Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
11/1999
11/04/1999CA2638981A1 Program guide system with advertisements
11/03/1999EP0954179A2 Response capacity management in interactive broadcast systems
11/03/1999EP0954176A2 Reminder system for broadcast and non-broadcast events
11/03/1999EP0954150A2 Image communication apparatus and storage medium
11/03/1999EP0566662B1 Audio and video transmission system
11/03/1999CN1234163A 场识别系统 Field identification system
11/02/1999USRE36368 Automatic interactive television terminal configuration
11/02/1999US5978567 System for distribution of interactive multimedia and linear programs by enabling program webs which include control scripts to define presentation by client transceiver
11/02/1999US5978424 Frame identification system
11/02/1999US5978046 Television receiver with picture-in-picture function displays titles of reduced screen programs
11/02/1999US5978013 Apparatus and method for generating product coupons in response to televised offers
11/02/1999US5978012 Data receiving-processing apparatus and method, and broadcasting method
11/02/1999US5977963 Transmission of displacement information in a web television
11/02/1999US5977962 Television browsing system with transmitted and received keys and associated information
11/01/1999CA2266694A1 Packet routing and queuing at headend of shared data channel
10/1999
10/28/1999WO1999055092A2 Apparatus and method for dynamic multiplexing
10/28/1999WO1999055091A1 Digital television system which selects images for display in a video sequence
10/28/1999WO1999055087A1 Expanded information capacity for existing communication transmission systems
10/28/1999WO1999034599A8 System for dual-display interaction with integrated television and internet content
10/28/1999CA2328354A1 Apparatus and method for dynamic multiplexing
10/27/1999EP0952735A1 Interactive scroll program guide
10/27/1999EP0952734A2 System for selecting, accessing, and viewing portions of an information stream(s) using a television companion device
10/27/1999EP0952728A2 Method and apparatus for watermarking data sets
10/27/1999CN1233050A Auxiliary data insertion in transport datastream
10/26/1999US5974503 Storage and access of continuous media files indexed as lists of raid stripe sets associated with file names
10/26/1999US5974464 System for high speed serial video signal transmission using DC-balanced coding
10/26/1999US5974461 Method for automatically regenerating information at a client system in the event of power or communication disruption between the client system and the server
10/26/1999US5974299 Audience rating system for digital television and radio
10/26/1999US5974223 Method of and apparatus for data recording, method of and apparatus for data reproduction, recording medium, and method of and apparatus for data transmission
10/26/1999US5974217 Information transmission system having a reduced number of stored programs and recording media playback drives
10/26/1999US5973758 Video synchronization
10/26/1999US5973756 IR Transmitter with integral magnetic-stripe ATM type credit card reader & method therefor
10/26/1999US5973685 Scheme for the distribution of multimedia follow-up information
10/26/1999US5973684 Digital entertainment terminal providing dynamic execution in video dial tone networks
10/26/1999US5973683 Dynamic regulation of television viewing content based on viewer profile and viewing history
10/26/1999US5973682 Method and apparatus for indicating functional areas of a graphical user interface
10/26/1999US5973679 System and method for media stream indexing
10/21/1999WO1999053689A1 Conditional access via secure logging with simplified key management
10/21/1999WO1999053624A1 Gps data access system
10/21/1999WO1999053429A1 Multiresolution compressed image management system and method
10/21/1999WO1999045671A3 System for editing entertainment information by producers
10/21/1999CA2328346A1 Gps data access system
10/21/1999CA2268370A1 System for selecting, accessing, and viewing portions of an information stream(s) using a television companion device
10/20/1999EP0950321A1 System and method for synchronizing enhancing content with a video program using closed captioning
10/20/1999EP0950319A1 Preventing replay attacks on digital information distributed by network service providers
10/20/1999EP0950317A2 Method and apparatus for providing a menu structure for an interactive information distribution system
10/20/1999EP0862831A4 Method and apparatus for displaying textual or graphic data on the screen of television receivers
10/20/1999EP0788714A4 Video indexing protocol
10/19/1999US5970486 Keyword creation method and its apparatus
10/19/1999US5970141 Down-line transcription system for manipulating real-time testimony
10/19/1999US5969774 Programmable remote control transmitter
10/19/1999US5969770 Animated "on-screen" display provisions for an MPEG video signal processing system
