AT&T Home | AT&T Labs, Inc.
Search Research


HOME

WHO WE ARE
About Us
Innovators
Our People
In the Community
Locations
Career Opportunities

WHAT WE DO
Research Areas
Projects
Software Tools
Licensing Portfolio
Patents

COLLABORATION
Universities
Industry

NEWS & INFORMATION
Tech View
Media Library
AT&T Labs News
Publications
Patents

Note: Inventor lists include only current AT&T Labs - Research Employees. For a full list of Inventors, please use the Patent Number Search at the United States Patent and Trademark Office Web site.



  2009     2008     2007     2006     2005     2004     2003     2002     2001     2000     1999     1998     1997     1996     1995     1994     1993     1989     1984     1983     1982     All  

Title Patent # Grant Date
Systems, devices, and methods for initiating recovery 7536595 05/19/2009
Optimal combination of sampled measurements 7536455 05/19/2009
Preload library for transparent file transformation 7536418 05/19/2009
Query-aware sampling of data streams 7536396 05/19/2009
Automated dialog system and method 7529667 05/05/2009
Methods of restoration in an ultra-long haul optical network 7526198 04/28/2009
System and method for mobile ad hoc network 7525933 04/28/2009
Method for using query templates in directory caches 7523091 04/21/2009
Method and system for remote call forwarding of telephone calls from an IP connection 7515905 04/07/2009
Digital encoding of labels for optical packet networks 7512342 03/31/2009
Consistent sampling for network traffic measurement 7508769 03/24/2009
System and method for generating orthogonal codes 7508749 03/24/2009
Systems and methods for classifying and representing gestural inputs 7505908 03/17/2009
Method for providing detection of fault location for defect calls in a VoIP network 7505567 03/17/2009
System and method for accessing and annotating electronic medical records using a multi-modal interface 7499862 03/03/2009
Interferometric method and apparatus for measuring optical signal quality in optical communications system 7499173 03/03/2009
Location aware voice calls and messages 7496978 03/03/2009
Timing of speech recognition over lossy transmission systems 7496503 02/24/2009
Forecasting a volume associated with an outcome based on analysis of text strings 7493233 02/17/2009
Method for allocating network resources 7492886 02/17/2009
Method and system for predicting understanding errors in a task classification system 7487088 02/03/2009
Using symbolic evaluation to validate models that have incomplete information 7487073 02/03/2009
Method and system for pattern matching having holistic twig joins 7483887 01/27/2009
Automated dialog system and method 7472060 12/30/2008
Method and system for providing automated audible backchannel responses 7469207 12/23/2008
Telecommunications network system and method 7469046 12/23/2008
Equalization of transmit diversity space-time coded signals 7469006 12/23/2008
Load balancing techniques for inter-domain traffic engineering 7467224 12/16/2008
Language-understanding training database action pair augmentation using bidirectional translation 7467081 12/16/2008
Polarization mode dispersion compensation 7466923 12/16/2008
System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion, of RF service bands within wavelength bands 7466919 12/16/2008
Wavelength allocation in regional access network with optical add-drop multiplexers 7466918 12/16/2008
Voice-messaging with attachments 7466803 12/16/2008
Protection against flooding of a server 7464410 12/09/2008
Combined channel coding and space-block coding in a multi-antenna arrangement 7463705 12/09/2008
Flexible bandwidth allocation in high-capacity grooming switches 7463641 12/09/2008
Multi-band hybrid SOA-raman amplifier for CWDM 7463412 12/09/2008
Broadband certified mail 7461254 12/02/2008
Method and system for preselection of suitable units for concatenative speech 7460997 12/02/2008
Method for enabling interoperability between data transmission systems conforming to IEEE 802.11 and HIPERLAN standards 7460501 12/02/2008
Multi-antenna/multi-receiver array diversity system 7457602 11/25/2008
Hybrid fiber twisted pair local loop network service architecture 7457284 11/25/2008
Method of using link adaptation and power control for streaming services in wireless networks 7454512 11/18/2008
System and method for analyzing communications 7454470 11/18/2008
System and method for large-scale data visualization 7454439 11/18/2008
Method and apparatus for window matching in delta compressors 7454431 11/18/2008
Method and system for pattern matching having holistic twig joins 7454415 11/18/2008
System and method for blending synthetic voices 7454348 11/18/2008
High-capacity packet-switched ring network 7454139 11/18/2008
Method and apparatus for voice mail notes 7453991 11/18/2008
System and method for estimating interference in a packet-based wireless network 7453861 11/18/2008
Inbound interference reduction in a broadband powerline system 7453353 11/18/2008
Method and apparatus for packet analysis in a network 7451214 11/11/2008
System and method for text translations and annotation in an instant messaging session 7451188 11/11/2008
Method of pattern searching 7451144 11/11/2008
System and method for compiling rules created by machine learning program 7451125 11/11/2008
System and method of spoken language understanding in a spoken dialog service 7451089 11/11/2008
System and method of handling problematic input during context-sensitive help for multi-modal dialog systems 7451088 11/11/2008
Interactive communication service account management system 7450927 11/11/2008
Method for user-aided network performance and connection quality reporting 7450908 11/11/2008
Fiber and wire communication system 7450850 11/11/2008
System for transparent node for WDM shared "virtual ring" networks 7450847 11/11/2008
Method for operating transparent node for WDM shared `virtual ring` networks 7450846 11/11/2008
Method and system for managing multiple networks over a set of ports 7450595 11/11/2008
Link selection schemes for avoiding channel contention 7450516 11/11/2008
Method for selecting restoration path in a mesh network 7450496 11/11/2008
System and method for encoding a signal using compressed sensor measurements 7450032 11/11/2008
System for intelligent home controller and home monitor 7447507 11/04/2008
Method, apparatus and system for cost effective optical transmission with fast Raman tilt transient control 7446932 11/04/2008
Method and apparatus for limiting reuse of domain name system response information 7444371 10/28/2008
Method of performing approximate substring indexing 7444326 10/28/2008
System and method to support networking functions for mobile hosts that access multiple networks 7441043 10/21/2008
Method and system for automatically detecting morphemes in a task classification system using lattices 7440897 10/21/2008
Automated dialog method with first and second thresholds for adapted dialog strategy 7440893 10/21/2008
Methods and apparatus for utilizing user software to communicate with network-resident services 7437481 10/14/2008
Apparatus and method for correlating synchronous and asynchronous data streams 7437397 10/14/2008
Methods and apparatus for detection of hierarchical heavy hitters 7437385 10/14/2008
Optical devices with multiple wafers containing planar optical waveguides 7437031 10/14/2008
Fast dynamic gain control in a bidirectionally-pumped Raman fiber amplifier 7436582 10/14/2008
System and method of using modular spoken-dialog components 7430510 09/30/2008
System and method of organizing data to facilitate access and streaming 7428547 09/23/2008
IP voice call surveillance through use of non-dedicated IP phone with signal alert provided to indicate content of incoming call prior to an answer as being a monitored call 7428233 09/23/2008
System for developing a dialog manager using modular spoken-dialog components 7421393 09/02/2008
E-coupon service for location-aware mobile commerce which determines whether to supply requested e-coupons based on the number of requests received in a processing cycle, and a threshold number of req 7418451 08/26/2008
Frequency domain decision feedback equalizer 7418035 08/26/2008
Method and apparatus for using histograms to product data summaries 7417954 08/26/2008
System, method and computer-readable medium for providing pattern matching 7415464 08/19/2008
Estimating optical transmission system penalties induced by polarization mode dispersion (PMD) 7414711 08/19/2008
Method for developing a dialog manager using modular spoken-dialog components 7412393 08/12/2008
Reducing time for annotating speech data to develop a dialog application 7412383 08/12/2008
Active user registry 7408920 08/05/2008
Proxy apparatus and method for streaming media information and for increasing the quality of stored media information 7406497 07/29/2008
WLAN having load balancing by access point admission/termination 7406319 07/29/2008
Method for providing voice-over-IP service 7406043 07/29/2008
Subscription-based priority interactive help services on the internet 7404009 07/22/2008
Method for dialog management 7403899 07/22/2008
WLAN having load balancing based on access point loading 7400901 07/15/2008
System and method for tracking the relative location of mobile stations belonging to a pre-defined group of mobile stations 7400892 07/15/2008
Systems and methods for generating weighted finite-state automata representing grammars 7398197 07/08/2008
Load balancing algorithms in non-blocking multistage packet switches 7397796 07/08/2008
Document expansion in speech retrieval 7395207 07/01/2008
Fiber access architecture capable of being seamlessly upgraded 7394984 07/01/2008
Coarticulation method for audio-visual text-to-speech synthesis 7392190 06/24/2008
