| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 08/26/1999 | CA2287388A1 Dual compressed video bitstream camera for universal serial bus connection |
| 08/25/1999 | EP0938091A2 Information recording system |
| 08/25/1999 | EP0937359A1 Multiple user profile remote control |
| 08/25/1999 | EP0937345A1 Method and device for multiplexing a plurality of digital data flows into one global digital data flow, and method and device for demultiplexing one global digital data flow into a plurality a digital data flows |
| 08/25/1999 | EP0878092A4 Video viewing supervision system |
| 08/25/1999 | EP0845188A4 Television schedule system with enhanced features |
| 08/25/1999 | CN1227029A Video delivery system and method which displays slider bar on subscriber video screen for indexing into video stream |
| 08/24/1999 | US5943605 Arrangement for controlling extraction of data from a broadband digital stream employing a symbol table for translating symbolic program names to program and channel numbers |
| 08/24/1999 | US5943422 Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels |
| 08/24/1999 | US5943383 Method of determining a receiver time at a reception instant of a transmission time marker contained in received data elements |
| 08/24/1999 | US5943374 Out-of-synchronization recovery method and apparatus of data transmission system |
| 08/24/1999 | US5943304 Method of reproducing multimedia data and multimedia data server system |
| 08/24/1999 | US5943046 Systems and methods for the distribution of multimedia information |
| 08/19/1999 | WO1999041910A1 Digital av data transmitting unit, digital av data receiving unit, digital av data transmitting/receiving unit, and medium |
| 08/19/1999 | WO1999019804A3 Method and apparatus for sending and receiving lightweight messages |
| 08/18/1999 | EP0936816A2 Video clock and framing signal extraction |
| 08/18/1999 | EP0936616A2 Transmitting apparatus |
| 08/18/1999 | EP0935886A1 A method and apparatus for enhancing the broadcast of a live event |
| 08/18/1999 | EP0796538A4 System and method for scheduling broadcast of and access to video programs and other data using customer profiles |
| 08/18/1999 | CN1226359A Self-adaptive decoding system for processing enciphered and unenciphered video-frequency data |
| 08/18/1999 | CN1226357A Block data form for digital data storage medium |
| 08/18/1999 | CN1226355A Decoding to digital data containing performance specific information |
| 08/18/1999 | CN1226354A Process for digital data and performance guide information |
| 08/18/1999 | CN1226064A Method and apparatus for protecting copyright of digital recording medium and copyright protected digital recording medium |
| 08/17/1999 | US5940863 Apparatus for de-rotating and de-interleaving data including plural memory devices and plural modulo memory address generators |
| 08/17/1999 | US5940600 Isochronous channel having a linked list of buffers |
| 08/17/1999 | US5940387 Home multimedia network architecture |
| 08/17/1999 | US5940148 Method and apparatus for receiving and recording digital packet data |
| 08/17/1999 | US5940137 Symbol timing generation and recovery for data transmission in an analog video signal |
| 08/17/1999 | US5940074 In a networked computer system |
| 08/17/1999 | US5940073 Method and system for displaying other information in a TV program guide |
| 08/17/1999 | US5940072 System for decompressing graphics data |
| 08/17/1999 | US5938741 Information transmission/reception system for transmitting information to requesters, where it is recorded, in response to a plurality of requests |
| 08/12/1999 | WO1999040753A1 Communication network, method for transmitting a signal, network connecting unit and method for adjusting the bit rate of a scaled data flow |
| 08/12/1999 | WO1999040723A1 Method and apparatus for still image capture during video streaming operations of a tethered digital camera |
| 08/12/1999 | WO1999040721A1 Vsb encoder and rf modulator for digital television receiver |
| 08/12/1999 | WO1999030468A3 System for monitoring and reporting viewing of television programming |
| 08/12/1999 | DE19804564A1 Kommunikationsnetz, Verfahren zum Übertragen eines Signals, Netzverbindungseinheit und Verfahren zum Anpassen der Datenrate eines skalierten Datenstroms Communication network, A method for transmitting a signal, network connecting unit and method of adapting the data rate of a scaled data flow |
| 08/11/1999 | EP0935394A2 Transmission of time-shifted data to a plurality of channels |
| 08/11/1999 | EP0935393A2 Set top terminal for cable television delivery systems |
| 08/11/1999 | EP0935385A2 Decoder device and receiver using the same |
| 08/11/1999 | EP0935381A2 Dynamic network configuration of a one-way adapter |
| 08/11/1999 | EP0935360A2 Method and apparatus for receiving digital broadcasts |
| 08/11/1999 | EP0934660A1 Method and apparatus for masking the effects of latency in an interactive information distribution system |
| 08/11/1999 | EP0934659A1 Method and apparatus for generating television program guides utilizing icons |
| 08/11/1999 | EP0934639A1 Device and method for receiving data transmitted by means of an asynchronous data transmission technique |
| 08/11/1999 | EP0934571A1 Data distribution system |
| 08/11/1999 | EP0934565A1 A digital information library and delivery system |
| 08/11/1999 | EP0901718A4 Method and apparatus for splicing compressed information streams |
| 08/11/1999 | EP0673583B1 Advanced set top terminal for cable television delivery systems |
| 08/11/1999 | CN1225776A Television schedule system and method of operation |
