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)
11/2002
11/26/2002US6487262 Synchronization and downconversion in TDM/TDMA systems
11/26/2002US6487220 Content-based multiplexer device and multiplexing method
11/26/2002US6486920 Method and apparatus for producing program information and receiving apparatus for processing the program information
11/26/2002US6486907 Satellite distributed television
11/26/2002US6486892 System and method for accessing, manipulating and viewing internet and non-internet related information and for controlling networked devices
11/26/2002US6486880 Transmission of pixel data defining two motion phases of a graphic image
11/26/2002CA2222603C Hybrid fiber coax communications system
11/21/2002WO2002093929A1 Video content analysis method and system leveraging data-compression parameters
11/21/2002WO2002093925A1 Apparatus and method for multiple rich media formats video broadcasting
11/21/2002WO2002093921A1 Simultaneous digital television streams with conditional access
11/21/2002WO2002093918A1 Digital broadcast reception apparatus
11/21/2002WO2002093917A1 Method and apparatus for activating a media player based on user behavior
11/21/2002WO2002093911A1 Information processing apparatus
11/21/2002WO2002093909A1 Broadcast program processing apparatus, computer system, broadcast program evaluation system, and computer program
11/21/2002WO2002093901A2 Managing time shift buffers
11/21/2002WO2002093827A1 Encryption/decryption engine for multiple data streams
11/21/2002WO2002093808A2 Method and system for transmitting multicast data signals
11/21/2002WO2002093758A2 Apparatus for transporting home networking frame-based communications signals over coaxial cables
11/21/2002WO2002093344A1 Device for interacting with real-time streams of content
11/21/2002WO2002093299A2 Channel buffering and display management system for multi-tuner set-top box
11/21/2002WO2002093298A2 Modular storage server architecture with dynamic datamanagement
11/21/2002WO2002092182A1 Operation of a set of devices
11/21/2002WO2002047374A3 System and method of synchronization recovery in the presence of pilot carrier phase rotation for an atsc-hdtv receiver
11/21/2002US20020174444 Trusted transactional set-top box
11/21/2002US20020174443 Data sequencing method to improve transmission of self-similar data in a multi-node network
11/21/2002US20020174439 Television system for accumulation-oriented broadcast, information display system, distribution system, and information distribution method
11/21/2002US20020174437 Method and apparatus for controlling image quality by culling transmitted image information
11/21/2002US20020174436 System and method for providing on demand responses to consumer impulses produced by a demand stimulus
11/21/2002US20020174435 System, apparatus and method for expanding the operational bandwidth of a communication system
11/21/2002US20020174430 Systems and methods for interactive program guides with personal video recording features
11/21/2002US20020174429 Methods and apparatus for generating recommendation scores
11/21/2002US20020174428 Method and apparatus for generating recommendations for a plurality of users
11/21/2002US20020174426 Method and apparatus for activating a media player based on user behavior
11/21/2002US20020174425 Collection of affinity data from television, video, or similar transmissions
11/21/2002US20020174424 Apparatus and method for providing an indication of program(s) and/or activities
11/21/2002US20020174423 Apparatus for transporting home networking frame-based communications signals over coaxial cables
11/21/2002US20020174366 Enforcement of content rights and conditions for multimedia content
11/21/2002US20020174234 Chat-TV with room creation by time of day
11/21/2002US20020173954 Adaptive media encoding and decoding equipment
11/21/2002US20020173273 Proximity synchronization of audio content among multiple playback and storage devices
11/21/2002US20020172508 System and method for multichannel short range media transfer and storage
11/21/2002US20020172501 Combination system and copy error preventing method thereof
11/21/2002US20020172429 Compression and decompression system with reversible wavelets and lossy reconstruction
11/21/2002US20020172368 Intial free preview for multimedia multicast content
11/21/2002US20020172366 Initial viewing period for scalable authorization of streaming multimedia content
11/21/2002US20020172362 Method and apparatus for providing copy protection using a transmittal mode command
11/21/2002US20020172357 Encryption/decryption engine for multiple isochronous data streams
