| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 05/02/2002 | US20020051539 System for securing encryption renewal system and for registration and remote activation of encryption device |
| 05/02/2002 | US20020051493 Moving picture mailing system and method |
| 05/02/2002 | US20020051092 Method for controlling channel tuning of digital tv |
| 05/02/2002 | EP1202571A2 Controlled access to audio signals based objectionable audio content detected via sound recognition |
| 05/02/2002 | EP1202487A2 Data transmission apparatus and method |
| 05/02/2002 | EP1201088A1 Method and apparatus for processing digital images and audio data |
| 05/02/2002 | EP1201080A1 Integrating broadcast television pause and web browsing |
| 05/02/2002 | EP1201078A2 Business model for leasing storage space on a digital recorder |
| 05/02/2002 | EP0880857B1 Multicast downloading of software and data modules and their compatibility requirements |
| 05/02/2002 | EP0870368A4 Compressive communication and storage system |
| 05/02/2002 | CA2348422A1 Internet system capable of automatically selecting suitable channels |
| 05/01/2002 | CN1347618A Method and apparatus for recommending television programming using decision trees |
| 05/01/2002 | CN1347211A Terminal state control method and device |
| 05/01/2002 | CN1347117A Method and apparatus for providing stream link in audio/video disk medium |
| 05/01/2002 | CN1347108A Record medium and device for protection of digital data with copyright, and method therefor |
| 04/30/2002 | USRE37679 Signal selection circuit of intelligence television |
| 04/30/2002 | US6381747 Method for controlling copy protection in digital video networks |
| 04/30/2002 | US6381746 Scaleable video system having shared control circuits for sending multiple video streams to respective sets of viewers |
| 04/30/2002 | US6381332 Cable television setback decoder automatic control |
| 04/30/2002 | US6380991 Method for splicing MPEG-2 transport streams |
| 04/30/2002 | US6380945 Graphics display system with color look-up table loading mechanism |
| 04/30/2002 | CA2075065C Hybrid analog/digital signal processing |
| 04/25/2002 | WO2002033974A1 Switch matrix packaging for high availablity |
| 04/25/2002 | WO2002033965A1 Digital broadcast receiver and digital broadcast receiving method |
| 04/25/2002 | WO2002033956A2 Image printing order receiving system and method |
| 04/25/2002 | WO2002033953A2 Modular entertainment and data system |
| 04/25/2002 | WO2002032531A2 Method and apparatus for coordinating an interactive computer game with a broadcast television program |
| 04/25/2002 | WO2001037547A3 Signal filtering mechanism for a multi-purpose digital television receiver |
| 04/25/2002 | US20020049984 Method and system for providing interactive look-and-feel in a digital broadcast via an X-Y protocol |
| 04/25/2002 | US20020049981 Device and method for supplying commentary information |
| 04/25/2002 | US20020049978 System and method for access and placement of media content information items on a screen display with a remote control device |
| 04/25/2002 | US20020049973 Electronic television program guide schedule system and method |
| 04/25/2002 | US20020049972 Receiver, program retrieval method, and receiving method |
| 04/25/2002 | US20020049970 Method of acquiring program guide information, program guide method appropriate for the same, and program guide apparatus |
| 04/25/2002 | US20020049968 Advertising delivery method |
| 04/25/2002 | US20020049967 Processes for exploiting electronic tokens to increase broadcasting revenue |
| 04/25/2002 | US20020049843 System and method for interacting with users over a communications network |
| 04/25/2002 | US20020049635 Multiple advertising |
| 04/25/2002 | US20020049595 Audio and video transcription system for manipulating real-time testimony |
| 04/25/2002 | US20020049588 Computer-aided transcription system using pronounceable substitute text with a common cross-reference library |
| 04/25/2002 | US20020049507 Recording game information into a server |
| 04/25/2002 | US20020049037 System and method for ordering and delivering media content |
| 04/25/2002 | US20020048448 Pausing the display of a television program as a signal including the television program is received |
| 04/25/2002 | US20020048371 Method and system for secure digital decoder with secure key distribution |
| 04/25/2002 | US20020048367 Method and apparatus for recording of encrypted digital data |
| 04/25/2002 | US20020048338 Clock signal generation apparatus |
| 04/25/2002 | US20020048323 Apparatus for and method of transmitting optical signal of graphic signal |
| 04/25/2002 | US20020048275 Method and apparatus for receiving full-motion digital video multi-casts, interactive data and interactive voice via a DSL circuit |
| 04/25/2002 | US20020047946 Sound bite augmentation |
| 04/25/2002 | US20020047920 Television system designed for conveniently modifying any internally stored digital data |
