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)
09/2002
09/12/2002US20020129383 Apparatus for a cosumer controlled selective recording device for interactive television
09/12/2002US20020129381 System and method for merging interactive television data with closed caption data
09/12/2002US20020129379 System and method for transmitting data on return path of a cable television system
09/12/2002US20020129378 Method and apparatus for controlling traffic loading on a cable modem termination system
09/12/2002US20020129377 Method and apparatus for controlling traffic loading on links between internet service providers and cable modem termination system
09/12/2002US20020129374 Compressed digital-data seamless video switching system
09/12/2002US20020129370 Method and system for implementing an electronic program guide
09/12/2002US20020129369 Mechanism and apparatus for construction of modular-based interactive programming guides and TV portals
09/12/2002US20020129367 Method and apparatus for personalized presentation of television/internet contents
09/12/2002US20020129366 Electronic program guide with interactive areas
09/12/2002US20020129365 Apparatus and method for processing additional information in data broadcast system
09/12/2002US20020129364 On-screen display area enabling media convergence useful for viewers and audio/visual programmers
09/12/2002US20020129362 Multiple commercial option in the same time slot
09/12/2002US20020129361 Information service system, information supply terminal used in this system, information service method, and program for information supply terminal
09/12/2002US20020129360 Apparatus and method for calculating audience rating using interactive television
09/12/2002US20020129359 Cross platform system and method for the management and distribution of pay per view video on demand
09/12/2002US20020129358 Cable billing systems and methods enabling independence of service marketing and provisioning from billing and collection of revenue
09/12/2002US20020129349 Game machine system, broadcasting system, data distribution system, and method, program executing apparatus and method
09/12/2002US20020129280 Method, apparatus, and system for distributing compressed digital media in a secured manner
09/12/2002US20020129249 Smartcard for use with a receiver of encrypted broadcast signals, and receiver
09/12/2002US20020129143 Solicitations for allocations of access across a shared communications medium
09/12/2002US20020129124 Methods and apparatus for efficiently accessing sequentially broadcast data
09/12/2002US20020129080 Method of and system for running an algorithm
09/12/2002US20020129050 Displaying video in application
09/12/2002US20020128999 Method, apparatus and system for providing access to product data
09/12/2002US20020128972 Digital works having usage rights and method for creating the same
09/12/2002US20020128856 Composite digital works having usage rights and method for creating the same
09/12/2002US20020128822 Method and apparatus for skipping and repeating audio frames
09/12/2002US20020127527 Interactive communication system for communicating video game and karaoke software
09/12/2002US20020126848 Protected communication system
09/12/2002US20020126844 Method for providing a secure communication between two devices and application of this method
09/12/2002US20020126843 Data nullification device for nullifying digital content recorded on a recording medium, after the digital content has been reproduced, a predetermined time period has passed since the recording of the digital content, or the digital content has been moved to another recording medium
09/12/2002US20020126842 Enhanced copy protection of proprietary material employing multiple watermarks
09/12/2002US20020126762 Moving-picture data reproducing system
09/12/2002US20020126754 MPEG video editing-cut and paste
09/12/2002US20020126751 Maintaining a frame rate in a digital imaging system
09/12/2002US20020126711 Network distributed remultiplexer for video program bearing transport streams
09/12/2002US20020126703 System for digitized audio stream synchronization and method thereof
09/12/2002US20020126702 Methods and apparatus for constructing a program association table when reducing multiplexed data streams
09/12/2002US20020126698 Bandwidth allocation system
09/12/2002US20020126697 Methods and apparatus for reconfiguring protocol data when reducing multiplexed data streams
09/12/2002US20020126686 Methods of allocating access across a shared communications medium
09/12/2002US20020126685 Time division multiplexing over broadband modulation method and apparatus
09/12/2002US20020126668 Low-delay video encoding method for concealing the effects of packet loss in multi-channel packet switched networks
09/12/2002US20020126222 VSB reception system with enhanced signal detection for processing supplemental data
