Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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07/28/1998 | US5787089 Digital signal broadcasting |
07/28/1998 | US5786864 Moving picture processing apparatus and method wherein image data and special effects data are transmitted in common |
07/28/1998 | CA2092495C Communication system |
07/23/1998 | WO1998032251A1 Source detection apparatus and method for audience measurement |
07/22/1998 | EP0854648A2 Waveform generator for insertion of data into digital television signals |
07/22/1998 | EP0854645A2 Electronic television program guide system and method |
07/22/1998 | EP0854599A2 System and method for detecting, correcting and discarding corrupted data packets in a cable data delivery system |
07/22/1998 | EP0853858A1 Simplified input selector for video signals |
07/22/1998 | EP0853857A1 Compressed video data processing with conversion of image compression format |
07/22/1998 | EP0853852A1 Block coding for digital video transmission |
07/22/1998 | EP0786126B1 Method and system for distributing and selecting audio and video information |
07/22/1998 | EP0717892B1 Real-time audio packet layer encoder |
07/22/1998 | CN1188582A Image encoder, image encoding method and medium on which image encoding program is recorded |
07/22/1998 | CN1188373A Digital broadcasting device, receiving device and programme recording medium suitable for the same |
07/21/1998 | US5784572 Method and apparatus for compressing video and voice signals according to different standards |
07/21/1998 | US5784526 Multisystem signal processing apparatus having specific hierarchical coding |
07/21/1998 | US5784277 Real-time audio packet layer encoder |
07/21/1998 | US5784125 Portable liquid crystal display device and method of changing the received channel status of a portable liquid crystal display device |
07/21/1998 | US5782548 Image projection system and a method of controlling a projected pointer |
07/16/1998 | WO1998031152A2 Embedding supplemental data in a digital video signal |
07/16/1998 | WO1998031149A1 System and method for synchronizing enhancing content with a video program using closed captioning |
07/16/1998 | WO1998031116A2 Method and apparatus for providing a menu structure for an interactive information distribution system |
07/16/1998 | WO1998031114A1 Method and system for tracking network use |
07/16/1998 | CA2285645A1 Method and system for tracking network use |
07/15/1998 | EP0852880A1 Multimedia architecture for interactive advertising |
07/14/1998 | US5781730 System and method for enabling the creation of personalized movie presentations and personalized movie collections |
07/14/1998 | US5781596 Desynchronising video information from synchronous network to a plesiochronous tributary with constant rate of change in the leak rate |
07/14/1998 | US5781227 For decoding and displaying imagery |
07/14/1998 | US5781226 Network virtual memory for a cable television settop terminal |
07/09/1998 | WO1998030025A2 Method and system for implementing interactive broadcast programs and commercials |
07/09/1998 | WO1998030023A2 Fast extraction of program specific information from multiple transport streams |
07/09/1998 | WO1998029974A1 Game machine system, broadcasting system, data distribution system and its method, and program executing device and its method |
07/08/1998 | EP0852442A1 Television program delivery system |
07/08/1998 | EP0852361A2 Improvements in or relating to televisions |
07/08/1998 | EP0852097A1 Electronic program guide schedule localization system and method |
07/08/1998 | CN1187279A Intelligent memory management system and method |
07/08/1998 | CN1187278A Electronic program guide schedule localization system and method |
07/08/1998 | CN1187277A Method and apparatus for copy protection for various recording media using video finger print |
07/07/1998 | US5778406 Apparatus for delivering CPU independent data for little and big endian machines |
07/07/1998 | US5778187 Multicasting method and apparatus |
07/07/1998 | US5778182 Usage management system |
07/07/1998 | US5778135 Real-time edit control for video program material |
07/07/1998 | US5777999 Coded signal decoding circuit, and synchronous control method for the same, synchronous detecting method, and synchronization detecting circuit therefor |
07/02/1998 | WO1998028916A1 Interactivity with audiovisual programming |
07/02/1998 | WO1998028907A2 Method and system for providing interactive look-and-feel in a digital broadcast via an x-y protocol |
07/02/1998 | WO1998028906A2 Set top device for targeted electronic insertion of indicia into video |
07/02/1998 | WO1998011687A3 Method and apparatus for dynamically controlling encoding parameters of multiplexed encoders in a multiplexed system |
07/02/1998 | EP0861535A3 Method and apparatus for dynamically controlling encoding parameters of multiplexed encoders in a multiplexed system |
