Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
12/1999
12/29/1999WO1999049662A3 Automatic installation
12/29/1999WO1998059283A3 Improved home network, browser based, command and control
12/29/1999EP0967797A2 An image display and remote control system capable of displaying two distinct images
12/29/1999EP0967796A2 Client/server multimedia presentation system
12/29/1999EP0966839A1 In-camera image marking and authentication
12/29/1999EP0966838A1 Imaging system and method for interactive control of image quality
12/29/1999EP0966715A1 System and method for selection and retrieval of diverse types of video data on a computer network
12/29/1999EP0941607A4 Television browsing system and method
12/29/1999EP0922360A4 System and method for interfacing mpeg-coded audiovisual objects permitting adaptive control
12/29/1999EP0882359B1 Multimedia communications with system-dependent adaptive delays
12/29/1999EP0745307B1 Subtitling transmission system
12/29/1999EP0702879B1 Recording and reproducing an mpeg information signal on/from a record carrier
12/28/1999US6009174 Secret key transfer method which is highly secure and can restrict the damage caused when the secret key is leaked or decoded
12/28/1999US6009116 GPS TV set top box with regional restrictions
12/28/1999US6009108 Multiplexer system for converting variable-length burst data streams into averaged-transfer-rate fixed-length packets
12/28/1999US6009098 Data transmission apparatus and data transmission method
12/28/1999US6008853 Sub-frame decoder with area dependent update rate for digital camcorder transmission standard
12/28/1999US6008802 Method and apparatus for automatically performing a function based on the reception of information corresponding to broadcast data
12/28/1999CA2191555C Smart card message transfer without microprocessor intervention
12/28/1999CA2164897C Method and apparatus for channel spinning off a channel
12/23/1999WO1999066727A1 System and method for promoting viewer interaction in a television system
12/23/1999WO1999066725A1 Interactive television program guide with simultaneous watch and record capabilities
12/23/1999WO1999066722A1 Broadcasting method and broadcast receiver
12/23/1999WO1999066720A1 A method of and apparatus for handling high bandwidth on-screen-display graphics data over a distributed ieee 1394 network utilizing an isochronous data transmission format
12/23/1999WO1999066719A1 Techniques for intelligent video ad insertion
12/23/1999WO1999066454A1 A method of and apparatus for bitmap animation of on-screen-display graphics data over a distributed ieee 1394 network utilizing havi architecture and a clipping region having a visible window
12/23/1999CA2334831A1 System and method for promoting viewer interaction in a television system
12/22/1999EP0966164A2 Information transmitting apparatus and method, information receiving apparatus and method, apparatus for providing a computer readable program, and broadcasting system
12/22/1999EP0966156A1 Program switching device and method
12/22/1999EP0965192A1 Method and system for tracking network use
12/22/1999EP0965087A1 Multicasting method and apparatus
12/22/1999EP0965081A1 Architecture for convergence systems
12/21/1999US6006265 Hyperlinks resolution at and by a special network server in order to enable diverse sophisticated hyperlinking upon a digital network
12/21/1999US6006257 Multimedia architecture for interactive advertising in which secondary programming is varied based upon viewer demographics and content of primary programming
12/21/1999US6005938 Preventing replay attacks on digital information distributed by network service providers
12/21/1999US6005850 Hybrid access system with remote device monitoring scheme
12/21/1999US6005636 System for setting user-adjustable image processing parameters in a video system
12/21/1999US6005631 Methods and apparatus for organizing and searching an electronic programming guide
12/21/1999US6005630 Method and apparatus for displaying images representing network application data along with interlaced images encoded in television signals.
