Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
09/1998
09/08/1998US5805235 Bookmarking television program and channel selections
09/08/1998US5805230 Method for automatic programming of a tuner and device for implementation of the method
09/08/1998US5805220 System for transmitting a plurality of video programs simultaneously through a transmission channel
09/08/1998US5805204 System and method for communicating data and objective code for an interactive video guide system
09/08/1998US5805173 System and method for capturing and transferring selected portions of a video stream in a computer system
09/08/1998US5805156 Automated media capturing system
09/08/1998US5805153 Method and system for resizing the subtitles of a video
09/03/1998WO1998038831A1 Television control interface with electronic guide
09/03/1998WO1998038798A1 Device, system, and method for distributing video data
09/03/1998WO1998030025A3 Method and system for implementing interactive broadcast programs and commercials
09/02/1998EP0862331A1 Image encoding apparatus and image encoding method
09/02/1998EP0862328A1 An operations center to be used in television program delivery
09/02/1998EP0862327A2 Multi-function TV receiver
09/02/1998EP0862318A2 Distribution and usage rights enforcement
09/02/1998EP0861560A1 Output switching for load levelling across multiple service areas
09/02/1998EP0861535A2 Method and apparatus for dynamically controlling encoding parameters of multiplexed encoders in a multiplexed system
09/02/1998EP0861461A2 Systems and methods for secure transaction management and electronic rights protection
09/01/1998US5802461 Apparatus and method for timing recovery in vestigial sibeband modulation
09/01/1998US5802448 Method and apparatus for processing requests for interactive applications based on system resources
09/01/1998US5802394 Method for accessing one or more streams in a video storage system using multiple queues and maintaining continuity thereof
09/01/1998US5802301 System for load balancing by replicating portion of file while being read by first stream onto second device and reading portion with stream capable of accessing
09/01/1998US5802284 System and method using cover bundles to provide immediate feedback to a user in an interactive television environment
09/01/1998US5802239 Apparatus for reproducing data not successively located on a recording medium
09/01/1998US5802211 Method and apparatus for transmitting and utilizing analog encoded information
09/01/1998US5802119 Adaptive clock recovery apparatus for supporting multiple bit transmission rates
09/01/1998US5802107 For processing data elements to be inserted into a frame
09/01/1998US5802068 Multiplexing apparatus of a plurality of data having different bit rates
09/01/1998US5802063 Conditional access filter as for a packet video signal inverse transport system
09/01/1998US5802059 Signal receiving apparatus
09/01/1998US5801787 Television schedule system and method of operation for multiple program occurrences
09/01/1998US5801782 Analog video encoder with metered closed caption data on digital video input interface
09/01/1998US5801747 Method and apparatus for creating a television viewer profile
08/1998
08/27/1998WO1998037698A1 Scalable media delivery system
08/27/1998WO1998037697A1 An automatic timer event entry
08/27/1998WO1998037695A1 System and method for providing a full service television system
08/27/1998WO1998037694A1 System and method for providing a full service television system
08/27/1998WO1998037648A1 Video, data and telephony gateway
08/27/1998WO1998037481A1 Techniques for defining, using and manipulating rights management data structures
08/27/1998CA2643148A1 Technique for defining, using and manipulating rights management data structures
08/26/1998EP0860823A1 Apparatus having digital interface, network system employing the apparatus and copy protection method
08/26/1998EP0724794A4 Error detection and correction apparatus for an asynchronous transfer mode (atm) network device
08/26/1998CN1191653A Method of receiving compressed video signals
08/26/1998CN1191652A Method of sending and receiving compressed video signals
08/26/1998CN1191449A Terminal installation for displaying picture, regenerating method and recording medium therefor
08/25/1998US5799174 Staggered striping in multimedia information systems
08/25/1998US5799150 For use in a distributed multimedia network system
08/25/1998US5798995 Information recording medium and apparatus and method for recording and reproducing information
08/20/1998WO1998036577A1 Predictive coding method and decoding method for dynamic image
08/20/1998WO1998036559A1 Object-based audio-visual terminal and bitstream structure
