| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 05/24/2001 | US20010001615 Transcoding of a data stream |
| 05/24/2001 | US20010001611 Data transmission device, reception device, data transmission system, and data transmission method |
| 05/24/2001 | US20010001564 Method of and apparatus for separating audio and video data from a combined audio/video stream of data |
| 05/23/2001 | EP1102488A2 Method and apparatus for remote audiovisual signal recording |
| 05/23/2001 | EP1102487A1 Apparatus for storing and searching audio/video data containing additional information |
| 05/23/2001 | EP1102438A1 Apparatus controller, device and method for controlling data transmission of digital apparatus, and data transmission control system |
| 05/23/2001 | EP1101356A1 Multimedia time warping system |
| 05/23/2001 | DE10043188A1 Fehlerkorrekturverfahren für Videokompressionskodierung unter Verwendung von mehreren Referenzpuffern und einem Nachrichtenkanal Error correcting method for video compression encoding using a plurality of reference buffers, and a message channel |
| 05/23/2001 | CN1296697A Method and apparatus for still image capture during video streamins operations of tethered digital camera |
| 05/23/2001 | CN1296622A Method of describing multiple level digest segment information scheme for multimedia contents and apparatus for generating digest stream from described multiple level digest sement information scheme |
| 05/22/2001 | US6237146 System and method of bidirectional digital video communication over a cable |
| 05/22/2001 | US6237145 System for accessing promotion information and for generating redeemable coupons therefrom |
| 05/22/2001 | US6236971 System for controlling the distribution and use of digital works using digital tickets |
| 05/22/2001 | CA2310183C Apparatus for demodulating and decoding satellite, terrestrial, and cable transmitted digital television data |
| 05/17/2001 | WO2001035667A1 Internet radio and broadcast method |
| 05/17/2001 | WO2001035665A1 Television apparatus for storage broadcasting, information display, distributing device, and information distributing method |
| 05/17/2001 | WO2001035660A1 Method, system, and software for creating and utilizing broadcast electronic program guide templates |
| 05/17/2001 | WO2001035571A1 Process and streaming server for encrypting a data stream |
| 05/17/2001 | WO2001035296A2 Managing content choices |
| 05/17/2001 | WO2001014996A3 Digital id for selecting web browser and use preferences of a user during use of a web application |
| 05/17/2001 | WO2000074367A3 Method of optimizing near-video-on-demand transmission |
| 05/17/2001 | WO2000072586A3 Programming interface for television settop core system software |
| 05/17/2001 | CA2389247A1 Television system for accumulation-oriented broadcast information display system, distribution sysem and information distribution method |
| 05/16/2001 | EP1100276A2 An interactive television system |
| 05/16/2001 | EP1100270A2 Terminal supporting signalling used in transmission and reception of MPEG-4 data |
| 05/16/2001 | EP1100268A2 Audivisual information management system |
| 05/16/2001 | EP1099347A1 Client-server electronic program guide |
| 05/16/2001 | EP1099344A1 Cooperative television application system having multiple user television equipment devices |
| 05/16/2001 | EP1099341A1 Interactive television program guide with remote access |
| 05/16/2001 | EP1099340A1 Television system with aided user program searching |
| 05/16/2001 | EP1099339A1 Interactive television program guide system having multiple devices within a household |
| 05/16/2001 | EP1099336A1 Method and apparatus for processing variable bit rate information in an information distribution system |
| 05/16/2001 | EP1098870A2 Nitric esters and nitrate salts of specific drugs |
| 05/16/2001 | EP0786180A4 Method and apparatus for electronic distribution of digital multi-media information |
| 05/16/2001 | CN1295764A Coupon delivery bassed on user preferences |
| 05/16/2001 | CN1295758A Method and apparatus implementing random access and time-based functions on continuos stream of formatted digital data |
| 05/15/2001 | US6233736 Media online service access system and method |
| 05/15/2001 | US6233735 Near video-on-demand system and broadcasting method therefor |
| 05/15/2001 | US6233695 Data transmission control system in set top box |
| 05/15/2001 | US6233684 System for controlling the distribution and use of rendered digital works through watermaking |
| 05/15/2001 | US6233611 Media manager for controlling autonomous media devices within a network environment and managing the flow and format of data between the devices |
| 05/15/2001 | US6233390 Apparatus and method for recording and reproducing data |
| 05/15/2001 | US6233389 Multimedia time warping system |
| 05/15/2001 | US6233283 Layered video coding using perceptual coding criteria for error resilience in packet networks |
| 05/15/2001 | US6233255 Apparatus and method for remultiplexing and coding multimedia information |
| 05/15/2001 | US6233253 System for digital data format conversion and bit stream generation |