System and method of coding sound signals using sound enhancement 7392180 06/24/2008
System and method for determining traffic conditions 7392130 06/24/2008
Graphical user interface graphics-based interpolated animation performance 7391420 06/24/2008
Arrangement for low cost path protection for optical communications networks 7389018 06/17/2008
Method and apparatus for efficient routing of variable traffic 7388842 06/17/2008
Location system and communication 7388464 06/17/2008
Apparatus and methods for providing translucent proxies in a communications network 7386631 06/10/2008
System and method for mobile automatic speech recognition 7386443 06/10/2008
Routing extensions for telecommunication network system and method 7386108 06/10/2008
System and method of epsilon removal of weighted automata and transducers 7383185 06/03/2008
Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation 7379432 05/27/2008
System and method of customizing animated entities for use in a multi-media communication application 7379066 05/27/2008
Integrated services director (ISD) overall architecture 7376142 05/20/2008
Method and apparatus of providing resource allocation and admission control support in a VPN 7376084 05/20/2008
Methods and systems for improving data transmission rates having adaptive protocols 7373417 05/13/2008
System and method of providing a spoken dialog interface to a website 7373300 05/13/2008
Text-to-scene conversion 7373292 05/13/2008
Method and system for employing underutilized communication channels as outbound gateways 7372850 05/13/2008
Selection of a signal input from an optical fiber member 7372554 05/13/2008
Methods and apparatus for rapid acoustic unit selection from a large speech corpus 7369994 05/06/2008
System and method for triphone-based unit selection for visual speech synthesis 7369992 05/06/2008
Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input 7369838 05/06/2008
Method and apparatus for routing data 7369542 05/06/2008
Clustered OFDM with channel estimation 7369487 05/06/2008
Method and system for aligning natural and synthetic video to speech synthesis 7366670 04/29/2008
System and method for processing speech files 7366665 04/29/2008
Method of generating a labeling guide for spoken dialog services 7366655 04/29/2008
Method and apparatus for transmitting high rate packet data over under-utilized virtual circuits 7366469 04/29/2008
Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch 7366417 04/29/2008
Method for distributing calls to a group of end points 7366173 04/29/2008
Loss tolerant transmission control protocol 7366132 04/29/2008
Network monitoring and disaster detection 7366104 04/29/2008
Computer readable medium for modifying an animation wire frame 7365749 04/29/2008
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides 7362932 04/22/2008
Phrase matching in documents having nested-structure arbitrary (document-specific) markup 7356528 04/08/2008
Automatic clustering of tokens from a corpus for grammar acquisition 7356462 04/08/2008
Method and apparatus for code division switching of communication signals by trunk coding 7356306 04/08/2008
Bidirectionally predicted pictures or video object planes for efficient and flexible video coding 7356081 04/08/2008
Method and apparatus for assigning communication nodes to CMTS cards 7353530 04/01/2008
System and method for representing compressed information 7353447 04/01/2008
Power efficiency in microprocessors using reduction of hamming distance between data value 7353411 04/01/2008
Secure in-band signaling method for mobility management crossing firewalls 7353290 04/01/2008
System and method of providing conversational visual prosody for talking heads 7353177 04/01/2008
Method and apparatus for capacity-efficient restoration in an optical communication system 7352966 04/01/2008
System and method of providing conversational visual prosody for talking heads 7349852 03/25/2008
CDMA to packet switching interface for code division switching in a terrestrial wireless system 7349375 03/25/2008
Network security device and method 7346783 03/18/2008
Frequency assignment for multi-cell IEEE 802.11 wireless networks 7346357 03/18/2008
Nonuniform oversampled filter banks for audio signal processing 7346137 03/18/2008
Multi-band hybrid SOA-raman amplifier for CWDM 7342714 03/11/2008
Method and apparatus for secure remote access to an internal web server 7334126 02/19/2008
Methods and systems for polarization mode dispersion compensation 7333728 02/19/2008
Systems and methods for assessing computer security 7328454 02/05/2008
Spoken language understanding that incorporates prior knowledge into boosting 7328146 02/05/2008
Forecasting outcomes based on analysis of text strings 7324918 01/29/2008
System and method for selectively transferring wireless caller location information 7324823 01/29/2008
Method and apparatus for segmenting a multi-media program based upon audio events 7319964 01/15/2008
System for transparent node for WDM shared "virtual ring" networks 7319817 01/15/2008
Method and system to calculate an approximate location of a mobile station in a recurrent route 7319413 01/15/2008
Synchronous transmission of data with network remote control 7317926 01/08/2008
Interaction modalities for multimedia delivery and presentation 7310811 12/18/2007
Method and apparatus for managing hierarchical collections of data 7310652 12/18/2007
Architecture and method for using IEEE 802.11-like wireless LAN system to emulate private land mobile radio system (PLMRS) radio service 7307963 12/11/2007
System and method for configuring voice synthesis 7305340 12/04/2007
Method for exchanging signaling messages in two phases 7305081 12/04/2007
Method for bandwidth management by resizing pipes 7301964 11/27/2007
Apparatus for size-dependent sampling for managing a data network 7299283 11/20/2007
Method for unidirectional and bidirectional label switched path setup in a label switched network 7298700 11/20/2007
Method and apparatus for delaying start of restoration of low priority services 7298695 11/20/2007
Method for improving web performance by adapting servers based on client cluster characterization 7296089 11/13/2007
Method and apparatus for windowing in entropy encoding 7296030 11/13/2007
System and method for automatic verification of the understandability of speech 7295982 11/13/2007
Method for building a natural language understanding model for a spoken dialog system 7295981 11/13/2007
Systems and methods for extracting meaning from multimodal inputs using finite-state devices 7295975 11/13/2007
Unsupervised speaker segmentation of multi-speaker speech data 7295970 11/13/2007
Optical/radio local access network 7295777 11/13/2007
Telecommunications network system and method 7295667 11/13/2007
Traffic matrix estimation method and apparatus 7293086 11/06/2007
Active labeling for spoken language understanding 7292982 11/06/2007
Active learning process for spoken dialog systems 7292976 11/06/2007
Method for increasing accuracy of measurement of mean polarization mode dispersion 7292322 11/06/2007
Multiple description coding communication system 7289565 10/30/2007
Method for performing gate coordination on a per-call basis 7289490 10/30/2007
Method and apparatus for a fixed wireless broadband access and wireless LAN integration 7289478 10/30/2007
Method of selecting receive antennas for MIMO systems 7283798 10/16/2007
Fiber and wire communication system 7283749 10/16/2007
Method, apparatus and system for minimally intrusive fiber identification 7283688 10/16/2007
Network segmentation method 7283484 10/16/2007
Systems and methods for monitoring speech data labelers 7280965 10/09/2007
Metropolitan networks based on fiber and free space access distribution system 7280757 10/09/2007
Fast dynamic gain control in cascaded Raman fiber amplifiers 7280271 10/09/2007
Mobile device server 7277693 10/02/2007
Fast dynamic gain control in cascaded Raman fiber amplifiers 7277221 10/02/2007
Distributed graph layout for sensor node networks 7275014 09/25/2007
Optical/radio local access network 7274877 09/25/2007
Network having space chattering control for maximizing call throughput during overload 7274780 09/25/2007
Method for performing segmented resource reservation 7274662 09/25/2007
System and method of ubiquitous language translation for wireless devices 7272377 09/18/2007
Graph algorithm for common neighborhood analysis 7269628 09/11/2007
Upstream bandwidth allocation for packet telephony in a shared-media packet-switched access network 7269159 09/11/2007
Automatic segmentation in speech synthesis 7266497 09/04/2007
Method for intelligent home controller and home monitor 7263370 08/28/2007
Method and apparatus for active reduction of speakerphone singing 7263184 08/28/2007
Systems and methods for generating markup-language based expressions from multi-modal and unimodal inputs 7257575 08/14/2007
Estimating optical transmission system penalties induced by polarization mode dispersion (PMD) 7256876 08/14/2007
Real-time addresses for direct mail using online directories 7254549 08/07/2007
Power allocation scheme for DMT-based modems employing simplex transmission 7254166 08/07/2007
Telecommunication network system and method in communication services using session initiation protocol 7251254 07/31/2007
Method for performing gate coordination on a per-call basis 7245610 07/17/2007
Scheme for routing circuits with dynamic self-adjusting link weights in a network 7242679 07/10/2007
Synthesis-based pre-selection of suitable units for concatenative speech 7233901 06/19/2007
Method and apparatus for performing packet loss or frame erasure concealment 7233897 06/19/2007
System and method for natural language generation 7231341 06/12/2007
Digitally-generated lighting for video conferencing applications 7231099 06/12/2007
