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