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At & t Corp patents

Recent patent applications related to At & t Corp. At & t Corp is listed as an Agent/Assignee. Note: At & t Corp may have other listings under different names/spellings. We're not affiliated with At & t Corp, we're just tracking patents.

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | At & t Corp-related inventors




Date At & t Corp patents (updated weekly) - BOOKMARK this page
01/10/13Method and providing access of network based radio frequency identification information
08/11/11Operating voice activity detection/silence suppression system
02/03/11Transient control solution for optical networks
08/05/10System and tracking individuals on a data network using communities of interest
09/19/13Method and data transmission using multiple transmit antennas
08/29/13Integration of home entertainment devices with a software client for telephony
08/29/13Method and staggering internet protocol teleconferencing calls
08/15/13Method of providing voice over ip at predefined qos levels
07/25/13Method and internet protocol television media content sharing
06/20/13Method and providing an audible calling party identification for a call waiting service
05/16/13Network security device and method
05/02/13Interference suppressing ofdm system for wireless communications
04/25/13Method and determining a direct measure of quality in a packet-switched network
04/18/13Method and re-routing calls in a packet network during failures
04/18/13Method and enabling phone number dialing using email addresses
04/18/13Method and sending alerts to internet protocol phones
04/18/13Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms
04/18/13Ofdm communication system and method having a reduced peak-to-average power ratio
04/18/13Method and ubiquitous access to dialing plans for enterprise networks
04/18/13Systems and methods for monitoring voice service feature failures in a telecommunication network
04/11/13Method and providing converged services
04/11/13Session initiation protocol (sip) message incorporating a multi-purpose internet mail extension (mime) media type for describing the content and format of information included in the sip message
04/04/13System and semi-supervised learning for spoken language understanding using semantic role labeling
01/31/13Method and providing signature based predictive maintenance in communication networks
01/10/13Method and scalable virtual private network multicasting
01/10/13Method for providing local and toll services with lnp, and toll-free services to a calling party which originates the call from an ip location connected to a sip-enabled ip network
01/10/13Voice data integrated multiaccess by self-reservation and contention algorithm
01/10/13Method and providing access and egress uniform resource identifiers for routing
01/10/13Method and re-originating calls
01/10/13High-capacity packet-switched ring network
01/10/13Method and system for providing communication control functionality at a remotely located site using a distributed feature architecture
01/10/13Method and self-learning of call routing information
01/10/13Methods for identifying and recovering non-revenue generating network circuits established outside of the united states
01/10/13Method and using tag topology
01/10/13Method for content-aware redirection and content renaming
01/10/13Database application security
01/03/13Method and providing high security video session
01/03/13Method and detecting service disruptions in a packet network
01/03/13Method and enabling communications assistance for law enforcement act services
01/03/13Method and retrieving all voicemail messages at the same time
01/03/13Method and providing shared services
01/03/13Method and providing virtual closed circuit television
12/27/12Method and evaluating component costs in a communication network
12/27/12Method and layering software agents in a distributed computing system
12/27/12Method for secure remote backup
12/20/12Method and providing end-to-end call completion status
12/20/12Method and managing packet congestion
12/20/12System and providing multi-media services to communication devices over a communications network
12/13/12Method and suppressing duplicate alarms
12/13/12Optical ring network architecture
12/13/12Method and enabling multiple optical line termination devices to share a feeder fiber
12/06/12Method and code division switching
12/06/12Method and providing transaction data in a packet network
11/29/12Method and providing disaster recovery using network peering arrangements
11/29/12Router having dual propagation paths for packets
11/22/12Location system and communication system
11/22/12Systems and methods for determining the n-best strings
11/22/12Systems and methods for termination of session initiation protocol
11/08/12Method and enabling multiple passive optical networks to share one or more sources
11/08/12Method and random access of voice mail messages
10/18/12Method and analyzing proposed service features in a communication network
09/13/12Method and providing voice control for accessing teleconference services