Network access with delayed delivery 7231023 06/12/2007
Method and apparatus for communications traffic engineering 7230924 06/12/2007
System and method for determining traffic conditions 7228224 06/05/2007
Arrangement for low cost path protection for optical communications networks 7228027 06/05/2007
Method for reducing congestion in packet-switched networks 7227843 06/05/2007
System and method for accessing and annotating electronic medical records using multi-modal interface 7225131 05/29/2007
System and method for processing speech files 7225126 05/29/2007
Method and system for handwritten electronic messaging 7224991 05/29/2007
Method for secure remote backup 7222233 05/22/2007
Method and apparatus for personalization of a public multimedia communications terminal 7221936 05/22/2007
Method for fast network-aware clustering 7219160 05/15/2007
Method and system for pattern matching having holistic twig joins 7219091 05/15/2007
System and method for processing speech recognition results 7219058 05/15/2007
Systems and methods for generating an annotation guide 7219054 05/15/2007
System and method of pattern recognition in very high-dimensional space 7216076 05/08/2007
System for bandwidth extension of narrow-band speech 7216074 05/08/2007
Language-understanding systems employing machine translation component 7212964 05/01/2007
Voice-messaging with attachments 7212614 05/01/2007
Systems and methods for dynamic re-configurable speech recognition 7209880 04/24/2007
Frequency assignment for multi-cell IEEE 802.11 wireless networks 7206586 04/17/2007
Method for allocating network resources 7206397 04/17/2007
Methods and systems for polarization mode dispersion compensation 7203423 04/10/2007
Method for providing voice-over-IP service 7203166 04/10/2007
Packet-switched network topology tracking method and system 7200120 04/03/2007
Method and apparatus for reducing access delay in discontinuous transmission packet telephony systems 7197464 03/27/2007
System for handling frequently asked questions in a natural language dialog service 7197460 03/27/2007
Virtual private network 7197048 03/27/2007
Fast prefix matching of bounded strings 7191168 03/13/2007
Fiber and wire communication system 7190903 03/13/2007
Method for providing high connectivity communications over a packet-switched optical ring network using composite packets 7190899 03/13/2007
Ultra-wide bandwidth system and method for in-premises wireless networking 7187647 03/06/2007
Methods and systems for optimizing network traffic 7185104 02/27/2007
Method and apparatus for ranked join indices 7185012 02/27/2007
System and method for automated multimedia content indexing and retrieval 7184959 02/27/2007
Recognizing the numeric language in natural spoken dialogue 7181399 02/20/2007
Mobile device having network interface selection 7180876 02/20/2007
Method and system of monitoring the receipt of multicast traffic 7180856 02/20/2007
Method for selecting a restoration path in a mesh network 7180852 02/20/2007
System and method of handling problematic input during context-sensitive help for multi-modal dialog systems 7177816 02/13/2007
System and method of context-sensitive help for multi-modal dialog systems 7177815 02/13/2007
Network having bandwidth sharing 7177324 02/13/2007
Method and apparatus for a programming language having fully undoable, timed reactive instructions 7174481 02/06/2007
Fast authentication and access control method for mobile networking 7174456 02/06/2007
Method and apparatus for measuring frequency-resolved states of polarization of a working optical channel using polarization-scrambled heterodyning 7174107 02/06/2007
Speech recognition over lossy networks with rejection threshold 7171359 01/30/2007
Arrangement for low cost path protection for optical communications networks 7171070 01/30/2007
Method for dialog management 7167832 01/23/2007
Routing optimizations for telecommunications network system and method 7167554 01/23/2007
Method and apparatus for packet analysis in a network 7165100 01/16/2007
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides 7164826 01/16/2007
Enhanced call feature service 7164762 01/16/2007
Method and apparatus for QoS improvement with packet voice transmission over wireless LANs 7164672 01/16/2007
Shared bandwidth reservation in PL, ATM, FR and IP/MPLS networks 7164653 01/16/2007
Method for prevention of recursive loops between network elements 7159032 01/02/2007
Method and system for predicting problematic situations in a automated dialog 7158935 01/02/2007
Method for operating transparent node for WDM shared 7158722 01/02/2007
Multi-antenna/multi-receiver array diversity system 7155192 12/26/2006
Spoken language understanding that incorporates prior knowledge into boosting 7152029 12/19/2006
Method for performing lawfully-authorized electronic surveillance 7151772 12/19/2006
Method for content distribution in a network supporting a security protocol 7149803 12/12/2006
Bioacoustic control system, method and apparatus 7148879 12/12/2006
System and method of watermarking signal 7146503 12/05/2006
Automatic router configuration based on traffic and service level agreements 7145871 12/05/2006
Broadband coupler technique for electrical connection to power lines 7145440 12/05/2006
Fast dynamic gain control in an optical fiber amplifier 7142356 11/28/2006
System for dialog management 7139717 11/21/2006
System and method for providing remote automatic speech recognition and text to speech services via a packet network 7139715 11/21/2006
System and method for generating morphemes 7139698 11/21/2006
Method and apparatus for securely connecting a plurality of trust-group networks, a protected resource network and an untrusted network 7131141 10/31/2006
System and method for providing wireless services within a wireless local area network 7130612 10/31/2006
Method and system for predicting understanding errors in a task classification system 7127395 10/24/2006
System for mitigating the effects of fiber dispersion by separate detection of two transmitted sidebands 7127181 10/24/2006
Method and system for preselection of suitable units for concatenative speech 7124083 10/17/2006
System and method of coding sound signals using sound enhancement 7124078 10/17/2006
Home resource controller system 7123138 10/17/2006
Method and apparatus for controlling a network device 7120241 10/10/2006
FSOC/radio intrusion detection system 7119680 10/10/2006
Method and apparatus for performing packet loss or frame erasure concealment 7117156 10/03/2006
Coarticulation method for audio-visual text-to-speech synthesis 7117155 10/03/2006
Method and apparatus for network-assisted automatic confirmation of short message service delivery 7116997 10/03/2006
Document expansion in speech retrieval 7113910 09/26/2006
Method and apparatus for providing stochastic finite-state machine translation 7113903 09/26/2006
Method and system for aligning natural and synthetic video to speech synthesis 7110950 09/19/2006
Frame erasure concealment technique for a bitstream-based feature extractor 7110947 09/19/2006
Method and apparatus for managing voice call quality over packet networks 7110422 09/19/2006
Automatic wireless service activation in a private local wireless system 7103347 09/05/2006
Effective deployment of temporal noise shaping (TNS) filters 7099830 08/29/2006
Selective call waiting service 7099452 08/29/2006
Method for preventing overload condition in a circuit switched arrangement 7099329 08/29/2006
Fiber access architecture capable of being seamlessly upgraded 7095958 08/22/2006
Optical/radio local access network 7095957 08/22/2006
Technique for mitigation of polarization mode dispersion in fiber optic transmission links 7095912 08/22/2006
Internetworking driver with active control 7093030 08/15/2006
System and method of customizing animated entities for use in a multi-media communication application 7091976 08/15/2006
Inbound interference reduction in a broadband powerline system 7091849 08/15/2006
Subscription-based priority interactive help services on the internet 7089329 08/08/2006
Methods and systems for fast restoration in a mesh network of optical cross connects 7088676 08/08/2006
Method for task classification using morphemes 7085720 08/01/2006
System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion of RF service bands within wavelength bands 7085495 08/01/2006
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides 7085454 08/01/2006
Methods and apparatus for rapid acoustic unit selection from a large speech corpus 7082396 07/25/2006
System and method for delivering content in a unicast/multicast manner 7082142 07/25/2006
Method and apparatus for size-dependent sampling for managing a data network 7080136 07/18/2006
Apparatus for tracking connection of service provider customers via customer use patterns 7079634 07/18/2006
Advance TTS for facial animation 7076426 07/11/2006
Method for whitening spread spectrum codes 7075968 07/11/2006
Mobile host using a virtual single account client and server system for network access and management 7069433 06/27/2006
Method and apparatus for coordinating a change in service provider between a client and a server 7069344 06/27/2006
Systems and methods for extracting meaning from multimodal inputs using finite-state devices 7069215 06/27/2006
System and method for monitoring and controlling light propagation in an optical transmission system 7068940 06/27/2006
Fiber and wire communication system 7068937 06/27/2006
Method for preventing overload condition in a circuit switched arrangement 7068766 06/27/2006
Service selection in a shared access network using policy routing 7065578 06/20/2006
Enhancing speech intelligibility using variable-rate time-scale modification 7065485 06/20/2006
Method and device for efficient bandwidth management 7065048 06/20/2006
