Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
05/2002
05/15/2002CN1349348A Digital TV frequency surfing system
05/15/2002CN1085008C Decoder for compressed and multiplexed video and audio data, application program executive unit and receiver for coded image and audio data
05/15/2002CN1085005C Arrangement and method for transmitting and receiving video signals
05/14/2002US6389593 Method of and apparatus for controlling transmission of information on programs
05/14/2002US6389487 Control of video device by multiplexing accesses among multiple applications requesting access based on visibility on single display and via system of window visibility rules
05/14/2002US6389471 Network broadcasting system for broadcasting audiovisual information to an identified audience
05/14/2002US6389402 Systems and methods for secure transaction management and electronic rights protection
05/14/2002US6389218 Method and apparatus for simultaneously producing compressed play and trick play bitstreams from a video frame sequence
05/14/2002US6389075 MPEG encoding technique for encoding web pages
05/14/2002US6389055 Integrating digital data with perceptible signals
05/14/2002US6388717 Digital television transmitting system having data and clock recovering circuit
05/14/2002US6388700 Video processing apparatus and method
05/14/2002US6388680 Multi-user extension mechanisms for client-server system
05/14/2002US6388670 Transmitter-receiver of three-dimensional skeleton structure motions and method thereof
05/14/2002CA2202538C Time compression/expansion without pitch change
05/10/2002WO2002037853A1 Filtering objectionable multimedia content
05/10/2002WO2002037851A2 Method and apparatus for generating television program recommendations based on prior queries
05/10/2002WO2002037843A1 Data receiver and data receiving method
05/10/2002WO2002037840A2 Method and apparatus for displaying program recommendations with indication of strength of contribution of significant attributes
05/10/2002WO2002037839A2 Method and apparatus for automatic generation of query search terms for a program recommender
05/10/2002WO2002037492A1 Content data, and its recording medium, recording method, recording apparatus, copying method, reproducing method, reproducing apparatus, and output method.
05/10/2002WO2002037474A1 User interface / entertainment device that simulates personal interaction and responds to user"s mental state and/or personality
05/10/2002WO2002037472A2 User interface for the administration of an external database
05/10/2002WO2002036224A1 Methods and apparatus for presenting interactive entertainment
05/10/2002WO2002013534A3 Low cost vsb encoder and rf modulator for supplying a substantially 6 mhz vsb signal to digital television receiver
05/10/2002WO2002007440A3 Audio-video data switching and viewing system
05/10/2002WO2002003682A3 Video memory manager for use in a video recorder and method of operation
05/10/2002WO2001091458A3 Interactive television application with watch lists
05/10/2002WO2001043445A3 System and method of transmitting data packets
05/10/2002CA2426576A1 Filtering objectionable multimedia content
05/09/2002WO2002037838A2 System and method for receiving digital and analog television signals
05/09/2002US20020056142 Portable apparatus for providing wireless media access and storage and method thereof
05/09/2002US20020056140 Television signal distributor apparatus, receiver apparatus, television signal transmission system and method
05/09/2002US20020056134 Transmission/reception integrated radio-frequency apparatus
05/09/2002US20020056130 Data broadcast program producing apparatus, a computer program for producing data broadcast programs, and a computer-readable recording medium storing the computer program
05/09/2002US20020056129 Trigger having a time attribute
05/09/2002US20020056123 Sharing a streaming video
05/09/2002US20020056121 Method and system for synchronizing content
05/09/2002US20020056119 Personal video channel system
05/09/2002US20020056115 Data transmission and receiving apparatus
05/09/2002US20020056106 Information processor, information processing method as well as broadcasting system and broadcasting method
05/09/2002US20020056101 Systems and methods for transporting, processing, storing and displaying eit and epg information in a television system context
05/09/2002US20020056100 A broadband data broadcasting service
05/09/2002US20020056098 Web browser system for displaying recently viewed television channels
05/09/2002US20020056096 Terminal apparatus and method for achieving interactive operations by displaying a desired piece of image information at high speed using cache memories, out of a large amount of image information sent in a one-way direction
05/09/2002US20020056094 System and method for promoting viewer interaction in a television system
05/09/2002US20020056090 Interactive graphical user interface for television set-top box