09/13/12Performance testing of echo cancellers using a white noise test signal
09/13/12Method and performing packet loss or frame erasure concealment
08/30/12System and testing automated provisioning and maintenance of operations support systems
Patent Packs
08/30/12Customized caller id based upon called party number
08/23/12Method and voip roaming
02/09/12System and event driven publish-subscribe communications
01/12/12Method of using link adaptation and power control for streaming services in wireless networks
08/04/11Method and system for execution monitor-based trusted computing
07/21/11Method for defining animation parameters for an animation definition interface
07/21/11System and providing a natural language interface to a database
07/14/11Point-to-multipoint connections for data delivery
07/14/11System and building emotional machines
07/14/11System and lattice-based search for spoken utterance retrieval
03/03/11Method for increasing accuracy of measurement of mean polarization mode dispersion
02/24/11Meta-data indexing for xpath location steps
02/10/11Secure open-air communication system utilizing multi-channel decoyed transmission
01/06/11Method for packet-switching interface for code division switching in a terrestrial wireless system
12/09/10Method of detecting potential phishing by analyzing universal resource locators
Patent Packs
10/14/10Network aware forward caching
09/23/10Providing called number characteristics to click-to-dial customers
09/09/10Method and system of monitoring the receipt of multicast traffic
08/26/10Systems and methods for capacity planning using classified traffic
08/19/10System and compressing internet protocol rounting tables
08/05/10System and improving cellular telephone user experience
07/01/10System and indexing voice mail messages by speaker
07/01/10Text-to-scene conversion
06/24/10Method and system for classifying image elements
06/24/10System and inferring wireless trajectories in a cellular telephone network
06/24/10Systems and methods for determining the location of a request on a content delivery network
06/24/10System and obtaining content from a content delivery network
06/17/10System and testing user connections in an internet protocol television system
06/17/10Interworking oam between ethernet and atm/frame relay networks
06/17/10System and adapting mobile applications
06/17/10System and anycast transport optimization
06/10/10System and assigning requests in a content distribution network
06/10/10System and content validation
06/10/10Redirection of multimedia content between receiver devices associated with a user
06/10/10Flexible application classification
06/10/10System and analyzing data traffic
06/10/10System and verifying deployment of an internet protocol television video on demand asset
06/03/10Method for increasing accuracy of measurement of mean polarization mode dispersion
06/03/10System and method to guide active participation in peer-to-peer systems with passive monitoring environment
06/03/10Microprocessors with improved power efficiency
05/27/10Method and system for content distribution network performance and quality measurement
05/20/10Systems and methods for directing content requests to servers
05/20/10Interdomain network aware peer-to-peer protocol
05/20/10System and bridging communication services between virtual worlds and the real world
05/13/10System and selectively caching hot content in a content delivery system
Social Network Patent Pack
05/13/10Hybrid unicast/anycast content distribution network system
05/06/10Worklist integration of logical and physical tasks
04/29/10Voice activity detection and silence suppression in a packet network
04/29/10Synthetic audiovisual description scheme, mpeg-7
04/22/10Method and increasing survivability in ip networks
04/22/10Method and automatically building conversational systems
04/22/10Method and voice mail notes
04/22/10Effective deployment of temporal noise shaping (tns) filters
04/22/10System and improved use of voice activity detection
04/22/10Multitask learning for spoken language understanding
Patent Packs
04/22/10System and automatic verification of the understandability of speech
04/22/10System and testing a tts voice
04/22/10Systems and methods for generating markup-language based expressions from multi-modal and unimodal inputs
04/22/10System and delivery of video-on-demand
04/15/10System and latency reduction for automatic speech recognition using partial multi-pass results
04/15/10System and developing a tts voice
04/15/10Forecasting outcomes based on analysis of text strings
04/15/10Microbilling using a trust management system
04/08/10Automatic learning for mapping spoken/text descriptions of products onto available products
04/01/10Optical swapping of digitally-encoded optical labels
03/25/10System and designing a network
03/25/10System for low-latency animation of talking heads
03/25/10Coarticulation audio-visual text-to-speech synthesis
03/25/10System and measured multilingual collaborative network interaction
03/18/10Method and apparatus to prioritize video information during coding and decoding
