Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
03/2003
03/19/2003CN1404688A Apparatus and method of program classification using observed cues in the transcript information
03/19/2003CN1404687A TV programme recommended program with changing audience selection automatic identification
03/19/2003CN1404296A Equipment and method for utilizing television system to interacting with mobile telephone
03/18/2003US6536043 Method and systems for scalable representation of multimedia data for progressive asynchronous transmission
03/18/2003US6536041 Program guide system with real-time data sources
03/18/2003US6535920 Analyzing, indexing and seeking of streaming information
03/18/2003US6535557 Method and apparatus for coding moving picture image
03/18/2003US6535556 Apparatus and method for encoding images and medium in which image encoding program has been recorded
03/18/2003US6535525 Method of transmitting streams of video data, in multi-length frames, at a single average bit rate
03/18/2003CA2351411C Method and apparatus for selecting and displaying multi-media messages
03/18/2003CA2270189C Digital camcorder apparatus with mpeg-2-compatible video compression
03/18/2003CA2256136C Optical disc, recording apparatus, a computer-readable storage medium storing a recording program, and recording method
03/13/2003WO2003021964A1 Image encoding method, image decoding method, and apparatus thereof
03/13/2003WO2003021959A1 Sequence counter for an audio visual stream
03/13/2003WO2003021943A1 Broadcast reception method
03/13/2003WO2003021942A1 Digital broadcast reception apparatus and communication information transmission method
03/13/2003WO2003021941A1 Simplified digital settop box
03/13/2003WO2003021940A2 Implementation of mandatory segments in multimedia content
03/13/2003WO2003021914A2 System and method for enabling communication between video-enabled and non-video-enabled communication devices
03/13/2003WO2003021869A1 Method and apparatus for striping data onto a plurality of disk drives
03/13/2003WO2003021531A2 Method and apparatus for preserving, enlarging and supplementing image content displayed in a graphical user interface
03/13/2003WO2003021508A2 Backend commerce engine
03/13/2003WO2003003709A3 Method and apparatus for recordable media content distribution
03/13/2003WO2002087254A3 System and data format for providing seamless stream switching in a digital video decoder
03/13/2003WO2002087091A3 Burst-mode digital transmitter
03/13/2003WO2002078342A3 A method of communicating over an interactive medium
03/13/2003WO2002076064A3 Path sealed software object conditional access control
03/13/2003WO2002052855A3 Embedding re-usable object-based product information in audiovisual programs for non-intrusive, viewer driven usage
03/13/2003WO2002047387A3 Recommender system using 'fuzzy-now' for real-time events
03/13/2003WO2002039713A3 Method and apparatus for determining digital a/v content distribution terms based on detected piracy levels
03/13/2003WO2002037851A3 Method and apparatus for generating television program recommendations based on prior queries
03/13/2003WO2002019720A3 Dynamic personalized content selection for a media server
03/13/2003WO2002003646A3 Selecting attribute based content for server applications
03/13/2003WO2001084905A3 Statistical multiplexer and remultiplexer that accommodates changes in structure of gop
03/13/2003US20030051252 Method, system, and apparatus for acquiring information concerning broadcast information
03/13/2003US20030051249 System and method for data insertion (commercials) in client generic data-on-demand broadcast transmissions
03/13/2003US20030051247 Method and apparatus for adaptively storing program guide data
03/13/2003US20030051245 Method and apparatus for adaptively storing program guide data
03/13/2003US20030051244 Method and apparatus for adaptively storing program guide data
03/13/2003US20030051243 Electronic program guide using markup language
03/13/2003US20030051241 Information system
03/13/2003US20030051240 Four-way recommendation method and system including collaborative filtering
03/13/2003US20030051239 Delivery of feedback information to scheduling service to determine optimum broadcast times based upon client platform tuner contention
03/13/2003US20030051238 Content rating, advisory, and profiling system for interactive television
03/13/2003US20030051159 Secure media transmission with incremental decryption
03/13/2003US20030051006 Control and observation of physical devices, equipment and processes by multiple users over computer networks
03/13/2003US20030050991 Secure cached subscription service
03/13/2003US20030050834 System and method for dynamic customizable interactive portal active during select computer time
