Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
11/2004
11/03/2004CN1543211A Video data recording/reproducing apparatus and video data management method for use in the same
11/03/2004CN1543193A Video synchronization
11/03/2004CN1543192A Data transmission apparatus, data reception apparatus, data communication system, and data communication administration server
11/03/2004CN1543115A A method for preventing network address translation (NAT) device from being attacked by network user
11/03/2004CN1174622C System and method for displaying near video on demand
11/03/2004CN1174620C Impulse pay per use method and system for data and multimedia service
11/03/2004CN1174617C 图像处理装置 The image processing apparatus
11/02/2004US6813643 Multimedia system with selectable protocol module including MPEG logic and docsis logic sharing a single tuner
11/02/2004US6813619 Storing and using personal profile from the remote
11/02/2004US6813435 Method for recording information for fast accessing an area on an optical recording medium
11/02/2004US6813283 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof
11/02/2004US6813238 Cable modem and cable modem system
11/02/2004US6812955 Multicast meeting unit and multicast meeting program
11/02/2004US6812864 Video scramble/descramble apparatus
11/02/2004CA2256632C An adaptive decoding system for processing encrypted and non-encrypted video data
10/2004
10/28/2004WO2004093440A1 Wireless av system, av system, wireless center, av output device, station selection method, station selection data generation method, control program, and computer-readable recording medium containing the control program
10/28/2004US20040216172 User interface for entertainment system setup
10/28/2004US20040216171 Remote monitoring system and method for interactive television data
10/28/2004US20040216170 Providing content interruptions
10/28/2004US20040216168 Evening planner
10/28/2004US20040216161 System and method for filtering interactive television data
10/28/2004US20040216160 Interactive program guide systems and processes
10/28/2004US20040215855 Electronic device, method for using electronic device, and electronic device system for reserving bus usage time on a bus to conduct communications between electronic devices
10/28/2004US20040214541 Apparatus and method for transmitting a television signal received in a mobile communication terminal
10/28/2004US20040212734 Graphics display system with video synchronization feature
10/27/2004EP1471745A1 Video synchronisation
10/27/2004EP1471743A1 Streaming system for distributing encrypted compressed image data and streaming method thereof
10/27/2004EP1471690A2 Method and apparatus for communicating in a home network
10/27/2004EP1470716A1 Multimedia on demand for use in a near on demand environment
10/27/2004EP1470715A1 Wideband direct-to-home broadcasting satellite communications system and method
10/27/2004EP1470713A1 A system and method for secure distribution and evaluation of compressed digital information
10/27/2004EP1470712A2 Remote control protocol for a local action to generate a command message
10/27/2004EP1470709A1 Trick modes for compressed video streams
10/27/2004EP1470708A2 Method for displaying epg video-clip previews on demand
10/27/2004CN1541478A Automatic commercial skipping service
10/27/2004CN1541377A Method and appts. for extending video content analysis to multiple channles
10/27/2004CN1541365A Systems and methods for providing targeted advertisements based on current activity
10/27/2004CN1540989A Client-server based interactive television program guide system
10/27/2004CN1540988A Client-server based interactive television program guide system
10/27/2004CN1540986A Method and device of transmitting received TV signals from mobile communication terminal
10/27/2004CN1540941A Receivery, communicator, receiving system and its reveiving method
10/27/2004CN1173568C Interactive television targeted message system
10/27/2004CN1173567C Encryption and decryption method for protecting data stream and coder and decoder
10/27/2004CN1173565C System for selecting, switching in and watching information section by television companion apparatus
10/27/2004CN1173561C Digital moving-image decoding device and decoding method thereof
10/27/2004CN1173556C Data processing device and method
10/27/2004CN1173512C Decoder for mult-data and decoding method thereof
10/26/2004USRE38641 Isochronous channel having a linked list of buffers
10/26/2004US6810483 Synchronizing data and function opcodes between an application layer having a first clock speed and a circuit having a slower clock speed
10/26/2004US6810453 Information transmitting apparatus and method, information receiving apparatus and method, and information transmitting/receiving apparatus and method
