Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
05/2003
05/28/2003CN1110200C Conditional access information arrangement
05/28/2003CN1110199C Waveform generator and method for insertion of data into digital television signals
05/28/2003CN1110176C Apparatus for demodulating and decoding video signals
05/27/2003US6571392 Receiving an information resource from the internet if it is not received from a broadcast channel
05/27/2003US6571390 Interactive entertainment network system and method for customizing operation thereof according to viewer preferences
05/27/2003US6570990 Method of protecting high definition video signal
05/27/2003US6570928 Cable broadcasting system
05/27/2003US6570926 Active techniques for video transmission and playback
05/27/2003US6570923 Video signal processing
05/27/2003US6570922 Rate control for an MPEG transcoder without a priori knowledge of picture type
05/27/2003US6570888 Using a receiver model to multiplex variable-rate bit streams having timing constraints
05/27/2003US6570586 Bandwidth effective method for communicating interactive links
05/27/2003US6570585 Systems and methods for preparing and transmitting digital motion video
05/27/2003US6570579 Graphics display system
05/27/2003US6570080 Method and system for supplying contents via communication network
05/27/2003CA2145616C Electronic apparatus with functional information memory
05/22/2003WO2003043338A2 Method and apparatus for generating a stereotypical profile for recommending items of interest using feature-based clustering
05/22/2003WO2003043337A2 Method and apparatus for recommending items of interest based on stereotype preferences of third parties
05/22/2003WO2003043336A1 Affective television monitoring and control
05/22/2003WO2003043335A2 Method and apparatus for generating a stereotypical profile for recommending items of interest using item-based clustering
05/22/2003WO2003043333A1 Method and apparatus for recommending items of interest based on preferences of a selected third party
05/22/2003WO2003043332A2 Method and apparatus for recommending items of interest to a user based on recommendations of one or more third parties
05/22/2003WO2003043330A1 Method and apparatus for partitioning a plurality of items into groups of similar items in a recommender of such items
05/22/2003WO2003043322A2 Remote re-creation of data in a television system
05/22/2003WO2003043321A1 Video recording system and method for a plurality of individual users and categories of users
05/22/2003WO2003043320A2 Improvements in receivers for television signals
05/22/2003WO2003043318A1 Program guide data selection device
05/22/2003WO2003043263A1 Control of usage of contents in digital broadcasts
05/22/2003WO2003043256A2 Method for generating a multiplexed sequence of media units
05/22/2003WO2003042856A2 Quality of service control of streamed content delivery
05/22/2003WO2003042842A1 Content transmission apparatus
05/22/2003WO2003042795A2 Streamed content delivery
05/22/2003WO2003042787A2 Graphic user interface alternate download options for unavailable prm content
05/22/2003WO2003042772A2 System and method for activating individualized software modules in a digital broadcast environment
05/22/2003WO2003015392A3 Technique for reverse transport of data in a hybrid fiber coax cable system
05/22/2003WO2003014873A3 Interactive program guide configuration system
05/22/2003WO2002093299A3 Channel buffering and display management system for multi-tuner set-top box
05/22/2003WO2002057951A3 Portable high speed internet access device
05/22/2003WO2002054760A3 Interactive television system
05/22/2003WO2002051131A3 Accessing meta information triggers automatic buffering
05/22/2003US20030097663 Method and apparatus for dynamic provisioning of IP-based services in a DVB network
05/22/2003US20030097662 Networked subscriber television distribution
05/22/2003US20030097659 Interrupting the output of media content in response to an event
05/22/2003US20030097655 System and method for providing conditional access to digital content
05/22/2003US20030097631 Finite state automaton for control of frame error recovery for a universal serial bus video camera
05/22/2003US20030097497 Data format recognition for networks providing device interoperability
05/22/2003US20030097353 Method and apparatus for partitioning a plurality of items into groups of similar items in a recommender of such items
05/22/2003US20030097300 Method and apparatus for recommending items of interest based on stereotype preferences of third parties
05/22/2003US20030097196 Method and apparatus for generating a stereotypical profile for recommending items of interest using item-based clustering
05/22/2003US20030097186 Method and apparatus for generating a stereotypical profile for recommending items of interest using feature-based clustering