Layer-2 IP networking method and apparatus for mobile hosts 7058059 06/06/2006
System for intelligent home controller and home monitor 7054645 05/30/2006
Method and apparatus for active reduction of speakerphone singing 7054438 05/30/2006
Integrated services director (ISD) overall architecture 7054313 05/30/2006
Method and apparatus for a distributed firewall 7051365 05/23/2006
Graph algorithm for common neighborhood analysis 7051074 05/23/2006
Method and apparatus for performing packet loss or frame erasure concealment 7047190 05/16/2006
Channel efficiency based packet scheduling for interactive data in cellular networks 7046678 05/16/2006
Method and system for customer selected direct dialed voice-over-internet protocol (VOIP) 7046658 05/16/2006
Method and apparatus for providing a broadband raman amplifier with improved noise performance 7046427 05/16/2006
Fault location apparatus and procedures in CWDM business applications using wavelength selective OTDR 7042559 05/09/2006
Method and apparatus for personalization of a public multimedia communications terminal 7039411 05/02/2006
Control of optical connections in an optical network 7039009 05/02/2006
System and method for diagnosing computer system operational behavior 7035766 04/25/2006
Method and apparatus for enhanced security in a broadband telephony network 7035410 04/25/2006
Technique for mitigation of polarization mode dispersion in fiber optic transmission links 7031559 04/18/2006
Control of optical connections in an optical network 7031299 04/18/2006
Network access device having internetworking driver with active control 7028104 04/11/2006
Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch 7027733 04/11/2006
Method for exchanging signaling messages in two phases 7027581 04/11/2006
System and method for deriving traffic demands for a packet-switched network 7027448 04/11/2006
Method and apparatus for coordinating a change in service provider between a client and a server with identity based service access management 7027432 04/11/2006
Apparatus and methods for providing translucent proxies in a communications network 7016973 03/21/2006
Method and apparatus for reducing access delay in discontinuous transmission packet telephony systems 7016850 03/21/2006
System and method for text-to-speech processing in a portable device 7013282 03/14/2006
Synthesis-based pre-selection of suitable units for concatenative speech 7013278 03/14/2006
Method and apparatus for transmitting high speed data by spectral decomposition of the signaling space 7012953 03/14/2006
Method of performing approximate substring indexing 7010522 03/07/2006
Optical/radio local access network 7010227 03/07/2006
Broadband network with enterprise wireless communication method for residential and business environment 7010002 03/07/2006
Fiber-optic access network utilizing CATV technology in an efficient manner 7007297 02/28/2006
Method for intelligent home controller and home monitor 7006832 02/28/2006
Method of selecting receive antennas for MIMO systems 7006810 02/28/2006
High-speed two-way point-to-point transmission 7006804 02/28/2006
System for transparent node for WDM shared "virtual ring" networks 7006767 02/28/2006
Link state network having weighted control message processing 7006441 02/28/2006
Method for providing voice-over-IP service 7006436 02/28/2006
Method and system for predicting understanding errors in automated dialog systems 7003459 02/21/2006
Method and system for handwritten electronic messaging 7003308 02/21/2006
Broadband network with enterprise wireless communication system for residential and business environment 7002995 02/21/2006
Traffic matrix computation for packet networks 7002960 02/21/2006
Method and system to calculate an approximate location of a mobile station in a recurrent route 7002489 02/21/2006
Method for bandwidth management by resizing pipes 6999474 02/14/2006
Method and apparatus for an architecture and design of internet protocol quality of service provisioning 6999420 02/14/2006
System and method for providing access to multiple user accounts via a common password 6996718 02/07/2006
E-coupon service for location-aware mobile commerce which determines whether to supply requested e-coupons based on the number of requests received in a processing cycle... 6996579 02/07/2006
Distance measure for probability distribution function of mixture type 6993452 01/31/2006
Cable data service method 6993353 01/31/2006
Transmit and receive system for cable data service 6993050 01/31/2006
End-to-end prioritized data delivery on networks using IP over frame relay 6993043 01/31/2006
Routing extensions for telecommunication network system and method 6990185 01/24/2006
System and method for improving transport protocol performance in communication networks having lossy links 6990069 01/24/2006
Method for preventing overload condition in a circuit switched arrangement 6987848 01/17/2006
Method for providing a phone conversation recording service 6987841 01/17/2006
Metropolitan networks based on fiber and free space access distribution method 6983109 01/03/2006
Method for call forwarding without hairpinning and with split billing 6983040 01/03/2006
Method for selecting a restoration path in a mesh network 6982951 01/03/2006
Distributed evalulation of directory queries using a topology cache 6980985 12/27/2005
Point coordinated spread-spectrum wireless local area network 6980810 12/27/2005
Digitally-generated lighting for video conferencing applications 6980697 12/27/2005
Network having space chattering control for maximizing call throughput during overload 6977995 12/20/2005
System and method for tracking the relative location of mobile stations belonging to a pre-defined group of mobile stations 6975873 12/13/2005
Method for integrating wired and wireless packet/cell networking via ATM 6975634 12/13/2005
Method and apparatus for performing packet loss or Frame Erasure Concealment 6973425 12/06/2005
Metropolitan networks based on fiber and free space access distribution system 6973269 12/06/2005
Power allocation scheme for DMT-based modems employing simplex transmission 6973122 12/06/2005
Method And Apparatus For Provisioning and Monitoring Internet Protocol Quality Of Service 6973033 12/06/2005
Virtual Single Account Client And Server System For Network Access And Management 6971005 11/29/2005
Real Time Replay Service For Communications Network 6970712 11/29/2005
Method And Apparatus For Controlling A Network Device 6970696 11/29/2005
Smart Routers-Simple Optics: Network Architecture For IP Over WDM 6970451 11/29/2005
Method And Apparatus For Throttling And Distributing Data Transmissions Across A Network 6970425 11/29/2005
Methods And Systems For Fast Restoration In A Mesh Network Of Optical Cross 6970417 11/29/2005
Method And Device For Efficient Bandwidth Management 6967921 11/22/2005
Method And Apparatus For Performing Packet Loss Or Frame Erasure Concealment 6961697 11/01/2005
Technique For Mitigation Of Polarization Mode Dispersion In Fiber Optic Transmission Links 6961483 11/01/2005
Scalable Video Encoder/Decoder With Drift Control 6961383 11/01/2005
Data Compression Method And Apparatus 6959300 10/25/2005
Diversity Receiver For Mitigating The Effects Of Fiber Dispersion By Separate Detection Of Two Transmitted Sidebands 6959154 10/25/2005
Method For Content-Aware Redirection And Content Renaming 6954456 10/11/2005
Method And Apparatus For Performing Packet Loss Or Frame Erasure Concealment 6952668 10/04/2005
Employing Speech Models In Concatenative Speech Synthesis 6950798 09/27/2005
Probabilistic Model For Natural Language Generation 6947885 09/20/2005
Local information-based restoration arrangement 6947376 09/20/2005
Method And System For Predicting Problematic Dialog Situations In A Task Classification System 6941266 09/06/2005
Multifunction Interface Facility Connecting Wideband Multiple Access Subscriber Loops With Various Networks 6937595 08/30/2005
Apparatus And Method For Designing A Network 6934259 08/23/2005
Method And System For Identifying Representative Trends Using Sketches 6931400 08/16/2005
Methods And Apparatus For Communicating Information In A Supervised Learning System 6931383 08/16/2005
Method For Network-Aware Clustering Of Clients In A Network 6928485 08/09/2005
Methods And Systems For Improving Data Transmission Rates Having Adaptive Protocols 6925502 08/02/2005
Parallel Random Proxy Usage For Large Scale Web Access 6925461 08/02/2005
MAC Protocol For Optical Packet-Switched Ring Network 6925259 08/02/2005
Home Resource Controller System 6924739 08/02/2005
Call Tracker 6920208 07/19/2005
Method And Apparatus For Accomplishing Multiple Description Coding For Video 6920177 07/19/2005
Method For Establishing Call State Information Without Maintaining State Information At Gate Controllers 6915421 07/05/2005
System And Method For Counteracting Message Filtering 6915334 07/05/2005
Cache Invalidation Technique With Spurious Resource Change Indications 6912562 06/28/2005
Virtual Private Network 6912232 06/28/2005
Method For Transferring And Displaying Data Pages On A Data Network 6910073 06/21/2005
Method And System For Facilitating Call-Related Activities 6907118 06/14/2005
Method And System For Providing Communication Control Functionality At A Remotely Located Site Using A Distributed Feature Architecture 6907012 06/14/2005
Method For Using Query Templates In Directory Caches 6904433 06/07/2005
Method And System For Classifying Image Elements 6901169 05/31/2005
Method And Apparatus For Advanced Scheduling And Messaging System 6898569 05/24/2005
System For Bandwidth Extension Of Narrow-Band Speech 6895375 05/17/2005
Subscription-Based Priority Interactive Help Services On The Internet 6886045 04/26/2005
