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