05/22/2003US20030095790 Methods and apparatus for generating navigation information on the fly
05/22/2003US20030095783 Methods and apparatus for generating multiple network streams from a large scale memory buffer
05/22/2003US20030095574 System and method for effectively performing an audio/video synchronization procedure
05/22/2003US20030095211 Field extensible controllee sourced universal remote control method and apparatus
05/22/2003CA2586489A1 Improvements in receivers for television signals
05/22/2003CA2467069A1 Quality of service control of streamed content delivery
05/22/2003CA2467067A1 Streamed content delivery
05/22/2003CA2466510A1 Remote re-creation of data in a television system
05/21/2003EP1313319A2 Advertisement displaying method and apparatus
05/21/2003EP1312216A1 Method and apparatus to determine broadcast content and scheduling in a broadcast system
05/21/2003EP1312211A2 System and method for incorporating previously broadcast content into program recording
05/21/2003EP1312207A2 Structurally programmable channel decoder for digital broadcast reception
05/21/2003EP1311963A1 Display facility supplementing experience of a visitor
05/21/2003EP1147659B1 Video on demand methods and systems
05/21/2003EP0950317B1 Method and apparatus for providing a menu structure for an interactive information distribution system
05/21/2003CN1419785A Interactive media system and method for presenting pause-time content
05/21/2003CN1419783A User interface for collecting viewer ratings of media contenjt and facilitating adaptation of content recommenders
05/21/2003CN1419686A User interface/entertainment equipment of imitating human interaction and loading relative external database using relative data
05/21/2003CN1109439C Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator
05/21/2003CN1109309C Transmitter-receiver of three-dimensional skeleton and transmitting-receiving method for action
05/21/2003CA2412274A1 Methods and apparatus for generating multiple network streams from a large scale memory buffer
05/20/2003US6567987 Digital optical transmitter with improved noise power ratio
05/20/2003US6567984 System for viewing multiple data streams simultaneously
05/20/2003US6567982 System and method for providing television services
05/20/2003US6567981 Audio/video signal redistribution system
05/20/2003US6567979 Method and apparatus for enforcing DVD parental control across an enterprise
05/20/2003US6567978 Television audience monitoring system and method employing display of cable converter box
05/20/2003US6567471 System method and apparatus for seamlessly splicing data
05/20/2003US6567424 Apparatus and method for determining a synchronization signal
05/20/2003US6567127 Method and apparatus for enhanced video encoding
05/20/2003US6567106 Multipurpose channel banner
05/20/2003CA2217094C Image display control device for restricting display of video data viewed on a television in accordance with a restrict level of the video data
05/19/2003CA2411991A1 Transmitting digital video signals over an ip network
05/15/2003WO2003041414A1 Systems for sensing similarity in monitored broadcast content streams and methods of operating the same
05/15/2003WO2003041410A1 Method and system for information alerts
05/15/2003WO2003041401A1 Method and apparatus for automatically switching between analog and digital input signals
05/15/2003WO2003041393A2 Real time interactive video system
05/15/2003WO2003041392A2 Video on demand gateway
05/15/2003WO2003041388A2 Position location and navigation using television signals
05/15/2003WO2003041055A1 End-to-end distortion estimation for streaming of pre-compressed video
05/15/2003WO2003040930A1 Information delivery apparatus, information processing terminal, external content storage method, external content output method, content data, output control program, and information delivery system
05/15/2003WO2003040860A2 Automatically recording content from a remote source into the electronic calendar of a pc
05/15/2003WO2003015394A3 System and method to provide local content and corresponding applications via carousel transmission
05/15/2003WO2003013124A3 System for delivering data over a network
05/15/2003WO2002047388A3 Networked subscriber television distribution
05/15/2003WO2002045430A9 Content/service handling and delivery
05/15/2003US20030093815 System and method of assigning a home channel
05/15/2003US20030093814 System and method for generating user-specific television content based on closed captioning content
05/15/2003US20030093813 Bi-directional remote control unit and method of using the same
05/15/2003US20030093812 System and method for delivering data to an information appliance using the ISO07816