Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand]
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
06/1998
06/11/1998WO1998025405A2 Variable rate video playback with synchronized audio
06/09/1998US5765186 Data storage apparatus including parallel concurrent data transfer
06/09/1998US5765164 Apparatus and method for management of discontinuous segments of multiple audio, video, and data streams
06/09/1998US5764965 Synchronization infrastructure for use in a computer system
06/09/1998US5764893 Video-on-demand system uses adjusting positions of slots in a slot table to address additional image data distribution request from terminal devices
06/09/1998US5764764 Video signal format converting circuit
06/09/1998US5764293 Method of encoding video using master and slave encoders wherein bit budgets for frames to be encoded are based on encoded frames
06/09/1998US5764275 Method for preventing cheating on an interactive presentation system
06/04/1998WO1998024237A1 A decoding apparatus/method and data format for processing and storing encrypted video data
06/04/1998WO1998024236A1 Method of processing encrypted video data for generating decrypted program data
06/04/1998WO1998024186A2 Semiconductor imaging sensor with on-chip encryption
06/04/1998WO1998024032A1 System and method for scheduling and processing image and sound data
06/03/1998EP0845872A2 Transmission of wideband signals in a net with stationary signal interference
06/03/1998EP0845188A1 Television schedule system with enhanced features
06/03/1998EP0845176A1 Dynamic allocation of bandwidth for transmission of audio signals and a video signal
06/03/1998EP0830784A4 System for providing closed captioning to an electronic discussion group
06/03/1998CN1183841A System and method for secure transaction management and electronic rights protection
06/03/1998CN1038634C Channel memory device and method therefor
06/02/1998US5761607 System for local processing/accessing and representation of large volumes of data
06/02/1998US5761606 Media online services access via address embedded in video or audio program
06/02/1998US5761601 Video distribution of advertisements to businesses
06/02/1998US5761438 Apparatus for measuring the amount of traffic of a network at a predetermined timing and compressing data in the packet without changing the size of the packet
06/02/1998US5761417 Video data streamer having scheduler for scheduling read request for individual data buffers associated with output ports of communication node to one storage node
06/02/1998US5761304 Video signal format converting circuit
06/02/1998US5761210 Signal processing apparatus and method
06/02/1998US5760823 Video messaging arrangement
06/02/1998US5760821 Electronic program guide schedule localization system and method
05/1998
05/28/1998WO1998023093A1 Method and apparatus for modifying tables of data
05/28/1998WO1998023092A1 Field identification system
05/28/1998WO1998023059A2 Remote upgrade of software over a network
05/27/1998EP0843937A1 Data processing system
05/27/1998CN1183198A Information terminal having reconfigurable memory
05/27/1998CA2218743A1 Transmitting/receiving facility and method for transmitting broadband signals as well as transmitting/receiving facility for receiving broadband signals
05/26/1998US5758259 Automated selective programming guide
05/26/1998US5758258 Selective delivery of programming for interactive televideo system
05/26/1998US5758257 System and method for scheduling broadcast of and access to video programs and other data using customer profiles
05/26/1998US5758085 Semiconductor memory based server for providing multimedia information on demand over wide area networks
05/26/1998US5758076 Multimedia server system having rate adjustable data retrieval based on buffer capacity
05/26/1998US5758012 Digital video signal processing system for transmission and recording
05/26/1998US5758011 Apparatus for reproducing data containing time information
05/26/1998US5758007 Image information encoding/decoding system
05/26/1998US5757909 Illegal view and copy protection method in digital video system and controlling method thereof
05/26/1998US5757441 Method and apparatus for performing automatic channel selection and automatic tuner diagnosis in a double-tuner television receiver
05/26/1998US5757437 Apparatus and method for displaying caption broadcast and teletext on the screen of a double-wide television
05/26/1998US5757417 Method and apparatus for screening audio-visual materials presented to a subscriber
05/26/1998US5757416 System and method for transmitting a plurality of digital services including imaging services
05/26/1998US5757415 On-demand data transmission by dividing input data into blocks and each block into sub-blocks such that the sub-blocks are re-arranged for storage to data storage means
05/22/1998WO1998021877A2 Means for creating a television viewer profile