07/01/1998 | EP0851681A1 Image and data display method and apparatus |
07/01/1998 | EP0851678A1 System and method for antipiracy using frame rate dithering |
07/01/1998 | EP0851421A2 Recording/reproduction apparatus and methods, input/output apparatus and methods, storage apparatus, transmission apparatus, and information processing apparatus and methods |
07/01/1998 | EP0850544A1 Interface for digital recorder and display |
07/01/1998 | EP0850543A1 On-screen display timing |
07/01/1998 | EP0850542A1 On-screen display insertion |
07/01/1998 | EP0850541A1 Upgradable on-screen display |
07/01/1998 | EP0850538A1 Telecommunications multimedia conferencing system and method |
06/30/1998 | US5774859 Information system having a speech interface |
06/30/1998 | US5774672 Data transmission system for distributing video and music data |
06/30/1998 | US5774546 Secure access system utilizing an access card having more than one embedded integrated circuit and/or plurality of security levels |
06/30/1998 | US5774534 Context-based transactions using broadcast advertising |
06/30/1998 | US5774187 Audio/visual apparatus for controlling control parameters |
06/30/1998 | US5774172 Interactive graphics overlay on video images for entertainment |
06/30/1998 | US5774170 System and method for delivering targeted advertisements to consumers |
06/25/1998 | WO1998027732A1 Preventing replay attacks on digital information distributed by network service providers |
06/25/1998 | WO1998027729A1 Television apparatus for simultaneous decoding of auxiliary data included in multiple television signals |
06/25/1998 | WO1998027728A1 Method and apparatus for reformatting auxiliary information included in a television signal |
06/25/1998 | WO1998027722A1 Method and apparatus for providing a modulated scroll rate for text display |
06/25/1998 | WO1998027497A1 Browser for use in navigating a body of information, with particular application to browsing information represented by audiovisual data |
06/25/1998 | CA2844582A1 Epg with advertising inserts |
06/25/1998 | CA2779619A1 Displaying channel advertisements with an electronic program guide |
06/24/1998 | EP0849958A2 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof |
06/24/1998 | EP0849948A2 Remote control for cable television delivery system |
06/23/1998 | US5771449 Sectorized multi-function communication system |
06/23/1998 | US5771435 Method and apparatus for processing requests for video presentations of interactive applications in which VOD functionality is provided during NVOD presentations |
06/23/1998 | US5771335 Fast forward/reverse travel controlling method for video on demand system |
06/23/1998 | US5771239 Method and apparatus for modifying a transport packet stream to provide concatenated synchronization bytes at interleaver output |
06/23/1998 | US5771064 Home communications terminal having an applications module |
06/18/1998 | WO1998026599A1 Device and method for encoding image data, and image data transmission method |
06/18/1998 | WO1998026596A1 Electronic programming guide with movie preview |
06/18/1998 | WO1998026593A1 Digital video converter box for subscriber/home with multiple television sets |
06/18/1998 | WO1998026584A1 Internet television program guide system |
06/18/1998 | WO1998026529A2 Interactive service device metering systems |
06/18/1998 | CA2764753A1 Internet television program guide system |
06/18/1998 | CA2714104A1 Internet television program guide system |
06/17/1998 | EP0848341A2 Remote upgrade of software over a network |
06/17/1998 | EP0783818A4 Content programmer control of video and data display using associated data |
06/17/1998 | EP0717908B1 A system for local processing/accessing and representation of large volumes of data |
06/17/1998 | EP0516741B1 Hybrid analog/digital signal processing |
06/17/1998 | CN1185257A Merging multi-source information in a television system |
06/17/1998 | CN1185079A Picture-in-picture control method for video television system and apparatus using the same |
06/16/1998 | US5768681 Channel conservation for anticipated load surge in video servers |
06/16/1998 | US5768533 Video coding using segmented frames and retransmission to overcome channel errors |
06/16/1998 | US5768527 Device, system and method of real-time multimedia streaming |
06/16/1998 | US5768375 CATV system |
06/16/1998 | US5768292 Error handling process for MPEG decoder |
06/16/1998 | US5767919 Remote control method and video apparatus for performing the same |
06/16/1998 | US5767912 Datastream packet alignment indicator in a system for assembling transport data packets |
06/16/1998 | US5767907 Drift reduction methods and apparatus |
06/16/1998 | US5767896 Television signal activated interactive smart card system |
06/16/1998 | US5767895 CATV telephone system |