10/19/1999US5969748 Television schedule system with access control
10/14/1999WO1999052293A1 Method and apparatus for controlling data flow between devices connected by a memory
10/14/1999WO1999052292A1 Method and apparatus for accessing video data in memory across flow-controlled interconnects
10/14/1999WO1999052290A1 A packet protocol for encoding and decoding video data and data flow signals
10/14/1999WO1999052289A1 Apparatus and method for controlling transfer of data between interconnected data processing elements and processing of data by these data processing elements
10/14/1999WO1999052286A1 Subscriber system for interactive interfacing with broadcast information
10/14/1999WO1999052282A1 Bursty data transmission of compressed video data
10/14/1999WO1999052279A1 Method and apparatus implementing random access and time-based functions on a continuous stream of formatted digital data
10/14/1999WO1999052111A1 Method and apparatus for data reception
10/14/1999WO1999052067A2 Apparatus and method of splicing digital video streams
10/14/1999CA2326994A1 Method and apparatus for accessing video data in memory across flow-controlled interconnects
10/14/1999CA2326664A1 Apparatus and method for controlling transfer of data between interconnected data processing elements and processing of data by these data processing elements
10/14/1999CA2296592A1 Apparatus and method of splicing digital video streams
10/13/1999EP0949816A2 A method for controlling execution of an audio video interactive program
10/13/1999CN1231786A Method and apparatus for dynamic bandwidth allocation in a packet stream encoder
10/12/1999US5966637 System and method for receiving and rendering multi-lingual text on a set top box
10/12/1999US5966385 Decoder for compressed and multiplexed video and audio data
10/12/1999US5966163 Providing constant bit rate upstream data transport in a two way cable system by scheduling preemptive grants for upstream data slots using selected fields of a plurality of grant fields
10/12/1999US5966162 Method and apparatus for masking the effects of latency in an interactive information distribution system
10/12/1999US5966121 Interactive hypervideo editing system and interface
10/12/1999US5966120 Method of modifying a primary data stream
10/12/1999US5964849 Controlling video devices
10/12/1999US5964842 Method and apparatus for scaling data compression based on system capacity
10/12/1999CA2190688C Acquisition and error recovery of audio data carried in a packetized data stream
10/07/1999WO1999051035A1 Adaptive video bit allocation based on user-selected region-of-interest
10/07/1999WO1999051031A1 Coupon delivery based on user preferences
10/07/1999WO1999051030A1 Apparatus and method for web-casting over digital broadcast tv network
10/07/1999WO1999051020A2 Animation synchronization for computer implemented multimedia applications
10/07/1999WO1999050988A2 A method of relaying digital video and audio data via a communication media
10/07/1999WO1999050778A1 System for customizing and distributing presentations
10/07/1999WO1999049717A2 System and method for multicasting multimedia content
10/07/1999WO1999007145A9 Verification of the source of program of information in a conditional access system
10/07/1999CA2326491A1 Apparatus and method for web-casting over digital broadcast tv network
10/07/1999CA2324620A1 A method of relaying digital video and audio data via a communication media
10/07/1999CA2287417A1 System and method for multicasting multimedia content
10/06/1999EP0948206A2 Characterising compressed bitstreams
10/06/1999EP0947100A1 Electronic programming guide with movie preview
10/06/1999EP0947096A1 Set top device for targeted electronic insertion of indicia into video
10/06/1999EP0947094A1 Method and system for providing interactive look-and-feel in a digital broadcast via an x-y protocol
10/06/1999EP0900491A4 A method and apparatus for using network address information to improve the performance of network transactions
10/06/1999EP0683959B1 Local communication system and station for use in such a system
10/06/1999CN1231102A Device and method for controlling image encoding, encoding system, transmission system and broadcast system
10/06/1999CN1231099A Internet television apparatus
10/05/1999US5963543 Error detection and correction apparatus for an asynchronous transfer mode (ATM) network device
10/05/1999US5963264 Selecting a digital television program and the control of a non-attached recording device
10/05/1999US5963217 Network conference system using limited bandwidth to generate locally animated displays
10/05/1999US5961603 Access system and method for providing interactive access to an information source through a networked distribution system
09/1999
09/30/1999WO1999049663A1 Method and system for broadcast transmission of media objects