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)
12/2000
12/13/2000EP1059001A1 Method for protecting the audio/visual data across the nrss inte rface
12/13/2000EP1058999A1 Program guide system with targeted advertising
12/13/2000EP1058998A1 Program guide system with preference profiles
12/13/2000EP1058893A1 Appliances with multiple modes of operation
12/13/2000EP0906693A4 Conditional access system for local storage device
12/13/2000CN1276936A Post-compression hidden data transport for video
12/13/2000CN1276686A Operating center of TV program packaging and sending system
12/13/2000CN1276685A Advanced set top terminal of cable TV sending system
12/13/2000CN1276684A Advanced set top terminal of cable TV sending system
12/13/2000CN1276683A Advanced set top terminal of cable TV sending system
12/13/2000CN1276682A Advanced set top terminal of cable TV sending system
12/12/2000US6161137 Method and system for providing a presentation on a network
12/12/2000US6161011 Hybrid fiber coax communications systems
12/12/2000US6160915 Coded signal transmission method and apparatus
12/12/2000US6160890 Secret key transfer method which is highly secure and can restrict the damage caused when the secret key is leaked or decoded
12/12/2000US6160847 Detection mechanism for video channel underflow in MPEG-2 video decoding
12/12/2000US6160587 Waveform generator for insertion of data into digital television signals
12/12/2000US6160585 System for selective multicasting in a communications system
12/12/2000US6160570 Digital television system which selects images for display in a video sequence
12/12/2000US6160551 Graphical user interface for displaying and manipulating objects
12/12/2000US6160547 Shared video data storage system with separate video data and information buses
12/12/2000US6160546 Program guide systems and methods
12/12/2000US6160545 Multi-regional interactive program guide for television
12/07/2000WO2000074383A1 Sharing open sessions between plural settop terminals
12/07/2000WO2000074382A1 Method and apparatus for server broadcast of time-converging multi-media streams
12/07/2000WO2000074373A1 Scaleable video system having shared control circuits for sending multiple video streams to respective sets of viewers
12/07/2000WO2000074367A2 Method of optimizing near-video-on-demand transmission
12/07/2000WO2000073918A1 System and method for vdsl real time response to video programming
12/07/2000WO2000073758A1 Method and apparatus for user-time-alignment for broadcast works
12/07/2000WO2000042512A9 Integration of telephone return link using fiber and cable media
12/06/2000EP1058454A2 Intelligent scheduled recording and program reminders for recurring events
12/06/2000EP1058262A2 Encoding and multiplexing of video streams
12/06/2000EP1057331A2 Variable rate video playback with synchronized audio
12/06/2000EP1057143A2 A method of relaying digital video and audio data via a communication media
12/06/2000CN1275866A Reprogrammable terminal for recommended program in television program transmission system
12/06/2000CN1275856A Video indicator with rotation indication function on screen
12/05/2000US6158005 Cloning protection scheme for a digital information playback device
12/05/2000US6157949 Data placement on direct access devices for media servers with cyclic re-broadcast capability
12/05/2000US6157948 Program reception/execution apparatus which can start execution of program even when only part of program is received, and program transmitter for it
12/05/2000US6157675 Image transmission device and image transmission method
12/05/2000US6157674 Audio and video data transmitting apparatus, system, and method thereof
12/05/2000US6157673 Fast extraction of program specific information from multiple transport streams
12/05/2000US6157413 Interactive special events video signal navigation system
12/05/2000US6157411 Method and apparatus for compiling a repository of entertainment system data from multiple sources
12/05/2000US6157377 Method and apparatus for purchasing upgraded media features for programming transmissions
11/2000
11/30/2000WO2000072596A1 Wireless television system with portable display
11/30/2000WO2000072594A1 Multimedia client and server
11/30/2000WO2000072592A1 Methods and apparatus for information broadcasting and reception
11/30/2000WO2000072586A2 Programming interface for television settop core system software