03/18/10Time-multiplexed, two tier wireless device and method therefor
03/04/10System and filtering noise
03/04/10System, method and computer-readable medium for providing pattern matching
03/04/10Targeted caching to reduce bandwidth consumption
03/04/10System and detecting closed captioning and creating a closed captioning electronic programming guide
03/04/10Systems and methods for distributing video on demand
02/25/10Recognizing the numeric language in natural spoken dialogue
02/25/10System and configuring voice synthesis
02/18/10Performance testing of echo cancellers using a white noise test signal
02/18/10Method for building a natural language understanding model for a spoken dialog system
02/18/10System for bandwidth extension of narrow-band speech
02/18/10System and customizing animated entities for use in a multimedia communication application
02/11/10Multimedia channel sharing across access network boundaries
02/11/10Multimedia channel sharing
02/04/10Recommender system utilizing collaborative filtering combining explicit and implicit feedback with both neighborhood and latent factor models
Patent Packs
01/28/10Proactive surge protection
01/28/10Systems and methods for proactive surge protection
01/28/10Actuator for implementing rate-based packet sending over packet switching networks
01/28/10Ip multicast with ip unicast/multicast error correction
12/31/09System and encoding and decoding using texture replacement
12/31/09Method and presenting media programs
12/24/09System and providing a high-quality voice network architecture over ip centrex
12/24/09Methods for distributing information using secure peer-to-peer communications
12/17/09Automatic segmentation in speech synthesis
12/03/09Method and reducing access delay in discontinuous transmission packet telephony systems
12/03/09Method and system for training a text-to-speech synthesis system using a specific domain speech database
11/26/09Methods and system for creating voice files using a voicexml application
11/26/09System and providing a spoken dialog interface to a website
11/12/09System and spelling recognition using speech and non-speech input
11/05/09Method for automated sentence planning in a task classification system
10/15/09Low latency real-time vocal tract length normalization
10/08/09Active labeling for spoken language understanding
10/01/09System and spoken language understanding using word confusion networks
09/17/09Common mobility management protocol for multimedia applications, systems and services
09/10/09Method and system for preventing speech comprehension by interactive voice response systems
Social Network Patent Pack
09/03/09Automated sentence planning in a task classification system
08/27/09Bidirectional predicted pictures or video object planes for efficient and flexible coding
08/06/09System and unsupervised and active learning for automatic speech recognition
07/23/09System and retrieving a watermark within a signal
07/23/09Query-aware sampling of data streams
07/16/09System and deploying filters for processing signals
07/16/09Automated task classification system
07/02/09Digital encoding of labels for optical packet networks
06/04/09System and augmenting spoken language understanding by correcting common errors in linguistic performance
05/21/09Secure and fault-tolerant testing a software patch
05/07/09System and watermarking a signal
04/30/09Timing of speech recognition over lossy transmission systems
04/30/09System and improving interaction with a user through a dynamically alterable spoken dialog system
04/30/09System and increasing accuracy of searches based on communities of interest
04/30/09System and controlling devices that are connected to a network
04/30/09System and language sensitive contextual searching
04/23/09Method and packet analysis in a network
04/09/09Method and controlling access to a communication channel
04/09/09System and handling problematic input during context-sensitive help for multi-modal dialog systems
04/09/09Adaptive approach to improve g.711 perceptual quality
Social Network Patent Pack
04/09/09Methods and integrating external applications into an mpeg-4 scene
04/09/09Multi-frequency data transmission channel power allocation
04/09/09Method and system for preselection of suitable units for concatenative speech
03/12/09System for handling frequently asked questions in a natural language dialog service
03/12/09System and method using a discriminative learning approach for question answering
03/05/09System and providing a high-quality voice network architecture
03/05/09System and providing a compensated speech recognition model for speech recognition
03/05/09Combining active and semi-supervised learning for spoken language understanding
03/05/09System and blending synthetic voices
03/05/09System and compiling rules created by machine learning program
03/05/09Media management based on derived quantitative data of quality
02/05/09Load balancing techniques for inter-domain traffic engineering
01/28/10Ip multicast with ip unicast/multicast error correction







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