Hybrid Fiber Twisted Pair Local Loop Network Service Architecture 6885662 04/26/2005
Network Protocol Having Staggered Recovery 6885634 04/26/2005
Consistent sampling for network traffic measurement 6873600 03/29/2005
Power spectrum monitoring and management in a wavelength division multiplexed network 6871020 03/22/2005
Method for providing privacy by network address translation 6870845 03/22/2005
Systems and methods for extracting meaning from multimodal inputs using finite-state devices 6868383 03/15/2005
Voice-operated interface for DTMF-controlled systems 6868142 03/15/2005
Circuit to provide backup telephone service for a multiple service access system using a twisted pair 6868060 03/15/2005
Method and system for aligning natural and synthetic video to speech synthesis 6862569 03/01/2005
System and method for providing remote automatic speech recognition and text-to-speech services via a packet network 6856960 02/15/2005
Fast authentication and access control system for mobile networking 6856800 02/15/2005
Free Space Duplexed Optical Communication With Transmitter End Multiplexing And Receiver End Amplification 6856741 02/15/2005
Technique for mitigation of polarization mode dispersion in fiber optic transmission links 6856711 02/15/2005
Targeted advertising in a telephone dialing system 6856673 02/15/2005
Method For Generating Contiguous Cartograms 6853386 02/08/2005
Network Server Platform (NSP) For A Hybrid Coaxial/Twisted Pair Local Loop Network Service Architecture 6850533 02/01/2005
Traffic Management For Frame Relay Switched Data Service 6847611 01/25/2005
Startup Management System And Method For Rate-Based Flow And Congestion Control Within A Network 6839768 01/04/2005
Integration Of Talking Heads And Text-To-Speech Synthesizers For visual TTS 6839672 01/04/2005
Method And Apparatus For Setting User Communication Parameters Based On Voice Identification Of Users 6839410 01/04/2005
Method And Apparatus For Throttling Requests To A Server 6836785 12/28/2004
Methods And Apparatus For Detecting Heap Smashing 6832302 12/14/2004
System And Method Of Enhancing And Coding Speech 6832188 12/14/2004
Routing Optimizations For Telecommunications Network System And Method 6829346 12/07/2004
Network Having Space Chattering Control For Maximizing Call 6829338 12/07/2004
Methods And Systems For Fast Optimization Of Network Traffic 6829220 12/07/2004
Telecommunications Network System And Method 6826275 11/30/2004
Method For Preventing Overload Condition In A Circuit Switched Arrangement 6826273 11/30/2004
Nonlinear Transmission Line Integrated Circuit 6826208 11/30/2004
Secure Purchases Over A Computer 6823318 11/23/2004
Method For Allocating Network 6823059 11/23/2004
Protocol Extensions For Telecommunications Network 6822942 11/23/2004
Method And Apparatus For Providing A Broadband Raman Amplifier With Improved Noise Performance 6813067 11/02/2004
Map Simplification System 6812925 11/02/2004
Method Of Delivering An Audio Or Multimedia Greeting Containing Messages From A Group Of Contributing Users 6804806 10/12/2004
Method And Apparatus For Segmenting A Multi-Media Program Based Upon Audio Events 6801895 10/05/2004
Method and apparatus for load-sensitive routing of long-lived packet flows 6801502 10/05/2004
Hardware-Assisted Visibility-Ordering Algorithm 6801215 10/05/2004
Bitstream-based feature extraction method for a front-end speech recognizer 6792405 09/14/2004
Method and apparatus for modeling a web server 6789050 09/07/2004
Method and System for Transfer of Mobile Chat Sessions 6788949 09/07/2004
Optical/radio local access network 6788898 09/07/2004
Method for converting relational data into XML 6785673 08/31/2004
Method and apparatus for routing of best-effort and quality of service flows 6785260 08/31/2004
Method for bandwidth management by resizing pipes 6785233 08/31/2004
Method and system for delivering messages to both live recipients and recording systems 6782358 08/24/2004
Method for mapping call detail data into a database for quick retrieval 6782085 08/24/2004
Signaling/media separation for telecommunication network system and method 6778560 08/17/2004
PNNI-based multi-link shortest path Class-of Service routing technique 6778535 08/17/2004
Time-dependent messaging 6775690 08/10/2004
Speech recognition over lossy transmission systems 6775652 08/10/2004
Method and apparatus for active reduction of speakerphone singing 6771769 08/03/2004
Method and apparatus for delivering messages to a device 6771749 08/03/2004
Systems and methods for managing multiple communications 6768722 07/27/2004
System, method and apparatus for network service load and reliability management 6760775 07/06/2004
Linked call forwarding 6757704 06/29/2004
Method for performing gate coordination on a per-call basis 6757290 06/29/2004
IP Backbone Network Reliability and Performance Analysis Method and Apparatus 6754843 06/22/2004
Method and apparatus for dynamically displaying brand information in a user interface 6753887 06/22/2004
Method for monitoring and meeting customer bandwidth demand in operational IP data networks 6751664 06/15/2004
Flexible interchange of coded multimedia facilitating access and streaming 6751623 06/15/2004
Method and apparatus for improving end to end performance of a data network 6751608 06/15/2004
Method and system for predicting understanding errors in a task classification system 6751591 06/15/2004
Automatic clustering of tokens from a corpus for grammar acquisition 6751584 06/15/2004
Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input 6751441 06/15/2004
Fiber and wire communication system 6751417 06/15/2004
Four-port wavelength-selective crossbar switches (4WCS) using reciprocal WDM MUX-DEMUX and optical circulator combination 6751372 06/15/2004
Method for allocating network resources 6748070 06/08/2004
Method and apparatus for provisioning and monitoring internet protocol quality of service 6744767 06/01/2004
Method and apparatus for displaying and header scrolling a hierarchical data structure 6738787 05/18/2004
Multidimensional substring selectivity estimation using set hashing of cross-counts 6738762 05/18/2004
Free space duplexed optical communication with transmitter end multiplexing and receiver and amplification 6735356 05/11/2004
Free space optical communication link with diversity 6731878 05/04/2004
Method for preventing overload condition in a circuit switched arrangement 6731740 05/04/2004
Method and Apparatus for Transporting Private Line Traffic over an ATM Network 6728272 04/27/2004
System and method for automated multimedia content indexing and retrieval 6714909 03/30/2004
Routing over large clouds 6711152 03/23/2004
System and method for improving transport protocol performance in communication networks having lossy links 6711128 03/23/2004
Porting POSIX-conforming operating systems to Win32 API-conforming operating systems 6708194 03/16/2004
Method and system for testing subscriber loops using touchtone telephone signals 6707886 03/16/2004
Method and apparatus for the encapsulation of control information in a real-time data stream 6707819 03/16/2004
Method for Monitoring Service Availability and Maintaining Customer Bandwidth in a Connectionless (IP) Data Network 6704289 03/09/2004
Methods and apparatus for rapid acoustic unit selection from a large speech corpus 6701295 03/02/2004
Apparatus for Tracking Connection of Service Provider Customers via Customer Use Patterns 6700960 03/02/2004
System and method for generating orthogonal codes 6700864 03/02/2004
Method and apparatus for rapid acoustic unit selection from a large speech corpus 6697780 02/24/2004
Multiple input waveguide grating router for broadcast and multicast services 6697574 02/24/2004
Method for Designing a Network 6697334 02/24/2004
Method for establishing call state information without maintaining state information at gate controllers 6694429 02/17/2004
Method and apparatus for prepaid inbound call forwarding service 6694003 02/17/2004
Master system for accessing multiple telephony messaging systems 6693994 02/17/2004
Method and apparatus for cell scrolling a data structure 6690401 02/10/2004
Method and system for preselection of suitable units for concatenative speech 6684187 01/27/2004
Method and system for transmitting background audio during a telephone call 6683938 01/27/2004
Method for generating morphemes 6681206 01/20/2004
Method and apparatus for reducing near-end crosstalk (NEXT) in discrete multi-tone modulator/demodulators 6678316 01/13/2004
Predictive balanced multiple description coder for data compression 6665646 12/16/2003
Method and system for telephony and high speed data access on a broadband access network 6665299 12/16/2003
Coarticulation method for audio-visual text-to-speech synthesis 6662161 12/09/2003
Method and system for single-sideband optical signal generation and transmission 6661976 12/09/2003
Method and apparatus for personalization of a public multimedia communications terminal 6658254 12/02/2003
Method And Apparatus For Providing High Speed Services Using A Wireless Communications System 6657982 12/02/2003
Method and system for creating dynamic interfaces using a general control container 6654947 11/25/2003
Fiber/wired communication system 6654563 11/25/2003
Audio-visual selection process for the synthesis of photo-realistic talking-head animations 6654018 11/25/2003
Surfing friendly multicasting arrangement 6651089 11/18/2003
System and method for counteracting message filtering 6643686 11/04/2003
Automatic wireless service activation in a private local wireless system 6643504 11/04/2003
Timing recovery for DMT-based DSL modems 6643343 11/04/2003
Efficient precomputation of quality-of-service routes 6633544 10/14/2003
Information Access System And Method For Archiving Web Pages 6625624 09/02/2003