09/12/2002US20020126219 Apparatus and method for processing additional information in television
09/12/2002CA2440034A1 Wireless music and data transceiver system
09/11/2002EP1239672A2 Animated screen object for annotation and selection of video sequences
09/11/2002EP1239614A2 Equipment for distributing an optical signal
09/11/2002EP1238482A2 Scheduled retrieval, storage and access of media data
09/11/2002EP0682830A4 A multiplex control packet for digital services
09/11/2002CN1090868C Illegal view and copy protection method in digital video system and controlling method thereof
09/10/2002US6449767 System for displaying an integrated portal screen
09/10/2002US6449766 System and method for consolidating television rating systems
09/10/2002US6449719 Process and streaming server for encrypting a data stream
09/10/2002US6449424 Image transmission method and computer readable image data structure
09/10/2002US6449367 Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
09/10/2002US6449352 Packet generating method, data multiplexing method using the same, and apparatus for coding and decoding of the transmission data
09/10/2002US6447396 Method and apparatus for coordinating an interactive computer game with a broadcast television program
09/10/2002CA2245567C Synchronization and downconversion in tdm/tdma systems
09/10/2002CA2238408C Set-top electronics and network interface unit arrangement
09/10/2002CA2191819C Receiving apparatus, receiving method, and terminal unit
09/06/2002WO2002069641A1 System and method for distinguishing between identically titled programs
09/06/2002WO2002069638A1 Encryption of a compressed video stream
09/06/2002WO2002069636A1 Systems and methods for interactive program guides with personal video recording features
09/06/2002WO2002069631A1 System and method for receiving and storing a transport stream
09/06/2002WO2002069630A2 System and method for displaying a summary menu of stored user profiles
09/06/2002WO2002069629A2 System and method for simplifying searches in electronic program guide
09/06/2002WO2002069628A2 Method for searching of an electronic program guide
09/06/2002WO2002069627A2 System and method for creating user profiles
09/06/2002WO2002069567A2 Enforcement of rights and conditions for multimedia content
09/06/2002WO2002069298A1 Transformer remote control
09/06/2002WO2002069121A1 Modular interactive application generation system
09/06/2002WO2002069088A2 Pc-based virtual set-top box for internet-based distribution of videos and other data
09/06/2002WO2002068777A1 Integrated, adaptable theater, club and multiplex
09/06/2002WO2002054754A3 System and method of selective advertising on a tv channel
09/06/2002WO2002045406A3 Watermark communication and control systems
09/06/2002WO2002041596A3 Method and system for targeted content presentation in a communications network
09/06/2002WO2002041541A3 Method and system for automated reporting in a communications network
09/06/2002WO2002041198A3 Method and system for dataflow management in a communications network
09/06/2002WO2002027988A3 System and method for seamless switching
09/06/2002CA2666635A1 Systems and methods for interactive program guides with personal video recording features
09/06/2002CA2439517A1 Integrated, adaptable theater, club and multiplex
09/06/2002CA2439377A1 System and method for receiving and storing a transport stream
09/06/2002CA2438947A1 Systems and methods for interactive program guides with personal video recording features
09/06/2002CA2426159A1 Enforcement of content rights and conditions for multimedia content
09/05/2002US20020124270 Broadcast reception apparatus for obtaining and storing high-use-possibility reproduction programs beforehand
09/05/2002US20020124268 Television programming with variable ancillary information
09/05/2002US20020124266 Method and device for remote access of a power control system of a set-top box
09/05/2002US20020124265 Equipment for distributing an optical signal
09/05/2002US20020124264 Freezing live video frames with interactive links
09/05/2002US20020124261 RF return optical transmission
09/05/2002US20020124260 Video production system for vehicles
09/05/2002US20020124259 Client-based interactive digital television architecture
09/05/2002US20020124258 Method and system for providing time-shifted delivery of live media programs
09/05/2002US20020124257 Order-delivery service system via interactive systems
09/05/2002US20020124255 Systems and methods for coordinating interactive and passive advertisement and merchandising opportunities
09/05/2002US20020124254 Method and system for advertising based on the content of selected channels or broadcasted programs
09/05/2002US20020124253 Personal information database with privacy for targeted advertising
09/05/2002US20020124252 Method and system to provide information alerts via an interactive video casting system
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