| 08/11/1999 | CN1225770A Method and apparatus for incorporating appliance unit into computer system |
| 08/10/1999 | US5936660 Digital video converter box for subscriber/home with multiple television sets |
| 08/10/1999 | US5935207 Method and apparatus for providing remote site administrators with user hits on mirrored web sites |
| 08/10/1999 | US5935004 System and method for scheduled delivery of a software program over a cable network |
| 08/10/1999 | CA2189122C Method and apparatus for graceful degradation of image playback frames rates |
| 08/05/1999 | WO1999039506A1 Apparatus and method for digital advertisement insertion in a bitstream |
| 08/05/1999 | WO1999023813A3 Automatic characterization of a television signal |
| 08/05/1999 | WO1999012091A3 Multiple-screen video adapter with television tuner |
| 08/04/1999 | EP0933941A2 Multi-media data automatic delivery system |
| 08/04/1999 | EP0933940A1 Information transmitting method and television broadcast receiver |
| 08/04/1999 | EP0933933A1 Receiver, program retrieval method, and receiving method |
| 08/04/1999 | EP0933892A2 Audio and visual transmission and receiving system |
| 08/04/1999 | EP0932981A1 Digital camcorder apparatus with mpeg-2-compatible video compression |
| 08/04/1999 | EP0932980A1 Video transmission apparatus employing intra-frame-only video compression that is mpeg-2 compatible |
| 08/04/1999 | EP0932958A1 Device interoperability |
| 08/04/1999 | EP0932949A1 Apparatus and method for analyzing bitstreams |
| 08/04/1999 | CN1224982A Generation of bit stream containing binary image/audio data that is multiplexed with code defining object in ASCII format |
| 08/04/1999 | CN1224972A Method and apparatus for preparing and transmitting electronic program information and apparatus for producing electronic program guide from electronic program information |
| 08/03/1999 | US5933834 System and method for re-striping a set of objects onto an exploded array of storage units in a computer system |
| 08/03/1999 | US5933603 Video file server maintaining sliding windows of a video data set in random access memories of stream server computers for immediate video-on-demand service beginning at any specified location |
| 08/03/1999 | US5933500 Adaptive decoding system for processing encrypted and non-encrypted broadcast, cable or satellite video data |
| 08/03/1999 | US5933499 Image processing apparatus |
| 08/03/1999 | US5933398 Apparatus for reproducing recording medium with synthesis method and default value and method therefor |
| 08/03/1999 | US5933195 Method and apparatus memory requirements for storing reference frames in a video decoder |
| 08/03/1999 | US5933192 Multi-channel digital video transmission receiver with improved channel-changing response |
| 08/03/1999 | US5931922 Media server system for preventing FIFO buffer underflow during multiple channel startup by waiting until buffer receives plurality of data blocks before enabling buffer to transmit received data |
| 08/03/1999 | US5931908 Visual object present within live programming as an actionable event for user selection of alternate programming wherein the actionable event is selected by human operator at a head end for distributed data and programming |
| 08/03/1999 | CA2136603C Television signal distribution network |
| 07/29/1999 | WO1999038326A1 Image transmitting method, image processing method, image processor, data storage medium |
| 07/29/1999 | WO1999038287A1 Method for synchronizing network nodes |
| 07/29/1999 | WO1999038162A1 Protection of data on media recording disks |
| 07/29/1999 | WO1999029107A3 Method and apparatus for video-on-demand with fast play capability |
| 07/29/1999 | WO1999027713A3 Video buffer for seamless splicing of mpeg streams |
| 07/29/1999 | WO1999020010A9 Variable bandwidth communication systems and methods |
| 07/29/1999 | WO1999019854A8 Method and apparatus for sending presence messages |
| 07/29/1999 | WO1999019820A8 Electronic audio connection system and methods for providing same |
| 07/28/1999 | EP0932307A2 Compressed video and audio transport stream multiplexer |
| 07/28/1999 | EP0931418A2 Apparatus and method for multi-service transport multiplexing |
| 07/27/1999 | US5930526 System for progressive transmission of compressed video including video data of first type of video frame played independently of video data of second type of video frame |
| 07/27/1999 | US5930515 Apparatus and method for upgrading a computer system operating system |
| 07/27/1999 | US5930493 Multimedia server system and method for communicating multimedia information |
| 07/27/1999 | US5930475 CATV communication system, method of communication by the same, and center and terminal devices thereof |
| 07/27/1999 | US5929932 Program guide display controller at user terminal of television broadcasting system |
| 07/27/1999 | US5929927 Method and apparatus for providing a modulated scroll rate for text display |
| 07/27/1999 | US5929914 Method and device for global bitrate control of a plurality of encoders |
| 07/27/1999 | US5929850 Interactive television system and method having on-demand web-like navigational capabilities for displaying requested hyperlinked web-like still images associated with television content |
| 07/27/1999 | US5929849 Integration of dynamic universal resource locators with television presentations |
| 07/27/1999 | CA2177163C Data modulation arrangement for selectively distributing data |
| 07/22/1999 | WO1999037094A1 Small-format subsystem for broadband communication services |