Methods And Systems For Dynamically Managing The Routing Of Information Over An Integrated Global Communication Network 6614765 09/02/2003
Wavelength-Cyclic Communication Network And Wavelength-Cyclic Add/Drop Modules 6614568 09/02/2003
Method And Device For Broadcasting Signals Over A Wavelength-Division Multiplexed Network 6607312 08/19/2003
Method For Preconnecting To A Server On A Network 6606645 08/12/2003
Method For Effective Indexing Of Partially Dynamic Documents 6606639 08/12/2003
Method For Converting Relational Data Into A Structured Document 6604100 08/05/2003
System And Method For Providing Remote Automatic Speech Recognition And Text To Speech Services Via A Packet Network 6604077 08/05/2003
Speech Enhancement With Gain Limitations Based On Speech Activity 6604071 08/05/2003
Flexible synchronization framework for multimedia streams 6602299 08/05/2003
Method For Dynamically Predicting Workflow Completion Times And Workflow Escalations 6601035 07/29/2003
Method And System For Recorded Word Concatenation 6601030 07/29/2003
Database Management System With A Multiple-Level Cache Arrangement 6598119 07/22/2003
Adaptive Modem Connection Lifetimes 6598082 07/22/2003
System And Method For Rewarding Telephone Callers Based On Call Information 6594639 07/15/2003
Systems And Methods For Optimizing Networks Of Weighted And Unweighted Directed Graphs 6587844 07/01/2003
Method For Providing A Compressed Rendition Of A Video Program In A Format Suitable For Electronic Searching And Retrieval 6581070 06/17/2003
Calling Assistance System And Method 6580790 06/17/2003
Method And Apparatus For Facilitating Intra-Premises Voice And Data Distribution Using Existing In-Place POTS Telephone-Lines 6580710 06/17/2003
Method For Cache Validation For Proxy Caches 6578113 06/10/2003
Method For Call Forwarding Without Hairpinning And With Split Billing 6577718 06/10/2003
Map-Based Directory System 6577714 06/10/2003
Long Reach Delivery Of Broadcast Services Using Broadband Optical Sources And Pre-Compensation Of Dispersion 6577422 06/10/2003
Fully Expanded Context-Dependent Networks For Speech Recognition 6574597 06/03/2003
Method For Simulating A Ring Back For A Call Between Parties In Different Communication Networks 6574335 06/03/2003
Network-Based Service For Recipient-Initiated Automatic Repair Of IP Multicast Sessions 6567929 05/20/2003
Method And System For Aligning Natural And Synthetic Video To Speech Synthesis 6567779 05/20/2003
System And Method For Multichannel Communication 6567418 05/13/2003
System, Apparatus And Method For Automatic Address Updating Of Outgoing And Incoming User Messages In A Communications Network 6564264 05/13/2003
Apparatus For Providing Redundant Services Path To Customer Premises Equipment 6556660 04/29/2003
Method And Apparatus For Accomplishing Multiple Description Coding For Video 6556624 04/29/2003
Architecture For Lightweight Signaling In ATM Networks 6556577 04/29/2003
Low-Latency Audio Interface For Packet Telephony 6556560 04/29/2003
Method Of Reducing Delays In Packet Data Transmission 6546009 04/08/2003
Speech enhancement with gain limitations based on speech activity 6542864 04/01/2003
Method For Analyzing Video 6542619 04/01/2003
Method and system for squashing a large data set 6539391 03/25/2003
Automatic Detection Of Non-Stationarity In Speech Signals 6535843 03/18/2003
Pseudo proxy server providing instant overflow capacity to computer networks 6526448 02/25/2003
Reducing calling costs for wireless phones using multiple mobile identification numbers 6526272 02/25/2003
Telephone voice-ringing using a transmitted voice announcement 6519326 02/11/2003
Multiple description lattice vector quantization 6516297 02/04/2003
Synthesis-based pre-selection of suitable units for concatenative speech 6505158 01/07/2003
Method of modeling objects to synthesize three-dimensional, photo-realistic animations 6504546 01/07/2003
Multiple uniquely distinguishable wireless handsets using a single mobile identification number 6501946 12/31/2002
Method and apparatus for remotely controlling telephone call-forwarding 6501838 12/31/2002
Message sender status monitor 6501834 12/31/2002
Network-based service for originator-initiated automatic repair of IP multicast sessions 6501763 12/31/2002
Method and apparatus for communication services on a network 6498797 12/24/2002
Optimizing Restoration Capacity 6498778 12/24/2002
Micro-machined tunable delay line 6498673 12/24/2002
Using smartcards to enable probabilistic transaction on an untrusted device 6496808 12/17/2002
Electronic watermarking in the compressed domain utilizing perceptual coding 6493457 12/10/2002
Update of web audio messages via audio user interface 6493434 12/10/2002
Method and system for providing low-cost high-speed data services 6493335 12/10/2002
Adaptive modem connection lifetimes 6487596 11/26/2002
System and method for allocating requests for objects and managing replicas of objects on a network 6484204 11/19/2002
Method for allocating network resources 6483912 11/19/2002
Method for Tracking Connection of Service Provider Customers via Customer Use Patterns 6483908 11/19/2002
Method for defining MPEP 4 animation parameters for an animation definition interface 6483513 11/19/2002
Method for inferring behavioral characteristics based on a large volume of data 6480844 11/12/2002
Apparatus and method for dialing out of local area telephone calls 6477247 11/05/2002
Generating hypermedia documents from transcriptions of television programs using parallel text alignment 6473778 10/29/2002
Transferring messages in networks made up of subnetworks with different namespaces 6473426 10/29/2002
Method and apparatus to provide enhanced directory assistance information in a communication network 6466910 10/15/2002
Optical transmission system and method using an optical carrier drop/add transceiver 6466342 10/15/2002
Intermittent node resolution for voice and data communication system 6459692 10/01/2002
Systems and methods for determinizing and minimizing a finite state transducer for pattern recognition 6456971 09/24/2002
Method for placing a call intended for an enhanced network user on hold while the enhanced network user is unavailable to take the call using a distributed feature architecture 6456711 09/24/2002
Two stage S--Random interleaver 6453442 09/17/2002
Flash-cut of speech processing features in a telephone call 6453043 09/17/2002
Fair queuing system with adaptive bandwidth redistribution 6452933 09/17/2002
System and method for creation and conversion of electronic mail messages for delivery to telephone recipients 6449343 09/10/2002
Method and apparatus for providing neighborhood cordless services 6445911 09/03/2002
System and method that provides specialized processing of communications based on automatically generated identifiers 6445783 09/03/2002
Micro-machine polarization-state controller 6445485 09/03/2002
Messaging system with application-defined states 6442546 08/27/2002
Method for transferring money 6439456 08/27/2002
Declarative message addressing 6438608 08/20/2002
Method and apparatus for managing congestion within an internetwork using window adaptation 6438101 08/20/2002
Method for effective indexing of partially dynamic documents 6434573 08/13/2002
Method and apparatus for network paging 6434383 08/13/2002
Method and apparatus for displaying and header scrolling a hierarchical data structure 6430574 08/06/2002
Generalized orthogonal designs for space-time codes for wireless communication 6430231 08/06/2002
Mirror control of micro-electro-mechanical optical cross connect switch 6427038 07/30/2002
Method and apparatus for querying a cube forest data structure 6424967 07/23/2002
Integrated services director (ISD) overall architecture 6424646 07/23/2002
High Efficiency Closed Loop Feed Forward Amplifier 6424215 07/23/2002
Method For Building Linguistic Models From A Corpus 6415248 07/02/2002
Method and apparatus to enhance a multicast information stream in a communication network 6412011 06/25/2002
Mobility support services using mobility aware access networks 6407988 08/18/2002
Multimedia search apparatus and method for searching multimedia content using speaker detection by audio data 6405166 06/11/2002
Telecommunications network system and method 6404878 06/11/2002
Control of broadband voice and data communication over a low quality noisy transmission media 6404822 06/11/2002
Method and apparatus for substring selectivity estimation 6401088 06/04/2002
Method and apparatus for sector based resource allocation in a broadhand wireless communications system 6400697 06/04/2002
Method and apparatus for providing intelligent network services 6397255 05/28/2002
System and method for storage media group parity protection 6393516 05/21/2002
Broadband switch/coupler 6388539 05/14/2002
Network server platform/facilities management platform caching server 6385693 05/07/2002
Method and system for allowing access to traditional voice mail and interactive voice response systems over internet-like networks 6385202 05/08/2002
A Method and System for Dynamically Triggering Flow-Based Quality of Service Shortcuts through a Router 6385170 05/07/2002
Passive optical network using a fabry-perot laser as a multiwavelength source 6381047 04/30/2002
Method and apparatus for displaying and tree scrolling a hierarchical data structure 6380947 04/30/2002
Indexing multimedia communications 6377995 04/23/2002
System and apparatus for recognizing speech 6374212 04/16/2002
User proactive call handling 6374102 04/16/2002
Method of clustering electronic documents in response to a search query 6363379 03/26/2002
Complete packet discarding 6363069 03/26/2002
Hybrid fiber twisted pair local loop network service architecture 6359881 03/19/2002
Apparatus and method for selecting communication modes 6356533 03/12/2002
