| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 02/25/1998 | CN1174476A Data broadcast receiving apparatus |
| 02/24/1998 | US5721950 Method for scheduling I/O transactions for video data storage unit to maintain continuity of number of video streams which is limited by number of I/O transactions |
| 02/24/1998 | US5721878 Multimedia control system and method for controlling multimedia program presentation |
| 02/24/1998 | US5721829 System for automatic pause/resume of content delivered on a channel in response to switching to and from that channel and resuming so that a portion of the content is repeated |
| 02/24/1998 | US5721803 Information transmission system having a reduced number of stored programs and recording media playback devices |
| 02/24/1998 | US5721778 Digital signal transmitting method, digital signal receiving apparatus, and recording medium |
| 02/24/1998 | US5721720 Optical recording medium recording pixel data as a compressed unit data block |
| 02/24/1998 | US5721593 Signal selection circuit of intelligence television |
| 02/19/1998 | WO1998007277A1 Program guide system and method of operation |
| 02/19/1998 | WO1998007276A1 Tv and data cable system ingress noise blocker |
| 02/17/1998 | US5719982 Apparatus and method for decoding data |
| 02/12/1998 | WO1998006219A1 Electronic program guide with interactive areas |
| 02/12/1998 | WO1997046073A3 An access network over a dedicated medium |
| 02/12/1998 | WO1997036408A3 Transition controlled balanced encoding scheme |
| 02/12/1998 | DE19630398C1 Verfahren zum Synchronisieren eines in einer Datenempfangsstation zu generierenden Taktsignals mit einem in einer Datensendestation verwendeten Taktsignal A method for synchronizing a receiving station in a data to be generated clock signal with a clock signal used in a data transmitting station |
| 02/11/1998 | EP0823823A2 Digital broadcasting system |
| 02/11/1998 | EP0823179A1 Electronic television program guide schedule system and method with remote product ordering |
| 02/11/1998 | EP0823156A1 Method and apparatus for determining desired reception frequency using broadcaster information |
| 02/11/1998 | CN1173264A Digital video Programme multiplexing device |
| 02/10/1998 | US5717715 Signal processing apparatus and method |
| 02/10/1998 | US5717691 Multimedia network interface for asynchronous transfer mode communication system |
| 02/10/1998 | US5717471 Apparatus for demodulating and decoding satellite, terrestrial and cable transmitted digital television data |
| 02/10/1998 | US5717464 Rate control for a video encoder |
| 02/05/1998 | WO1998005169A1 Synchronisation process |
| 02/05/1998 | WO1998005168A1 Synchronisation process |
| 02/05/1998 | WO1998005167A1 System and method for digitally encoding and compressing vbi signals |
| 02/05/1998 | WO1998005164A1 Return path ingress noise measurement system |
| 02/05/1998 | WO1998005144A1 High-speed internet access system |
| 02/05/1998 | WO1998004973A1 Data de-rotator and de-interleaver |
| 02/05/1998 | CA2262368A1 System and method for digitally encoding and compressing vbi signals |
| 02/05/1998 | CA2261933A1 Two-way asymmetric communication system |
| 02/04/1998 | EP0822722A2 MPEG packet header compression for television modems |
| 02/04/1998 | EP0822718A1 Network controller for cable television delivery systems |
| 02/04/1998 | EP0821856A1 Merging multi-source information in a television system |
| 02/03/1998 | US5715515 Method and apparatus for downloading on-screen graphics and captions to a television terminal |
| 02/03/1998 | US5715315 CATV systems |
| 02/03/1998 | US5715224 Recording medium with synthesis method default value and reproducing device |
| 02/03/1998 | US5715020 Remote control system in which a plurality of remote control units are managed by a single remote control device |
| 01/28/1998 | EP0821522A2 Camera control apparatus and method |
| 01/28/1998 | EP0820673A1 Networked video downloading servers with customized services |
| 01/28/1998 | CN1171700A Video decoder having interfacing function for picture synchronization |
| 01/27/1998 | US5712976 Video data streamer for simultaneously conveying same one or different ones of data blocks stored in storage node to each of plurality of communication nodes |
| 01/27/1998 | US5712690 Apparatus and method for diagnosing received broadcast signals using sync signals and signal level |
| 01/22/1998 | WO1998002881A1 Apparatus having digital interface, network system employing the apparatus and copy protection method |
| 01/21/1998 | EP0819357A1 Information terminal having reconfigurable memory |
| 01/21/1998 | EP0819354A1 Interactive program guide systems and processes |
| 01/21/1998 | CN1170909A Transmitter-receiver of three-dimensional skeleton and transmitting-receiving method for action |
| 01/20/1998 | US5710815 Encoder apparatus and decoder apparatus for a television signal having embedded viewer access control data |
| 01/20/1998 | US5710605 Remote control unit for controlling a television and videocassette recorder with a display for allowing a user to select between various programming schedules |