11/21/2002US20020172281 MPEG encoder control protocol for on-line encoding and MPEG data storage
11/21/2002US20020172275 Two stage equalizer for trellis coded systems
11/21/2002US20020172198 Method and system for high speed data retention
11/21/2002US20020171760 Method and system for displaying related components of a media stream that has been transmitted over a computer network
11/21/2002US20020171741 High speed digital video serial link
11/21/2002US20020171686 Electronic programming guide
11/21/2002US20020171670 System for integrating personalized data with visual content
11/21/2002CA2841216A1 Modular storage server architecture with dynamic data management
11/21/2002CA2701621A1 Modular storage server architecture with dynamic data management
11/21/2002CA2658766A1 Channel buffering and display management system for multi-tuner set-top box
11/21/2002CA2447299A1 Information processing apparatus
11/20/2002EP1259070A2 Electronic program guide displayed simultaneously with television programming
11/20/2002EP1258145A1 Mpeg re-multiplexer having multiple inputs and multiple outputs
11/20/2002EP1258144A1 Dynamic configuration of input filtering parameters for an mpeg re-multiplexer
11/20/2002EP1258143A1 Bandwidth management techniques for delivery of interactive program guide
11/20/2002EP1258141A1 Method and apparatus for storing content within a video on demand environment
11/20/2002EP1258140A2 Method for visual display of broadcast audio-visual programmes and associated visual display device
11/20/2002EP1258138A2 Enhanced display of world wide web pages on television
11/20/2002EP1257991A1 Interactive display
11/20/2002EP1257898A2 Electronic programming guide
11/20/2002CN1381139A Method and apparatus for streaming scalable video
11/20/2002CN1381138A Authentication and authorization epoch
11/20/2002CN1381136A Authorization using ciphertext tokens
11/20/2002CN1381130A Access control process
11/20/2002CN1381129A Authentication and/or authorization load
11/20/2002CN1380795A Multipoint broadcasting meeting device and program
11/19/2002US6484195 Server, terminal and control methods for transmitting real-time images over the internet
11/19/2002US6483986 Method and apparatus for recording streaming video data upon selection of alternative subject matter
11/19/2002US6483548 Method of data display for electronic program guides (EPGs)
11/19/2002US6483547 Transmission signal ID for analog television broadcasts
11/19/2002US6483543 System and method for transcoding multiple channels of compressed video streams using a self-contained data unit
11/19/2002CA2300857C Multiple-screen video adapter with television tuner
11/19/2002CA2295759C Method and apparatus for creating home network macros
11/19/2002CA2266330C Internet television apparatus
11/14/2002WO2002091747A1 Recording of interactive applications
11/14/2002WO2002091745A2 Evening planner
11/14/2002WO2002091743A2 Encoding and decoding methods for secure scalable streaming and related systems
11/14/2002WO2002091742A1 Technique for optimizing the delivery of advertisements and otherprogramming segments by making bandwidth tradeoffs
11/14/2002WO2002091665A2 Method and system for secure transcoding
11/14/2002WO2002091273A2 System and method for providing targeted programming outside of the home
11/14/2002WO2002037840A3 Method and apparatus for displaying program recommendations with indication of strength of contribution of significant attributes
11/14/2002WO2001043442A9 Method and apparatus for two-way internet access over network a catv with channel tracking
11/14/2002WO2001037548A3 Digital television conditional access methods and apparatus
11/14/2002WO2000068840A3 Architecture and application programming interfaces for java-enabled mpeg-4 (mpeg-j) systems
11/14/2002US20020170074 Recording of interactive applications
11/14/2002US20020170073 System and method for set top box channel state feedback
11/14/2002US20020170072 Systems for receiving and processing digital data carried by satellite transmissions
11/14/2002US20020170068 Virtual and condensed television programs
11/14/2002US20020170067 Method and apparatus for broadcasting streaming video
11/14/2002US20020170066 Method and apparatus for displaying internet content on a television
11/14/2002US20020170065 Apparatus and method of managing compression of video and delivery of video over the internet
11/14/2002US20020170064 Portable, wireless monitoring and control station for use in connection with a multi-media surveillance system having enhanced notification functions
11/14/2002US20020170063 Method and system for transferring content to a networked unit
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