System and method for multipoint-to-multipoint multicasting 6353596 03/05/2002
Method and apparatus for asynchronous version advancement in a three version database 6351753 02/26/2002
Bi-directional optical transmission system 6339487 01/15/2002
Error resilient transcoding for video over wireless channels 6339450 01/15/2002
Method for providing more informative results in response to a search of electronic documents 6338058 01/08/2002
Method and apparatus for loading data into a cube forest data structure 6334125 12/25/2001
Method and apparatus for watermarking digital bitstreams 6330672 12/18/2001
Method and apparatus for improving end to end performance of a data network 6330561 12/11/2001
Method and apparatus for speaker identification using mixture discriminant analysis to develop speaker models 6330536 12/11/2001
Signal dependent speech modifications 6324501 11/27/2001
Method for exchanging signaling messages in two phases 6324279 11/27/2001
Method and system for transferring digital data calls between different destinations 6320952 11/20/2001
Methods and apparatus for providing improved quality of packet transmission in applications such as internet telephony 6320875 11/20/2001
Multimedia search apparatus and method for searching multimedia content using speaker detection by audio data 6317710 11/13/2001
Automatic clustering of tokens from a corpus for grammar acquisition 6317707 11/13/2001
Interaction modalities for multimedia delivery and presentation using nodes 6317131 11/13/2001
Method and apparatus for smoothing and multiplexing video data flows 6310857 10/30/2001
System and apparatus for customizing a computer animation wireframe 6304264 10/16/2001
Low-latency buffering for packet telephony 6301258 10/09/2001
Porting POSIX-conforming operating systems to Win32 API-conforming operating systems 6292820 09/18/2001
System and method for processing object-based audiovisual information 6292805 09/18/2001
System and method for storage media group parity protection 6289415 09/11/2001
Apparatus and method for a bookmarking system 6289346 09/11/2001
Method and apparatus for remotely controlling telephone call-forwarding 6285750 09/04/2001
Method and system for reducing multipath fading in bent-pipe satellite communications systems 6282179 08/28/2001
Method and apparatus for rewarding groups of communication service users 6273816 08/14/2001
Simultaneous wavelength-division multiplexing and broadcast transmission system 6271947 08/07/2001
Method and apparatus for compressing a sequence of information-bearing frames having at least two media 6271892 08/07/2001
Method and apparatus to provide enhanced directory assistance information in a communication network 6269337 07/31/2001
Network server platform for a hybrid fiber twisted pair local loop network service architecture 6269101 07/31/2001
Method and apparatus for supporting compressed video with explicit rate congestion control 6269078 07/31/2001
Method and apparatus for generating deterministic approximate weighted finite-state automata 6266634 07/24/2001
Dimensioning Bandwidth and Connection Adminission Control for Elastic Traffic in High-speed Communication Networks 6266322 07/24/2001
Method and Apparatus for Simulating Central Queue for Distributing Arrangement of Automatic Call Distributors 6263065 07/17/2001
System and method for provisioning an extra line on demand and for selectively connecting calls with a plurality of devices 6263063 07/17/2001
Call Completion Of Video Telephone/Teleconference Call As Packet Voice Call 6262978 07/17/2001
Method and System For A Unicast Endpoint Client to Access A Multicast Internet Protocol (IP) Session 6259701 07/10/2001
Method and apparatus for compliance checking in a trust management system 6256734 07/03/2001
System And Method For Allocating Requests For Objects And Managing Replicas Of Objects On A Network 6256675 07/03/2001
Network-based traffic congestion notification service 6253146 06/26/2001
Assigning and processing states and arcs of a speech recognition model in parallel processors 6249761 06/19/2001
Method and apparatus for network paging 6249675 06/19/2001
Semiconductor optical amplifier with adjustable gain 6249373 06/19/2001
User barge-in enablement in large vocabulary speech recognition systems 6246986 06/12/2001
Systems and methods for determinization and minimization a finite state transducer for speech recognition 6243679 06/05/2001
Method and apparatus for telephone data network access 6243445 06/05/2001
Architecture for lightweight signaling in ATM networks 6243387 06/05/2001
Method for reducing perceived delay between a time data is requested and a time data is available for display 6240447 05/29/2001
Method and apparatus for speaker identification using mixture discriminant analysis to develop speaker models 6233555 05/15/2001
Method and apparatus for language translation 6233544 05/15/2001
Method and system for delivering messages to both live recipients and recording systems 6233319 05/15/2001
Methods and apparatus for providing improved quality of packet transmission in applications such as internet telephony 6233249 05/15/2001
Method and apparatus to provide enhanced speech recognition in a communication network 6229881 05/08/2001
Network server platform for a hybrid fiber twisted pair local loop network service architecture 6229810 05/08/2001
Statistical Call Admission Control 6222824 04/24/2001
Fault-Tolerant Storage System 6219800 04/17/2001
Coarse Indexes for a Data Warehouse 6216125 04/10/2001
Declarative Message Addressing 6212552 04/03/2001
Method And Apparatus For On-Hold Switching 6208729 03/27/2001
System And Method For Automated Emergency Call Breakthrough 6208726 03/27/2001
Method And Apparatus For Transferring Money Via A Telephone Call 6206283 03/27/2001
Method And Apparatus For Speech Recognition Using Second Order Statistics And Linear Estimation Of Cepstral Coefficient 6202047 03/13/2001
Adaptive Linear Amplifier Without Output Power Loss 6198346 03/06/2001
Method And Apparatus For Automatic Construction Of Hierarchical Transduction Models For Language Translation 6195631 02/27/2001
Startup management system and method for networks 6192406 02/20/2001
Method And Apparatus For Adaptive Monitor And Support System 6192403 02/20/2001
Method and apparatus for generating sematically consistent inputs to a dialog manager 6192110 02/20/2001
Method and system for delivery of e-mail and alerting messages 6185603 02/06/2001
Modular approach to speech enhancement with an application to speech coding 6182033 01/30/2001
Method for a unicast endpoint client to access a multicast internet protocol (IP) session and to serve as a redistributor of such session 6181697 01/30/2001
Flexible synchronization framework for multimedia streams having inserted time stamp 6177928 01/23/2001
System and method for providing dynamic three-dimensional multi-user virtual spaces in synchrony with hypertext browsing 6175842 01/16/2001
Priority call on busy 6175621 01/16/2001
Method and system for performing concatenative speech synthesis using half-phonemes 6173263 01/09/2001
Grammar fragment acquisition using syntactic and semantic clustering 6173261 01/09/2001
Customer group billing 6173046 01/09/2001
Method of clustering electronic documents in response to a search query 6167397 12/26/2000
Telecommunications network system and method 6160883 12/12/2000
Method and apparatus for converting an analog signal to a digital signal 6160505 12/12/2000
Method for defining animation parameters for an animation definition interface 6154222 11/28/2000
Simultaneous wavelength-division multiplexing and broadcast transmission system 6147784 11/14/2000
Method and apparatus for reducing near-end crosstalk (NEXT) in discrete multi-tone modulator/demodulators 6144695 11/07/2000
Method and system for remote call forwarding of telephone calls from cellular phone 6141545 10/31/2000
Method for managing multicast addresses for transmitting and receiving multimedia conferencing information on an internet protocol (IP) network implemented over an ATM network 6138144 10/24/2000
Interface for a voice-activated connection system 6138100 10/24/2000
Statistical database correction of alphanumeric account numbers for speech recognition and touch-tone recognition 6137863 10/24/2000
Method for using region-sets to focus searches in hierarchical structures 6134553 10/17/2000
Apparatus and method for dialing out of local area telephone calls 6134319 10/17/2000
Load balancing based on queue length, in a network of processor stations 6128642 10/03/2000
Architecture for lightweight signaling in ATM networks 6128305 10/03/2000
Combined array processing and space-time coding 6127971 10/03/2000
Computer system having a plurality of resources and utilizing a selection mechanism to select the resources based upon historical loading 6125394 09/26/2000
Method and apparatus for voice interaction over a network using parameterized interaction definitions 6125376 09/26/2000
Method and apparatus for discriminative utterance verification using multiple confidence measures 6125345 09/26/2000
High dynamic range free-space optical communication receiver 6122084 09/19/2000
Robust multi-modal method for recognizing objects 6118887 09/12/2000
Method and apparatus for data transmission using multiple transmit antennas 6115427 09/05/2000
Coarticulation method for audio-visual text-to-speech synthesis 6112177 08/29/2000
Wideband transmission through wire 6111895 08/29/2000
Integrated proximity detector for antennas 6111503 08/29/2000
Method for reduction of phase noise in microwave voltage-controlled oscillators 6107892 08/22/2000
Methods and apparatus for gathering and processing billing information for internet telephony 6104704 08/15/2000
Method for automatically providing a compressed rendition of a video program in a format suitable for electronic searching and retrieval 6098082 08/01/2000