| 04/24/2002 | EP1198959A1 A scaling independent technique for watermarking images |
| 04/24/2002 | EP1027780A4 Method and apparatus for upgrading features and functions of a set top box in the field |
| 04/24/2002 | CN1346568A Decimation method for providing picture windows |
| 04/24/2002 | CN1346213A Communication system in digital television |
| 04/24/2002 | CN1346212A 数字电视系统 Digital Television System |
| 04/23/2002 | US6378131 Local upstream hub for one-way cable system data/video/services requests |
| 04/23/2002 | US6378130 Media server interconnect architecture |
| 04/23/2002 | US6378129 Video server content synchronization |
| 04/23/2002 | US6378036 Queuing architecture including a plurality of queues and associated method for scheduling disk access requests for video content |
| 04/23/2002 | US6378035 Streaming information appliance with buffer read and write synchronization |
| 04/23/2002 | US6377972 High quality streaming multimedia |
| 04/23/2002 | US6377861 Integrated remote controlled computer and television system |
| 04/23/2002 | US6377748 Replay bit stream searching |
| 04/23/2002 | US6377628 System for maintaining datastream continuity in the presence of disrupted source data |
| 04/23/2002 | US6377276 Bitmap animation of on-screen-display graphics over a distributed network and a clipping region having a visible window |
| 04/23/2002 | CA2287166C Imaging system |
| 04/23/2002 | CA2276949C Image capture and transmission system |
| 04/18/2002 | WO2002032121A2 Virtual creature displayed on a television |
| 04/18/2002 | WO2002032120A2 Systems and methods for building user media lists |
| 04/18/2002 | WO2002032107A2 Method for the graphical representation of motion in video in still images |
| 04/18/2002 | WO2002032026A1 Purchase and delivery of digital content using multiple devices and data networks |
| 04/18/2002 | WO2002031731A2 Systems and methods for providing targeted advertisements based on current activity |
| 04/18/2002 | WO2002007432A3 Video adapter for controlling at least one television monitor |
| 04/18/2002 | WO2001093586A3 Access control processor |
| 04/18/2002 | WO2001091869A3 Providing advertising with video games |
| 04/18/2002 | WO2001072036A3 Method and apparatus for simultaneous recording and displaying two different video programs |
| 04/18/2002 | WO2001072035A3 Method and apparatus for simultaneous recording and displaying two different video programs |
| 04/18/2002 | WO2001069927A3 Displaying images and other information |
| 04/18/2002 | WO2001057765A8 Integrated system for providing financial services including internet tv capabilities |
| 04/18/2002 | WO2001056252A3 User terminal for channel-based internet network |
| 04/18/2002 | WO2001046869A3 Systems and methods for coordinating interactive and passive advertisement and merchandising opportunities |
| 04/18/2002 | WO2001043431A3 Enhanced display of world wide web pages on television |
| 04/18/2002 | WO2001042900A3 Scheduled retrieval, storage and access of media data |
| 04/18/2002 | US20020046408 Catv system, catv distributor, processing terminal, and receiver |
| 04/18/2002 | US20020046405 System and method for determining optimal server in a distributed network for serving content streams |
| 04/18/2002 | US20020046404 Remote accessible programming |
| 04/18/2002 | US20020044764 Method of using AV devices and AV device system |
| 04/18/2002 | US20020044656 Interfacing a conditional access circuit to a digital device using input and output stream switching |
| 04/18/2002 | US20020044222 Language dispalying apparatus for digital TV and method for the same |
| 04/18/2002 | CA2832393A1 Systems and methods for providing storage of data on servers in an on-demand media delivery system |
| 04/18/2002 | CA2773693A1 Systems and methods for building user media lists |
| 04/18/2002 | CA2758292A1 Systems and methods for supplementing on-demand media |
| 04/18/2002 | CA2425450A1 Systems and methods for providing targeted advertisements based on current activity |
| 04/17/2002 | EP1198084A2 Method and apparatus for controlling the condition of a plurality of terminals comprising a server which is linked to the terminals through a communication line |
| 04/17/2002 | EP1197965A2 Data delivery system with copyright protection |
| 04/17/2002 | EP1197794A1 Projection display system and projector, and menu image display method therefor |
| 04/17/2002 | EP1197089A1 Method and apparatus for preventing disruptions in set-top terminal function due to the download of updated programming or data to the set-top terminal |
| 04/17/2002 | EP1197083A1 Method and apparatus for using a single password set in an integrated television system |
| 04/17/2002 | EP1197082A1 Methods and apparatus for broadcasting interactive advertising using remote advertising templates |
| 04/17/2002 | EP1197076A1 Program guide processing |