08/20/1998WO1998036500A1 Decoder for trellis encoded interleaved data stream and hdtv receiver including said decoder
08/19/1998EP0859512A2 Sound-picture synchronous compression and synchronous reproduction system
08/19/1998CN1191052A Apparatus for decoding video signals encoded in different formats
08/19/1998CN1191050A Apparatus for demodulating and decoding video signals
08/18/1998US5797010 Multiple run-time execution environment support in a set-top processor
08/18/1998US5797001 Broadcast interactive multimedia system
08/18/1998US5796957 Network system and terminal apparatus
08/18/1998US5796949 Video data sending device and data high-rate returning device for sending a data through a computer network
08/18/1998US5796829 Conditional access system
08/18/1998US5796743 Data word indicator in a system for assembling transport data packets
08/13/1998WO1998028906A3 Set top device for targeted electronic insertion of indicia into video
08/12/1998EP0858230A1 Recording and producing an MPEG information signal on/from a record carrier
08/12/1998EP0858222A1 Apparatus and method for processing packets of program component data
08/12/1998EP0857390A1 Staggered stream support for video on demand
08/12/1998CN1190517A Electronic television program guide schedule system and method with data feed access
08/12/1998CN1190516A Security device managed access to information
08/12/1998CN1190311A Multiplexed data producing, encoded data reproducing, and clock conversion apparatus and method
08/11/1998US5794217 Apparatus and method for an on demand data delivery system for the preview, selection, retrieval and reproduction at a remote location of previously recorded or programmed materials
08/11/1998US5794119 Subscriber frequency control system and method in point-to-multipoint RF communication system
08/11/1998US5794115 Pay broadcasting system having a broadcasting station and a charging center
08/11/1998US5793880 Free space image communication system and method
08/11/1998US5793427 Processing system with delta-based video data encoding
08/11/1998US5793425 Method and apparatus for dynamically controlling encoding parameters of multiple encoders in a multiplexed system
08/11/1998US5793412 Data transmission apparatus of video-on-demand or near video-on-demand system
08/11/1998US5793366 Graphical display of an animated data stream between devices on a bus
08/11/1998US5793235 Circuit for improving timing conditions in a data processing unit
08/06/1998WO1998034408A1 Video encoder performing adaptive compression encoding in accordance with viewer information data
08/06/1998WO1998034378A1 A method and apparatus for incorporating an appliance unit into a computer system
08/06/1998CA2253190A1 A method and apparatus for incorporating an appliance unit into a computer system
08/05/1998EP0856994A2 Digital cable headend for cable television delivery system
08/05/1998EP0856993A2 Set top terminal for cable television delivery systems
08/05/1998EP0856227A1 Electronic television program guide schedule system and method with data feed access
08/05/1998EP0856226A2 Security device managed access to information
08/04/1998US5790935 Virtual on-demand digital information delivery system and method
08/04/1998US5790815 Computer system having a multimedia bus and comprising a centralized I/O processor which performs intelligent byte slicing
08/04/1998US5790794 Video storage unit architecture
08/04/1998US5790745 Variable transfer rate control coding apparatus, reproducing apparatus and recording medium
08/04/1998US5790677 System and method for secure electronic commerce transactions
08/04/1998US5790543 Apparatus and method for correcting jitter in data packets
08/04/1998US5790202 Integration of off-air and satellite TV tuners in a direct broadcast system
08/04/1998US5790179 Terminal for displaying video images on a display screen
08/04/1998US5790173 Advanced intelligent network having digital entertainment terminal or the like interacting with integrated service control point
08/04/1998US5790172 Server apparatus, subscriber apparatus and information on demand system
08/04/1998US5790171 Video dial tone network synchronization
08/04/1998US5790115 System for character entry on a display screen
08/04/1998US5790094 Apparatus for displaying machine operation guide
08/04/1998US5790072 Method and apparatus for reducing data delay within a multi-channel shared-circuit date processing environment
07/1998
07/30/1998WO1998033320A1 Method of transferring media files over a communications network
07/30/1998CA2279631A1 Method of transferring media files over a communications network
07/28/1998US5787472 Disk caching system for selectively providing interval caching or segment caching of vided data
07/28/1998US5787101 Smart card message transfer without microprocessor intervention