11/30/2000CA2373841A1 Programming interface for television settop core system software
11/29/2000EP1055326A1 Method and apparatus for searching channels
11/29/2000EP1055176A2 Access control system
11/29/2000CN1275289A Apparatus and method of splicing digital video streams
11/29/2000CN1275031A Cable TV scrambling and descrambling method
11/29/2000CN1275024A Channel sorting and selecting method for TV set screen
11/28/2000US6154780 Method and apparatus for transmission of a flexible and error resilient video bitstream
11/28/2000US6154771 Real-time receipt, decompression and play of compressed streaming video/hypervideo; with thumbnail display of past scenes and with replay, hyperlinking and/or recording permissively intiated retrospectively
11/28/2000US6154633 Method and apparatus for upgrading features and functions of a set top box in the field
11/28/2000US6154496 Video buffer for seamless splicing of MPEG streams
11/28/2000US6154489 Adaptive-rate coded digital image transmission
11/28/2000US6154468 Fast sync-byte search scheme for packet framing
11/28/2000US6154466 Data transmitting system
11/28/2000US6154456 Apparatus and method for digital data transmission using orthogonal codes
11/28/2000US6154209 Graphical user interface with method and apparatus for interfacing to remote devices
11/28/2000US6154206 Method and apparatus for distributed conditional access control on a serial communication network
11/28/2000US6154205 Navigating web-based content in a television-based system
11/28/2000US6154203 System and method for grazing television channels from an electronic program guide
11/28/2000CA2176484C Device and method of signal loss recovery for realtime and/or interactive communications
11/23/2000WO2000070867A1 Download system for consumer electronic devices
11/23/2000WO2000070840A2 Method for delivery of ip data over mpeg-2 transport networks
11/23/2000WO2000070799A1 Streaming media automation and distribution system for multi-window television programming
11/23/2000WO2000070796A1 Remote control incorporating self test capability
11/23/2000WO2000070473A1 Entertainment/information system having disparate interactive devices
11/23/2000WO2000039947A3 A broadcast data access system for multimedia clients in a broadcast network architecture
11/23/2000CA2371458A1 Download system for consumer electronic devices
11/22/2000EP1053642A1 A host apparatus for simulating two way connectivity for one way data streams
11/22/2000EP0789970B1 Information handling for interactive apparatus
11/22/2000CN1274505A Systems and methods for replacing television signals
11/22/2000CN1274504A Method and system for preventing unauthorizd playback of broadcasted digital data streams
11/21/2000US6151490 Methods and systems for providing audio and video telephone communications using a personal computer and a television
11/21/2000US6151444 Motion picture including within a duplication of frames
11/21/2000US6151334 System and method for sending multiple data signals over a serial link
11/21/2000US6151296 Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals
11/21/2000US6151059 Electronic program guide with interactive areas
11/21/2000CA2164896C Context-based transactions using broadcast advertising
11/16/2000WO2000069176A1 Control method and control device
11/16/2000WO2000069170A1 Automatic psip detection system and method
11/16/2000WO2000069163A2 Advertisement subgroups for digital streams
11/16/2000WO2000069104A2 Rf return optical transmission
11/16/2000WO2000069098A1 Improved c/n performance of bandwidth limited broadband two-way transmission of rf signals
11/16/2000WO2000068946A1 Data structure of stream data, and method of recording and reproducing stream data
11/16/2000WO2000068840A2 Architecture and application programming interfaces for java-enabled mpeg-4 (mpeg-j) systems
11/16/2000WO2000033561A3 Interactive video programming methods
11/16/2000CA2371123A1 Improved c/n performance of bandwidth limited broadband two-way transmission of rf signals
11/15/2000EP1051848A1 Apparatus and method for digital advertisement insertion in a bitstream
11/15/2000EP0882357A4 Copy protect recording and playback system
11/15/2000EP0696402B1 Method of automatically programming a tuner
11/15/2000CN1273746A Transcoding of data stream
11/15/2000CN1273741A 先进的电视系统 Advanced Television Systems
11/15/2000CN1273740A Receiver and transmitter-receiver
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