12/21/1999US6005620 Statistical multiplexer for live and pre-compressed video
12/21/1999US6005605 Television distribution system and method
12/21/1999US6005603 Control of a system for processing a stream of information based on information content
12/21/1999US6005600 High-performance player for distributed, time-based media
12/21/1999US6005597 Method and apparatus for program selection
12/21/1999US6005565 Integrated search of electronic program guide, internet and other information resources
12/21/1999US6005563 User interface for controlling audio functions in a web browser
12/21/1999US6005561 Interactive information delivery system
12/21/1999US6005544 Digital display unit in a computer system for enabling a user to conveniently select a desired monitor mode for displaying images encoded in a received analog display signal
12/16/1999WO1999065243A1 Mpeg encoding technique for encoding web pages
12/16/1999WO1999065237A1 Television program recording with user preference determination
12/16/1999CA2751706A1 Television program recording with user preference determination
12/16/1999CA2751541A1 Television program recording with user preference determination
12/16/1999CA2335025A1 Television program recording with user preference determination
12/16/1999CA2334943A1 Mpeg encoding technique for encoding web pages
12/15/1999EP0964578A2 Method and apparatus for frame accurate access of digital audio-visual information
12/15/1999EP0964576A1 Method and arrangement for receiving digital video signals
12/15/1999EP0963658A2 Group based control scheme for video compression
12/15/1999CN1238886A Method of processing encrypted video data for generating decrypted program data
12/15/1999CN1238885A Decoding apparatus/method and data format for processing and storing encrypted video data
12/14/1999US6003041 Method and managing multiple channel maps from multiple input devices in a multimedia system
12/14/1999US6002832 Apparatus and method for recording and reproducing data
12/14/1999US6002768 Distributed registration and key distribution system and method
12/14/1999US6002687 MPEG transport stream remultiplexer
12/14/1999US6002455 Digital data transfer apparatus using packets with start and end synchronization code portions and a payload portion
12/14/1999US6002441 Audio/video subprocessor method and structure
12/14/1999US6002393 System and method for delivering targeted advertisements to consumers using direct commands
12/14/1999US6002386 Automatic contrast control of display device
12/14/1999CA2184247C Picture information encoding/decoding system
12/14/1999CA2091160C User interface for television schedule system
12/09/1999WO1999063753A1 Channel selection method in an atsc/ntsc television receiver
12/09/1999WO1999063698A2 Synchronous network for digital media streams
12/09/1999WO1999032968A3 Apparatus and method for upgrading a computer system operating system
12/08/1999EP0963120A2 Automatic detection of HDTV video format
12/08/1999EP0963118A1 Method and apparatus for frame accurate access of digital audio-visual information
12/08/1999EP0963117A1 Method and apparatus for frame accurate access of digital audio-visual information
12/08/1999EP0963114A1 System and method for subscriber controlled signal blocking
12/08/1999EP0963109A1 Interactive program guide systems and processes
12/08/1999EP0962929A2 Recording medium, recording apparatus and reproduction apparatus for selecting reproduction order of only specific digital data
12/08/1999EP0962097A1 Method of transferring media files over a communications network
12/08/1999EP0927490A4 Television schedule system with pop-up action menu and icons
12/08/1999CN1237854A Automatic detection of HDTV video format
12/08/1999CN1237765A Recording medium, recording apparatus and reproduction apparatus
12/07/1999US5999698 Multiangle block reproduction system
12/07/1999US5999569 Communication system
12/07/1999CA2179560C Cable television data path error analyzer
12/07/1999CA2176131C Interactive information services control system
12/02/1999WO1999062251A2 Method for storing compressed digital audio and video
12/02/1999WO1999062248A1 Module manager for interactive television system
12/02/1999WO1999062211A2 Apparatus and method for processing signals selected from multiple data streams
12/02/1999WO1999062033A1 Identification of features of multi-dimensional image data in hypermedia systems
12/02/1999WO1999055092A3 Apparatus and method for dynamic multiplexing
12/02/1999WO1999034599A9 System for dual-display interaction with integrated television and internet content
12/01/1999EP0961499A1 Predictive coding method and decoding method for dynamic image
12/01/1999EP0961201A2 Display control device and method
12/01/1999EP0662271B1 Apparatus and method for producing periodic synchronization references forming a synchronization signal
12/01/1999CN1237296A Method and device for multiplexing plurality of digital data flow into one global digital data flow, and method and device for demultiplexing one global digital data flow into plurality digital data f
12/01/1999CN1237065A Response capacity management in interactive broadcast systems
12/01/1999CN1047051C Communication control device and method for TV receiver
11/1999
11/30/1999US5996015 Method of delivering seamless and continuous presentation of multimedia data files to a target device by assembling and concatenating multimedia segments in memory
11/30/1999US5995708 Method and system for delivering audio and video information