| 01/20/1998 | US5710601 For displaying a video clip for a television program |
| 01/14/1998 | EP0708946A4 Device, method and system for variable bit-rate packet video communications |
| 01/13/1998 | US5708845 System for mapping hot spots in media content for interactive digital media program |
| 01/13/1998 | US5708689 Circuit for detecting a synchronization byte of a transport stream |
| 01/13/1998 | US5708664 Statistical multiplexing |
| 01/08/1998 | WO1998000976A1 Interactive television system and method for displaying web-like stills with hyperlinks |
| 01/08/1998 | WO1998000975A1 Interactive television system and method having on-demand web-like navigational capabilities for displaying requested hyperlinked web-like still images associated with television content |
| 01/08/1998 | WO1998000973A1 Video delivery system and method which displays a slider bar on t he subscriber video screen for indexing into a video stream |
| 01/08/1998 | WO1998000968A1 Ir transmitter with magnetic stripe card reader |
| 01/07/1998 | EP0817502A2 Multiplexed video data processing method ensuring synchronisation of several data objects |
| 01/07/1998 | EP0817488A2 Media server system and method for preventing FIFO buffer underflow during multiple channel startup |
| 01/07/1998 | EP0817487A2 Method for communicating audiovisual programs over a communications network |
| 01/07/1998 | EP0815688A1 High speed digital video serial link |
| 01/07/1998 | EP0815676A1 Single oscillator compressed digital information receiver |
| 01/07/1998 | CN1169790A Multiplex signal decoding |
| 01/07/1998 | CN1169640A Selective-caption displayed broadcasting and receiving method suitable for syllable characters |
| 01/07/1998 | CN1169637A Selective-caption-displayed scrolling method suitable for syllable characters |
| 01/06/1998 | US5706309 Process for transmitting and/or storing digital signals of multiple channels |
| 01/06/1998 | US5706290 Method and apparatus including system architecture for multimedia communication |
| 12/31/1997 | WO1997050249A1 Interactive reverse channel for direct broadcast satellite system |
| 12/31/1997 | CN1169081A Soft scrolling method of closed-caption words |
| 12/30/1997 | US5703877 Acquisition and error recovery of audio data carried in a packetized data stream |
| 12/30/1997 | US5703604 Immersive dodecaherdral video viewing system |
| 12/29/1997 | EP0813794A1 Interactive system for a closed cable network including an internet gateway and linked services |
| 12/24/1997 | WO1997049238A1 Conditional access system for local storage device |
| 12/24/1997 | WO1997049237A1 Television schedule system with enhanced features |
| 12/24/1997 | WO1997049220A1 Method and apparatus for providing video services |
| 12/24/1997 | CN1168754A Downloading television graphics and captions |
| 12/23/1997 | US5701511 Redbook audio sequencing |
| 12/23/1997 | US5701186 Optical cable TV system |
| 12/23/1997 | US5701161 Method and apparatus for providing real time data on a viewing screen concurrently with any programing in process |
| 12/18/1997 | WO1997048230A1 Method and apparatus for searching a guide using program characteristics |
| 12/18/1997 | WO1997048228A1 Television schedule system and method of operation |
| 12/18/1997 | WO1997048056A1 A system and method for sending multiple data signals over a serial link |
| 12/18/1997 | CA2739549A1 Television schedule system and method of operation |
| 12/17/1997 | EP0812511A1 Method and device for performing source transitions in a video system which performs entropy encoding |
| 12/17/1997 | EP0755608A4 A distance learning system providing individual television participation, audio responses, and memory for every student |
| 12/16/1997 | US5699429 Packet TV program component detector |
| 12/16/1997 | US5699426 Video data bus communication system and method |
| 12/16/1997 | US5699392 Method and system for the recovery of an encoder clock from an MPEG-2 transport stream |
| 12/16/1997 | US5699359 Audio-video and control interfaces for multi-media personal computer packet communication |
| 12/16/1997 | US5699124 Bandwidth efficient communication of user data in digital television data stream |
| 12/16/1997 | US5699107 Program reminder system |
| 12/16/1997 | US5699104 Broadcast channel lock system |
| 12/11/1997 | WO1997047143A2 Web browser allowing navigation between hypertext objects using remote control |
| 12/11/1997 | WO1997047136A1 Program guide for dbs and cable tv |
| 12/11/1997 | WO1997047128A2 Improvements in or relating to changing the bit rate of a signal |
| 12/11/1997 | WO1997047127A1 A modem with ip support |
| 12/11/1997 | WO1997047119A1 An access network over a shared medium |
| 12/11/1997 | WO1997047106A1 A method and apparatus for using network address information to improve the performance of network transactions |
| 12/11/1997 | WO1997046943A1 Method and apparatus for providing proxying and transcoding of documents in a distributed network |