05/09/2002US20020056088 Contextual programming
05/09/2002US20020056087 Systems and methods for improved audience measuring
05/09/2002US20020056081 Apparatus and method for decoding digital image and audio signals
05/09/2002US20020054758 Reproducing apparatus and superimposing method
05/09/2002US20020054752 Video data recorder with personal channels
05/09/2002US20020054608 Forward error correction at MPEG-2 transport stream layer
05/09/2002US20020054244 Method, system and computer program product for full news integration and automation in a real time video production environment
05/09/2002US20020054206 Systems and devices for audio and video capture and communication during television broadcasts
05/09/2002US20020054108 Method and apparatus for indicating states of electronic devices
05/09/2002US20020054088 Real-time, interactive and personalized video services
05/09/2002US20020054087 Channel dancer
05/09/2002US20020054068 Systems and methods for reducing cut-offs in program recording
05/09/2002US20020054028 Bi-directional communication system, display apparatus, base apparatus and bi-directional communication method
05/09/2002US20020054020 Multimedia computer and television apparatus
05/08/2002EP1204277A2 Subliminally embedded keys in video for synchronization
05/08/2002EP1204244A1 Internet system capable of automatically selecting suitable channels
05/08/2002EP1204239A2 System for receiving audio or video broadcasts from the Internet
05/08/2002CN1348659A Digital broadcast program ordering
05/08/2002CN1348658A System and method for miniguide implementation
05/07/2002US6385745 Phase independent receiver and/or decoder
05/07/2002US6385673 System and method for adjusting performance of a media storage by decreasing a maximum throughput by a primary derate parameter to specify available & guaranteed rate parameters and determining ring buffer sizes for streams
05/07/2002US6385317 Method for providing a secure communication between two devices and application of this method
05/07/2002US6384862 Imaging system and method for interactive control of image quality
05/07/2002CA2266477C Apparatus for processing data elements to be inserted into a frame
05/02/2002WO2002035847A2 Apparatus and method for improving the quality of video communication over a packet-based network
05/02/2002WO2002035841A2 Context sensitive television menu
05/02/2002WO2002035840A1 Client-server system with filtering of audio-video content
05/02/2002WO2002035839A1 Signal splitter matrix for a cable modem termination system
05/02/2002WO2002035834A1 Information processor and information processing system
05/02/2002WO2002035833A1 Information distribution reproduction system, information distribution method, information reproduction method, information recording method, information distributing apparatus, information reproducing apparatus, information recording apparatus, recording medium, and work apparatus
05/02/2002WO2002035832A2 Trick-mode processing for digital video
05/02/2002WO2002035823A2 Interactive video manipulation
05/02/2002WO2002011440A3 Method and apparatus for generating television program recommendations based on similarity metric
05/02/2002WO2001078346A3 Resynchronizing media during streaming
05/02/2002WO2001071608A3 System, method and apparatus for controlling the dissemination of digital works
05/02/2002WO2001056291A3 Channel-based internet network
05/02/2002WO2001045325A3 System and method for tuning to an in-band channel and for identification via return-path
05/02/2002WO2001003424A9 Digital television system for reducing co-channel interference in 8 mhz channels
05/02/2002WO2000056057A9 Method and apparatus for cross-connection of video signals
05/02/2002US20020053090 Data receiving apparatus and data receiving method
05/02/2002US20020053089 Methods and apparatus for presenting interactive entertainment
05/02/2002US20020053088 Video server, control apparatus, control method, and recording medium
05/02/2002US20020053086 Television control system for universal control of hospital televisions
05/02/2002US20020053083 Methods and apparatus for presenting a digital video work customized to viewer preferences
05/02/2002US20020053082 Method and system for program guide delivery
05/02/2002US20020053077 Method and apparatus for collecting and providing viewer feedback to a broadcast
05/02/2002US20020053053 Data transmission apparatus and method
05/02/2002US20020052975 Network system and terminal apparatus
05/02/2002US20020052969 Internet system capable of automatically selecting suitable channels
05/02/2002US20020052864 System and method for searching and providing contents, and software storage media
05/02/2002US20020052746 Voice activated communication system and program guide
05/02/2002US20020052197 Cordless phone back link for interactive television system
05/02/2002US20020051581 Video signal encoder and video signal decoder