10/26/2004US6810423 Communication system
10/26/2004US6809609 Device for preventing mixing of extrinsic noise and protector
10/26/2004CA2342906C Method and apparatus for processing variable bit rate information in an information distribution system
10/26/2004CA2233462C A digital signal system having a sync confidence counter
10/26/2004CA2145898C Method for controlling execution of an audio video interactive program
10/21/2004WO2004091210A1 Moving picture processing device, information processing device, and program thereof
10/21/2004WO2004091202A1 Moving picture processing device, information processing device, and program thereof
10/21/2004WO2004091201A1 Moving picture processing device, information processing device, and program thereof
10/21/2004WO2004071106A3 Method for storing and transmitting data generated by a security module
10/21/2004WO2003043332A3 Method and apparatus for recommending items of interest to a user based on recommendations of one or more third parties
10/21/2004WO2003003342A8 A subscriber television system user interface with a virtual reality media space
10/21/2004US20040210946 Index structure of metadata, method for providing indices of metadata, and metadata searching method and apparatus using the indices of metadata
10/21/2004US20040210937 Methods of transmitting and receiving compressed television signals
10/21/2004US20040210922 Method and apparatus for identifying a digital audio dignal
10/21/2004US20040210824 Interactive entertainment system for presenting supplemental interactive content together with continuous video programs
10/21/2004US20040210652 Data transmission apparatus, data reception apparatus, data communication system, and data communication administration server
10/21/2004US20040210633 Method and system for restricting access to user resources
10/21/2004US20040210571 Index structure of metadata, method for providing indices of metadata, and metadat searching method and apparatus using the indices of metadata
10/21/2004US20040207720 Face information transmission system
10/21/2004US20040207644 Graphics display system with anti-flutter filtering and vertical scaling feature
10/20/2004EP1469679A1 Use-related billing for Pay TV
10/20/2004EP1469676A1 Interactive program guide systems and processes
10/20/2004EP1469475A1 Method and apparatus of recording a multi-channel stream, and a recording medium containing a multi-channel stream recorded by said method
10/20/2004EP1468561A2 Time division partial encryption
10/20/2004EP1468557A1 Program position user interface for pvr buffer
10/20/2004EP1468378A2 Personal adaptive memory system
10/20/2004EP1327359B1 Processor allocation for channels in a video multi-processor system
10/20/2004EP0966839B1 In-camera image marking and authentication
10/20/2004CN1539243A MPEG-4 remote communication device
10/20/2004CN1539242A MPEG-4 remote communication device
10/20/2004CN1539241A MPEG-4 remote communication device
10/20/2004CN1538709A Network control system for home appliances
10/20/2004CN1538689A Network control system for home appliances
10/20/2004CN1172536C Method and device for using time alignment coding audio block for audio switching in video/audio
10/20/2004CN1172524C Method and apparatus for providing modulated scroll rate for text display
10/20/2004CN1172499C Digital residual side band transmission systems
10/19/2004US6807585 Method and system for parsing section data
10/19/2004US6807232 System and method for multiplexing synchronous digital data streams
10/19/2004US6807191 Decoder for compressed and multiplexed video and audio data
10/19/2004US6806913 Apparatus and method for processing additional information in data broadcast system
10/19/2004US6806887 System for integrating personalized data with visual content
10/19/2004CA2374530C Scaleable video system having shared control circuits for sending multiple video streams to respective sets of viewers
10/19/2004CA2355310C Video tape indexing system and method
10/19/2004CA2280161C Vsb encoder and rf modulator for digital television receiver
10/14/2004WO2004088987A1 Digital terrestrial broadcasting system, digital terrestrial broadcasting right protection device, digital terrestrial broadcasting right protection method, and program
10/14/2004US20040205339 System and method for delivering high-performance online multimedia services
10/14/2004US20040205224 Method and apparatus for media data transmission
10/14/2004US20040205220 Information processing apparatus and data transfer method for use in the same
10/14/2004US20040205218 Program-related information fetch system and method
10/14/2004US20040205199 Communication of compressed digital images with restricted access and server/client hand-offs