03/13/2003US20030050058 Dynamic content delivery responsive to user requests
03/13/2003US20030050045 Wirelessly assisted contact information method
03/13/2003US20030050024 Broadcast receiver and channel scanning method
03/13/2003US20030049021 Apparatus for monitoring of DVD/CD usage and targeted DVD/CD sales utilizing a set top with DVD/CD capability
03/13/2003US20030049014 Method and apparatus for playing digital media and digital media for use therein
03/13/2003US20030048853 Multi-channel image encoding method and system
03/13/2003US20030048808 Method and apparatus for changing received streaming content channels
03/13/2003US20030048380 Self provisioning Set-Top Box
03/13/2003US20030048299 System and method for accessing, manipulating and viewing internet and non-internet related information and for controlling networked devices
03/13/2003CA2466268A1 Method and apparatus for striping data onto a plurality of disk drives
03/12/2003EP1292149A2 Apparatus and method for seamless switching between DTV and PVR playback
03/12/2003EP1292146A1 Method and apparatus for controlling transmission of advertisement
03/12/2003EP1292143A1 Transmitter
03/12/2003EP1291761A2 Universal decoder for use in a network media player
03/12/2003EP1290890A2 System and method for providing internet addresses corresponding to an electronic signal to a user
03/12/2003EP1290887A2 Authentication and authorization epochs
03/12/2003EP1290886A2 Automatic identification of a set-top box user to a network
03/12/2003EP1290876A2 Interactive television application with watch lists
03/12/2003EP1290642A2 Method for interactive multi-user customizable web data retrieval and rendering
03/12/2003EP1290570A2 Methods, apparatus, and systems for storing, retrieving and playing multimedia data
03/12/2003EP1290457A1 Spectrum management method for a cable data system
03/12/2003EP1142309B1 Method and apparatus for operating system downloads in a set-top box environment
03/12/2003EP1057331B1 Variable rate video playback with synchronized audio
03/12/2003EP0966839A4 In-camera image marking and authentication
03/12/2003EP0950319B1 Preventing replay attacks on digital information distributed by network service providers
03/12/2003CN1402938A TV apparatus for storage broadcasting information display, distributing device, and information distribution method
03/12/2003CN1402852A Object oriented video system
03/11/2003US6532593 Transcoding for consumer set-top storage application
03/11/2003US6532592 Bi-directional remote control unit and method of using the same
03/11/2003US6532589 Method and apparatus for providing a calendar-based planner in an electronic program guide for broadcast events
03/11/2003US6532495 Internet download enhancement system
03/11/2003US6532263 Scalable video coding system
03/11/2003US6532004 Appliances with multiple modes of operation
03/11/2003CA2249979C Transition controlled balanced encoding scheme
03/08/2003CA2363596A1 Optimized pod module/host interface
03/06/2003WO2003019944A1 Improvements in and relating to content selection
03/06/2003WO2003019941A1 System and method for screening incoming and outgoing video communications within an interactive television system
03/06/2003WO2003019932A1 Multimedia signal processing system
03/06/2003WO2003019928A2 System and method for automatically answering and recording video calls
03/06/2003WO2003019900A1 Broadcast video channel surfing system based on internet streaming of captured live broadcast channels
03/06/2003WO2003019857A1 Information providing system, information providing apparatus and method, and information processing apparatus and method
03/06/2003WO2003019476A1 Information processing apparatus and method
03/06/2003WO2003019407A2 Method and device for rendering a content item
03/06/2003WO2003019388A1 Information providing system, information processing apparatus and method, and information providing apparatus and method
03/06/2003WO2002099696A3 A digital information distribution apparatus and method
03/06/2003WO2002087220A3 System and method for interactive television
03/06/2003WO2002041504A3 Methods and apparatus for identifying asset location in communication networks
03/06/2003WO2002021761A3 Apparatus and method for selectively encrypting different the payload portion of multimedia data sent over a network
03/06/2003US20030046713 Simplified digital settop box
03/06/2003US20030046712 Video transmission system having a plurality of transmission frame buffers
03/06/2003US20030046708 Error correction for regional and dynamic factors in communications
03/06/2003US20030046705 System and method for enabling communication between video-enabled and non-video-enabled communication devices