Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
06/2000
06/28/2000EP1013081A1 A system for forming and processing text data for use in program specific information for broadcast
06/28/2000EP0692123B1 Synchronized clocks and media players
06/28/2000CN1258170A Digital broadcast receiving system and device
06/27/2000US6081830 Automatic linking to program-specific computer chat rooms
06/27/2000US6081794 Data copyright management system
06/27/2000US6081693 Television and radio information pager
06/27/2000US6081650 Transport processor interface and video recorder/playback apparatus in a field structured datastream suitable for conveying television information
06/27/2000US6081526 Apparatus and methods for transmitting an MPEG information signal, and a method for reproducing that signal
06/27/2000US6081300 Apparatus and method for generating on-screen-display messages using stored bitstreams
06/27/2000US6081263 System and method of a user configurable display of information resources
06/27/2000US6081208 Image information encoding/decoding system
06/27/2000US6079566 System and method for processing object-based audiovisual information
06/22/2000WO2000036836A1 A method and a system relating to digital television and broadcasting
06/22/2000WO2000036834A1 Video tape indexing system and method
06/22/2000WO2000036829A1 Method and apparatus for searching channels
06/22/2000WO2000036823A1 Digital television broadcast receiver
06/22/2000WO2000036774A1 A web-based video-editing method and system using a high-performance multimedia software library
06/22/2000WO2000036540A1 Information and entertainment programming broadcast system and device
06/22/2000WO1999060741A9 Method for minimizing pirating or unauthorized copying of data
06/22/2000CA2354559A1 A web-based video-editing method and system using a high-performance multimedia software library
06/21/2000EP1011268A1 Optical disc for recording high resolution and normal image, optical disc player, optical disc recorder, and playback control information generator
06/21/2000EP1010323A1 Verification of the source of program of information in a conditional access system
06/21/2000EP1010321A1 Programme generation
06/21/2000EP1010318A1 Object-based audio-visual terminal and bitstream structure
06/21/2000EP1010273A1 Video, data and telephony gateway
06/21/2000EP1010068A1 Downloading a computer file from a transmitter via a receiver/decoder to a computer
06/21/2000EP1010056A2 Multiple-screen video adapter with television tuner
06/20/2000US6078896 Video identification for forecourt advertising
06/20/2000US6078783 Digital tuner having IEEE 1394 serial bus interface for providing a plurality of selected programs as a functional unit
06/20/2000US6078594 Protocol and procedure for automated channel change in an MPEG-2 compliant datastream
06/20/2000US6078349 Process and system for increasing the display resolution of a point-to-point video transmission relative to the actual amount of video data sent
06/20/2000US6078348 Television schedule system with enhanced features
06/15/2000WO2000035201A1 Multimedia presentation latency minimization
06/15/2000WO2000013419A3 Dynamic bit allocation for statistical multiplexing of compressed and uncompressed digital video signals
06/15/2000WO2000006531A3 Nitric esters and nitrate salts of specific drugs
06/14/2000EP1009166A2 Splicing of video data in progressively refreshed video streams
06/14/2000EP1009162A2 System and apparatus for a digital audio/video decoder
06/14/2000EP0891670B1 Method for providing a secure communication between two devices and application of this method
06/14/2000CN1256844A Small-format subsystem for broadband communication services
06/14/2000CN1256843A System for forming and processing MPEG compatible datastream incorporating internet information
06/14/2000CN1256842A System for collating data from multiple sources to form composite program guide for display
06/14/2000CN1256841A System for acquiring information requested by user via program guide selection
06/14/2000CN1256840A System for processing and decoding MPEG compatible data and internet information
06/14/2000CN1256782A Edit system, edit control device and edit control method
06/14/2000CN1256583A Video/audio in cooperation with video/audio broadcasting and graphic demonstrating system
06/13/2000US6075972 CATV network and cable modem system having a wireless return path
06/13/2000US6075971 Method and apparatus for providing and monitoring coupons via a network
06/13/2000US6075920 Method and apparatus for recording/ reproducing data and subcode information onto/from a recording medium