Optical layer quasi-centralized restoration 6097696 08/01/2000
Intelligent RF combiner 6097266 08/01/2000
Mobile host roaming ATM virtual circuit rerouting method and apparatus 6094424 07/25/2000
Decoding for generalized orthogonal designs for space-time codes for wireless communication 6088408 07/11/2000
Method and system for delivering a voice message via an alias e-mail address 6085231 07/04/2000
Verbal, Fully Automatic Dictionary Updates By End-Users Of Speech Synthesis And Recognition Systems 6078885 06/20/2000
Security Access System 6075861 06/13/2000
Methods And Apparatus For Providing Improved Quality Of Packet Transmission In Applications Such As Internet Telephony 6075796 06/13/2000
Method for improving the results of a search in a structured database 6073130 06/06/2000
Method And Apparatus For Generating Deterministic Approximate Weighted Finite-State Automata 6073098 06/06/2000
CDMA Mobile Station Wireless Transmission Power Management With Adaptive Scheduling Priorities Based On Battery Power Level 6072784 06/06/2000
Method for providing more informative results in response to a search of electronic documents 6070157 05/30/2000
Method and apparatus for providing high speed services using a wireless communications system 6069885 05/30/2000
Method for Designing SONET Ring Networks Suitable for Local Access 6061335 05/09/2002
Wideband communication system for the home 6061326 05/09/2000
Telephone billing with summary information 6058170 05/02/2000
Method and apparatus for paging alternate users 6057782 05/02/2000
Method and apparatus for analyzing co-evolving time sequences 6055491 04/25/2000
Network server platform telephone directory white-yellow page services 6052439 04/18/2000
System and method for performing switching in multipoint-to-multipoint multicasting 6049546 04/11/2000
Sender-paid electronic messaging 6047272 04/04/2000
Backlighting scheme for a multimedia terminal keypad 6046730 04/04/2000
Network server platform for Internet JAVA server and video application server 6044403 03/28/2000
Methods and apparatus object-oriented rule-based dialogue management 6044347 03/28/2000
Selection of superwords based on criteria relevant to both speech recognition and understanding 6044337 03/28/2000
Laptop computer with integrated telephone 6035214 03/07/2000
Method and apparatus for compiling context-dependent rewrite rules and input strings 6032111 02/29/2000
Knowledge-based moderator for electronic mail help lists 6026396 02/15/2000
Cost-based maintenance of materialized views 6026390 02/15/2000
Calculation and visualization of tabular data 6023280 02/08/2000
Method and apparatus for dynamic data transfer on a web page 6021426 02/01/2000
Automatic generation of superwords 6021384 02/01/2000
Flash-cut of speech processing features in a telephone call 6021194 02/01/2000
Method and system for providing an analog voice-only endpoint with pseudo multimedia service 6020915 02/01/2000
Voice dialing system 6018568 02/25/2000
Lottery Method And Apparatus Having A Tiered Prize Scheme 6016338 01/18/2000
Article Comprising A Photostrictive Switching Element 6014477 01/11/2000
Method for managing multicast addresses for transmitting and receiving multimedia conferencing information on an internet protocol (IP) network 6011782 01/04/2000
System and method for multirecord compression in a relational database 6006232 12/21/1999
System and method for constructing block ciphers 6005944 12/21/1999
Method for generating photo-realistic animated characters 5995119 11/30/1999
Universal telecommunications services account 5991380 11/23/1999
Method of providing seamless cross-service connectivity in telecommunications network 5987508 11/16/1999
Method of calculating tuples for data cubes 5987467 11/16/1999
Method and means for detecting people in image sequences 5987154 11/16/1999
Apparatus and methods for sharing idle workstations 5978829 11/02/1999
System and method for improving transport protocol performance in communication networks having lossy links 5974028 10/26/1999
Method for using region-sets to focus searches in hierarchical structures 5970489 10/19/1999
System and apparatus for customizing a computer animation wireframe 5969721 10/19/1999
Method And System For Reducing Interbeam Interference And Multipath Fading In Bent-Pipe Satellite Communications Systems 5966371 10/12/1999
System and Method For Monitoring Information Flow and Performing Data Collection 5964839 10/12/1999
Current control for an analog optical link 5963570 10/05/1999
System and method of recognizing an acoustic environment to adapt a set of based recognition models to the current acoustic environment for subsequent speech recognition 5960397 09/28/1999
Network Apparatus And Method To Provide Compressed Digital Video Over Mini-Fiber Nodes 5959658 09/28/1999
Method and apparatus for restricting access to private information in domain name systems by filtering information 5958052 09/28/1999
Method for effective indexing of partially dynamic documents 5956722 09/21/1999
Strudel: A Web Site Management System 5956720 09/21/1999
Method and apparatus for speech translation with unrecognized segments 5956668 09/21/1999
Passwordless Secure And Efficient Remote Data Update 5956402 09/21/1999
Method and apparatus for sharing a web page 5956027 09/21/1999
Personal Telephone Agent 5953393 09/14/1999
Retrieval System and Method 5950189 09/07/1999
Method for fair allocation of bandwidth 5946324 08/31/1999
Transferring messages in networks made up of subnetworks with different namespaces 5940394 08/17/1999
Transmission of CDMA Signals Over an Analog Optical Link 5936754 08/10/1999
Method for Reducing The Delay Between The Time A Data Page Is Requested And The Time The Data Page Is Displayed 5931904 08/03/1999
Combining frequency warping and spectral shaping in HMM based speech recognition 5930753 07/27/1999
Communications Addressing System 5930479 07/27/1999
Communications System and Method of Operation For Electronic Messaging Using Structured Response Objects and Virtual Mailboxes 5930471 07/27/1999
Frequency channel and time slot assignments in broadband access networks 5920571 07/06/1999
Disambiguation of alphabetic characters in an automated call processing environment 5917890 06/29/1999
Telephone line aggregated billing 5915006 06/22/1999
System and method for controlling and monitoring communication between customers and customer service representatives 5914951 06/22/1999
Speaker Identification With User-Selected Password Pharases 5913192 06/15/1999
Method and Apparatus for Providing an Alternate Telecommunications Network 5912963 06/15/1999
A Knowledge-Based Moderator For Electronic Mail Help Lists 5909679 06/01/1999
System and method for constructing a cryptographic pseudo random bit generator 5909494 06/01/1999
Method of Transferring Connection Management Information in World Wide Web requests and responses 5905872 05/18/1999
Method And System For Using Materialized Views to Evaluate Queries Involving Aggregation 5897632 04/27/1999
Foot-Operated Keyboard Device 5889510 03/30/1999
System and Method For Monitoring Information Flow and Performing Data Collection 5878384 03/02/1999
Resource Sharing for Book-Ahead and Instantaneous-Request Calls 5878026 03/02/1999
Method For Communicating Audiovisual Programs Over A Communication Network 5874986 02/23/1999
Method for determining and reporting a level of network activity on a communications network using a routing analyzer and advisor 5870557 02/09/1999
System for Converter for Providing Downstream Second FDM Signals Over Access Path and Upstream FDM Signals Sent to Central Office over the Second Path 5864672 01/26/1999
Multi-Modal System for Locating Objects in Images 5864630 01/26/1999
Method and Apparatus For Integrated Traffic Shaping in a Packet-Switched Network 5864540 01/26/1999
Querying And Navigating Changes In Web Repositories 5860071 01/12/1999
Automated Meaningful Phrase Clustering 5860063 01/12/1999
Method and apparatus for applying multiple speech processing features to a telephone call 5859908 01/12/1999
A URL Rewriting Pseudo Proxy Server 5835718 11/10/1998
Multimedia networked system detecting congestion by monitoring buffers' threshold and compensating by reducing video transmittal rate then reducing audio playback rate 5822537 10/13/1998
Adaptive decision directed speech recognition bias equalization method and apparatus 5812972 09/22/1998
Method and system for performing speech recognition 5806022 09/08/1998
Adaptive channel allocation system for communication network 5805599 09/08/1998
Beam steering and tracking of laser communication links by dual-quadrant tracker and photodiode assembly 5790291 08/04/1998
Inter-cache protocol for improved WEB performance 5787470 07/28/1998
Method and apparatus for recording and indexing an audio and multimedia conference 5710591 01/20/1998
Automated call router system and method 5675707 10/07/1997
Speech recognition employing key word modeling and non-key word modeling 5649057 07/15/1997
System for providing personalized telephone calling features 5544229 08/06/1996
Speech recognition employing key word modeling and non-key word modeling 5509104 04/16/1996
Apparatus for matching colors in image signals 5459530 10/17/1995
Personal communicator having orientable video imaging element 5414444 05/09/1995
System for providing personalized telephone calling features 5384831 01/24/1995
Automatic speech recognizer 5329608 07/12/1994
System for providing personalized telephone calling features 5222125 06/22/1993
Endpoint detector 4821325 04/11/1989
Method and apparatus for generating speech pattern templates 4454586 06/12/1984
Word recognizer 4400828 08/23/1983
Spoken word controlled automatic dialer 4348550 09/07/1982