Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
10/2003
10/09/2003CA2480853A1 Item display
10/09/2003CA2479585A1 Data structure for data streaming system
10/08/2003EP1351246A2 System and method for copy protection for digital signals
10/08/2003EP1351245A2 System and method for copy protection for digital signals
10/08/2003EP1351244A2 System and method for copy protection for digital signals
10/08/2003EP1350393A2 System and method of selective advertising on a tv channel
10/08/2003EP1350392A2 Method of sizing an embedded media player page
10/08/2003EP1350388A1 Multimedia appliance
10/08/2003EP1350386A2 Portal for a communications system
10/08/2003EP1350384A2 Methods and apparatus for securely transmitting and processing digital image data
10/08/2003EP1350166A2 Method of disseminating advertisements using an embedded media player page
10/08/2003CN1447600A Appts. of conditional access information
10/08/2003CN1124033C Electronic program guide using markup language
10/07/2003US6631523 Electronic program guide with hyperlinks to target resources
10/07/2003US6631403 Architecture and application programming interfaces for Java-enabled MPEG-4 (MPEG-J) systems
10/07/2003US6631241 Recording medium for which a sub-picture can be favorably superimposed on a main image, and a reproduction apparatus and a reproduction method for the recording medium
10/07/2003US6630964 Multi-standard channel decoder for real-time digital broadcast reception
10/07/2003US6630963 Synchronizing a video program from a television broadcast with a secondary audio program
10/07/2003US6630945 Graphics display system with graphics window control mechanism
10/07/2003US6630934 Apparatus and method for storing a movie within a movie
10/07/2003CA2254130C Multicasting method and apparatus
10/07/2003CA2182343C Multimedia information processing apparatus
10/05/2003CA2380702A1 Method and apparatus for location dependent software applications
10/02/2003WO2003081472A1 Information processing apparatus and method
10/02/2003WO2003081438A1 Information image utilization system, information image management server, information image management method, device information image, program, and recording medium
10/02/2003WO2003081437A1 Information image utilization system, information image management device, information image management method, content information image, program, and recording medium
10/02/2003WO2003081380A2 System and method for synchronizing interaction of a communication network with a broadcasting network
10/02/2003US20030188321 System and method for linking video, services and applications in an interactive television system
10/02/2003US20030188314 Electronic television program guide schedule system and method with remote product ordering
10/02/2003US20030188310 Method and system for displaying advertisements in an electronic program guide
10/02/2003US20030188309 Simulated PIP window in EPG
10/02/2003US20030188308 Advertisement inserting method and system is applied the method
10/02/2003US20030188154 System and method for pre-encryption of transmitted content
10/02/2003US20030185546 Broadcasting receiver for receiving and regenerating records of digital broadcasting
10/02/2003US20030185545 User interface for television schedule system
10/02/2003US20030185252 Multiplexing compressed signals
10/02/2003US20030185235 Digital broadcast receiving apparatus
10/02/2003US20030184905 Recording medium and apparatus for protecting copyrighted digital data
10/02/2003US20030184904 Recording medium and apparatus for protecting copyrighted digital data
10/01/2003EP1349045A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349044A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349042A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349041A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349040A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349039A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1348303A2 System and method for sending out-of-band service information to a host service
10/01/2003EP1348302A1 Method and system for control of broadcast content access
10/01/2003EP1348301A1 Catching of multimedia data in digital television receiving equipment
10/01/2003EP1348299A2 Apparatus and method of program classification using observed cues in the transcript information
10/01/2003EP1348298A2 System and method for accessing a multimedia summary of a video program
10/01/2003EP1348269A2 System and method for broadcasting advertisements
10/01/2003EP1348194A2 System and method for switching voltage
10/01/2003EP1348182A2 Statistical metering and filtering of content via pixel-base metadata
10/01/2003EP1348168A1 Method of collecting data using an embedded media player page
10/01/2003EP1348151A2 System and method for the secure distribution of digital content in a sharing network
10/01/2003CN1445942A Brodcast system, broadcast device, broadcast method and receiving device
10/01/2003CN1123169C Digital communication system, transmitter and data selector
09/2003
09/30/2003US6629227 System and method for a communication terminal to manage memory and maintain a current application version for multiple applications
09/30/2003US6628891 Signal filtering mechanism for a multi-purpose digital television receiver
09/30/2003US6628729 Apparatus and method for downloading and storing data from a digital receiver
09/30/2003US6628509 Handheld computer and data processing system
09/30/2003US6628415 Remote plug-and-play for home printer via cable network
09/30/2003US6628326 Wireless communication system for transmitting images from an enabled electronic camera to receiver
09/30/2003US6628302 Interactive video programming methods
09/25/2003WO2003079690A1 Video information delivery apparatus and reception apparatus
09/25/2003WO2003079689A1 Content playback apparatus, method, and program, and key management apparatus and system
09/25/2003WO2003049449A3 Modulation algorithm for a mpeg-4 fgs wireless transmission system
09/25/2003WO2003036886A3 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
09/25/2003WO2003030536A3 Apparatus and method for dynamically updating a viewer profile in a digital television device
09/25/2003WO2002100109A3 A system and method for improved transmission and processing of multiple multimedia streams
09/25/2003WO2002080545A3 Personal tv receiver (ptr) with program recommendation forwarding function
09/25/2003US20030182665 Apparatus and method for managing cable modem based on web
09/25/2003US20030182662 Recording/reproducing system
09/25/2003US20030182661 Electronic television program guide schedule system and method with remote product ordering
09/25/2003US20030182660 Electronic television program guide schedule system and method with remote product ordering
09/25/2003US20030182659 Electronic television program guide schedule system and method with remote product ordering
09/25/2003US20030182657 Broadcasting receiver
09/25/2003US20030179941 Methods for real-time software video/audio compression, transmission, decompression and display
09/25/2003US20030179881 Method for storing encrypted data
09/25/2003US20030179484 Recording medium and apparatus for protecting copyrighted digital data
09/25/2003US20030179483 Recording medium and apparatus for protecting copyrighted digital data
09/25/2003US20030179320 Apparatus and method for auto channel searching of video display apparatus
09/24/2003EP1346579A1 Webcasting method and system for time-based synchronization of multiple, independent media streams
09/24/2003EP1346575A2 Embedding re-usable object-based product information in audiovisual programs for non-intrusive, viewer driven usage
09/24/2003EP1346572A2 Recommender system using "fuzzy-now" for real-time events
09/24/2003EP1346571A1 Synchronization of bulk data transfers to end node devices in a multimedia network
09/24/2003EP1346569A2 Method and apparatus for selective updating of a user profile
09/24/2003EP1346568A1 Recording arrangement for the error-tolerant recording of an information signal
09/24/2003EP1346563A2 System and method of synchronization recovery in the presence of pilot carrier phase rotation for an atsc-hdtv receiver
09/24/2003EP1346560A2 Accessing meta information triggers automatic buffering
09/24/2003EP1346514A2 Supporting multiple upstream and downstream channels in a cable modem termination system line card
09/24/2003EP1346496A1 Data stream control system for selectively storing selected data packets from incoming transport stream
09/24/2003EP1346362A2 System and method for providing a multimedia summary of a video program
09/24/2003EP1346333A2 A remote control with status indicator
09/24/2003EP1346276A1 Method and system for providing a user profile
09/24/2003EP0883964B1 Tv set top box using gps
09/24/2003CN1444828A Method for granting customers assess to product
09/24/2003CN1444826A A system to deliver encrypted access control information
09/24/2003CN1444814A Multi-media jitter removal in asynchronous digital home network
09/24/2003CN1444403A Receiver