06/13/2000US6075817 Compressive communication and storage system
06/13/2000US6075575 Remote control device and method for using television schedule information
06/13/2000US6075570 Electronic program guide system and electronic guide displaying method
06/13/2000US6075568 Apparatus of storing URL information transmitted via vertical blanking interval of television signal
06/13/2000US6075551 Video promotion system with flexible local insertion capabilities
06/13/2000US6075550 Censoring assembly adapted for use with closed caption television
06/13/2000US6075526 Method and apparatus for sorting and searching a television program guide based on user profile
06/13/2000CA2213448C Multi-media server
06/08/2000WO2000033578A1 Method and system for presenting television programming and interactive entertainment
06/08/2000WO2000033567A1 Method and apparatus for simultaneously producing compressed play and trick play bitstreams from a video frame sequence
06/08/2000WO2000033565A2 Video on demand methods and systems
06/08/2000WO2000033561A2 Interactive video programming methods
06/08/2000WO2000033552A1 System and method for ip-based communication having speech generated text
06/08/2000WO2000033532A2 Method and apparatus for delivery of a bytecode embedded within a transport stream
06/08/2000WO2000033495A1 Broadband circuit identification method for controlling service access
06/08/2000WO2000033224A1 Smart agent based on habit, statistical inference and psycho-demographic profiling
06/08/2000CA2847138A1 Electronic program guide with related-program search feature
06/08/2000CA2796218A1 Search engine for video and graphics
06/08/2000CA2352302A1 Smart agent based on habit, statistical inference and psycho-demographic profiling
06/07/2000EP1006729A2 Data recording and/or reproducing apparatus, method, and system and recording medium
06/07/2000EP1006482A2 Encoding separately image object and its boundary
06/07/2000EP1005724A1 Post-compression hidden data transport for video
06/07/2000CN1256046A Image transmitting method, image processing method, image processor, data storage medium
06/07/2000CN1256045A Method of transferring media files over communications network
06/07/2000CN1256044A VSB encoder and RF modulator for digital television receiver
06/07/2000CN1255807A Receiving, recording and reproduction system for digital broadcasting, and receiving appts. for digital broadcasting
06/07/2000CN1255806A System for processing programs and parameter information from multiple broadcasting source
06/07/2000CN1255805A TV control method with regulating mode reset function
06/06/2000US6073235 Private broadcast communication system and method for private broadcast communication over a wired or wireless network
06/06/2000US6073171 Two-way communication protocol for a web television
06/06/2000US6073168 Method for reducing delivery latency of an image or other secondary information associated with a file
06/06/2000US6072934 Video previewing method and apparatus
06/06/2000US6072839 DVB frame synchronization
06/06/2000US6072835 Variable transfer rate control coding apparatus
06/06/2000US6072808 Method of providing and retrieving a data segment
06/06/2000US6072535 Sidebox display channel loop controller
06/06/2000US6072483 Active frame scroll interface
06/06/2000US6072470 Remote control apparatus
06/06/2000US6072460 Systems and methods for presenting a television program guide
06/06/2000US6072442 Local communication system and station for use in such a system
06/02/2000WO2000031977A1 Multimedia stream incorporating interactive support for multiple types of subscriber terminals
06/02/2000WO2000031975A1 System and method for detecting and correcting a defective transmission channel in an interactive information distribution system
06/02/2000WO2000031972A1 Navigational user interface for interactive television
06/02/2000WO2000031971A1 Stream allocation
06/02/2000WO2000011561A9 System and method for a master scheduler
05/2000
05/31/2000EP1005232A2 Rate control for an MPEG transcoder without a priori knowledge of picture type
05/31/2000EP1004206A1 Graphic scene animation signal, corresponding method and device
05/31/2000EP1004201A1 Channel changer for use in a switched digital video system
05/31/2000EP1004068A1 Techniques for defining, using and manipulating rights management data structures
05/31/2000CN1255210A Hierarchical menu graphical user interface
05/31/2000CN1255022A Rate control system of MPEG code converter under condition that picture type is not understood in advance
05/30/2000US6070186 Video server and video-on-demand system capable of effectively transmitting a special video program