| 05/15/2001 | US6233238 Method for updating clock references in a digital data stream and a remultiplexer |
| 05/15/2001 | CA2324968A1 Method and apparatus for remote audiovisual signal recording service |
| 05/15/2001 | CA2180245C Data frame format for variable size data constellations |
| 05/10/2001 | WO2001033859A1 A method and system for audience participation and selective viewing of various aspects of a public performance or a teaching venue |
| 05/10/2001 | WO2001033849A1 Identifying ancillary information associated with an audio/video program |
| 05/10/2001 | WO2001033838A1 A digital television (dtv) including a smart electronic program guide (epg) and operating methods therefor |
| 05/10/2001 | WO2001033833A1 Automated control of interactive application execution using defined time periods |
| 05/10/2001 | WO2001033751A1 Digital return path for hybrid fibre/coax network |
| 05/10/2001 | WO2001033418A2 Timedependent hyperlink system in videocontent |
| 05/10/2001 | US20010001160 Interactive entertainment system for presenting supplemental interactive content together with continuous video programs |
| 05/10/2001 | US20010001159 System for filtering content from videos |
| 05/10/2001 | US20010001023 Encoded stream generating apparatus and method, data transmission system and method, and editing system and method |
| 05/10/2001 | US20010001016 Method for computational graceful degradation in an audiovisual compression system |
| 05/10/2001 | US20010000962 Terminal for composing and presenting MPEG-4 video programs |
| 05/10/2001 | CA2389698A1 Automated control of interactive application execution using defined time periods |
| 05/09/2001 | EP1098534A2 An interactive television system |
| 05/09/2001 | EP1098533A2 An interactive television system |
| 05/09/2001 | EP1098532A2 An interactive television system |
| 05/09/2001 | EP1098488A1 Data receiving method and data receiving unit therefor |
| 05/09/2001 | EP1097589A1 A conditional access system for broadcast digital television |
| 05/09/2001 | EP1097585A1 Method and apparatus for combining video sequences with an interactive program guide |
| 05/09/2001 | EP1097580A1 Mpeg encoding technique for encoding web pages |
| 05/09/2001 | EP1097571A2 Apparatus and method for processing signals selected from multiple data streams |
| 05/09/2001 | CN1065706C Method and appts. for operating transport packet stream encoder for data representing pulurality of component signals |
| 05/08/2001 | US6230322 Music channel graphical user interface |
| 05/08/2001 | US6230321 Method of simultaneous display of two pictures for internet-functional television receiver |
| 05/08/2001 | US6230319 Managing interruption while downloading data over a network |
| 05/08/2001 | US6230209 Multimedia computer system |
| 05/08/2001 | US6230130 Scalable mixing for speech streaming |
| 05/08/2001 | US6229895 Secure distribution of video on-demand |
| 05/08/2001 | US6229849 Coding device and method |
| 05/08/2001 | US6229801 Delivery of MPEG2 compliant table data |
| 05/08/2001 | US6229790 Channel switching control for a communication system |
| 05/08/2001 | US6229694 Handheld computer and data processing system |
| 05/08/2001 | US6229575 Computer convergence device controller for managing disparate video sources |
| 05/08/2001 | US6229532 Method and apparatus for building a uniform resource locator menu in an Internet television system |
| 05/08/2001 | US6229524 User interface for interaction with video |
| 05/08/2001 | US6229523 Digital versatile disc playback system with efficient modification of subpicture data |
| 05/08/2001 | CA2204765C Electronic television program guide schedule system and method with display and search of program with alphabetical title listings |
| 05/03/2001 | WO2001031838A1 Active data hiding for secure electronic media distribution |
| 05/03/2001 | WO2001031497A1 An object oriented video system |
| 05/03/2001 | WO2001005148B1 An optical disc, a recorder, a player, a recording method, and a reproducing method that are all used for the optical disc |
| 05/03/2001 | US20010000826 Integrated video system |
| 05/03/2001 | CA2388095A1 An object oriented video system |
| 05/02/2001 | EP1096797A1 Control method and control device |
| 05/02/2001 | EP1096403A2 Network system |
| 05/02/2001 | EP1095511A1 Electronic program guide using markup language |
| 05/02/2001 | EP1095510A1 Web browser system for displaying recently viewed television channels |
| 05/02/2001 | EP1095504A2 Interactive television program guide system with local advertisements |
| 05/02/2001 | EP1095337A1 Inexpensive, scalable and open-architecture media server |
| 05/02/2001 | EP1025709A4 Method and apparatus for reducing memory requirements for storing reference frames in a video decoder |
| 05/02/2001 | EP1025692A4 Computational resource allocation in an information stream decoder |
| 05/02/2001 | CN1293869A Data processing device and data processing method |
| 05/01/2001 | US6226794 Set top terminal for an interactive information distribution system |