05/22/1998WO1998021846A1 Method and device for multiplexing a plurality of digital data flows into one global digital data flow, and method and device for demultiplexing one global digital data flow into a plurality a digital data flows
05/22/1998WO1998021664A1 Computer network chat room based on channel broadcast in real time
05/22/1998WO1998016067A3 Apparatus and method for multi-service transport multiplexing
05/20/1998EP0843486A2 Time-stamp updating method in a digital data stream and remultiplexing
05/20/1998EP0843483A2 A method for decoding encoded video data
05/20/1998EP0803163A4 A multiplexer system using constant bit rate encoders
05/20/1998EP0756790A4 Asynchronous control signal generating apparatus
05/20/1998EP0756788A4 Parameter sampling apparatus
05/20/1998CN1182329A Digital broadcasting system using virtual channels
05/20/1998CN1182328A Digital broadcasting system, digital broadcaster and receiver in digital broadcast thereof
05/19/1998US5754939 System for generation of user profiles for a system for customized electronic identification of desirable objects
05/19/1998US5754938 Pseudonymous server for system for customized electronic identification of desirable objects
05/19/1998US5754882 Method for scheduling I/O transactions for a data storage system to maintain continuity of a plurality of full motion video streams
05/19/1998US5754807 Computer system including a multimedia bus which utilizes a separate local expansion bus for addressing and control cycles
05/19/1998US5754783 Apparatus and method for interleaving timed program data with secondary data
05/19/1998US5754770 Information handling for interactive apparatus
05/19/1998US5754729 Apparatus for controlling the decoding operation in accordance with discontinuity in the stored data
05/19/1998US5754651 Processing and storage of digital data and program specific information
05/19/1998US5754553 Packet conversion apparatus and system
05/19/1998US5754258 Program switching device and method
05/14/1998WO1998020678A1 Multiple user profile remote control
05/14/1998WO1997047143A3 Web browser allowing navigation between hypertext objects using remote control
05/14/1998CA2271058A1 Multiple user profile remote control
05/13/1998EP0840962A1 Method of determining a receiver time at the moment of reception of a transmission time mark in received data elements
05/12/1998US5752160 Interactive entertainment network system and method with analog video startup loop for video-on-demand
05/12/1998US5751883 Multimedia direct access storage device and formatting method
05/12/1998US5751712 Technique for efficiently allocating bandwidth to multimedia calls in a communications system
05/12/1998US5751694 Methods and apparatus for synchronizing temporally related data streams
05/12/1998US5751372 Method and apparatus for navigating an on-screen program guide
05/12/1998US5751335 Viewing restricting method and viewing restricting apparatus
05/12/1998US5751282 System and method for calling video on demand using an electronic programming guide
05/12/1998US5751281 Apparatus and method for storing a movie within a movie
05/12/1998US5751280 System and method for media stream synchronization with a base atom index file and an auxiliary atom index file
05/07/1998WO1998019263A1 Data distribution system
05/07/1998CA2270217A1 Data distribution system
05/06/1998EP0840520A2 Circuitry for identifying packets of digital data
05/06/1998EP0840518A2 MPEG transport stream parser system
05/06/1998EP0840508A1 Method and apparatus for encoding and decoding image information
05/06/1998EP0840477A2 Secret key transfer method which is highly secure and can restrict the damage caused when the secret key is leaked or decoded
05/06/1998EP0839428A1 Reconfigurable on-demand telephone and data line system
05/05/1998US5748842 Synchronizing digital audio to digital video
05/05/1998US5748333 Image communication apparatus having the function of ECM (error correction mode communication)
05/05/1998US5748254 Systems with a remote control in which information can be retrieved from an encoded, laser readable disc
05/05/1998US5748249 Variable transfer rate control coding apparatus
04/1998
04/30/1998WO1998018261A1 A method and apparatus for enhancing the broadcast of a live event
04/30/1998WO1998018260A1 Method and apparatus for masking the effects of latency in an interactive information distribution system
04/30/1998WO1998018259A1 Television browsing system and method
04/30/1998WO1998018233A1 Fast sync-byte search scheme for packet framing
04/30/1998WO1997004584A3 Method of receiving compressed video signals
04/29/1998EP0838958A1 Consumer interface for a digital television system
04/29/1998EP0838957A2 Data inserting apparatus in a digital video broadcasting system
04/29/1998EP0838948A1 Multimedia optical disk, reproducing device, and reproducing method capable of superposing sub-video upon main video in well-balanced state irrespective of position of main video on screen
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