| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 12/24/2002 | US6498628 Motion sensing interface |
| 12/24/2002 | US6498627 Use of wideband DTV overlay signals for brevity signaling and public safety |
| 12/19/2002 | WO2002102084A1 Video communication system using model-based coding and prioritization techniques |
| 12/19/2002 | WO2002102078A1 A method and apparatus for improved acquisition and monitoring of event information table sections |
| 12/19/2002 | WO2002102076A1 Interactive information aggregator for an interactive television system |
| 12/19/2002 | WO2002102075A1 Device and method for selectively supplying access to a service encrypted using a control word, and smart card |
| 12/19/2002 | WO2002102069A1 Parrallel and synchronized display of augmented multimedia information |
| 12/19/2002 | WO2002102068A1 Multiple information levels in media services menus |
| 12/19/2002 | WO2002102067A1 Television program selection apparatus and method |
| 12/19/2002 | WO2002102066A1 A method and apparatus for generating a list of suggested scheduled television programs |
| 12/19/2002 | WO2002102065A1 Systems and methods for accessing interactive content via synthetic channels |
| 12/19/2002 | WO2002102054A1 Method and apparatus for wireless image transmission to a projector |
| 12/19/2002 | WO2002102052A2 Method and apparatus for providing interactive media presentation |
| 12/19/2002 | WO2002102046A2 A method for enabling the pricing of video-on-demand to be determined by advertisement volume |
| 12/19/2002 | WO2002102030A2 METHOD AND SYSTEM FOR PROFILING iTV USERS AND FOR PROVIDING SELECTIVE CONTENT DELIVERY |
| 12/19/2002 | WO2002102014A2 Media server |
| 12/19/2002 | WO2002101693A1 Systems and methods for automatic personalizing of channel favorites in a set top box |
| 12/19/2002 | WO2002101648A2 Apparatus and method for watermarking a digital image |
| 12/19/2002 | WO2002100150A2 Anonymous ordering system |
| 12/19/2002 | WO2002067537A3 Data streaming system substituting local content for unicasts |
| 12/19/2002 | WO2001078401A9 Contextual programming |
| 12/19/2002 | US20020194621 Multimedia interface control for consumer electronics device |
| 12/19/2002 | US20020194620 Automated input in an interactive television system |
| 12/19/2002 | US20020194619 System and method for electronic music video download |
| 12/19/2002 | US20020194616 System and method for provisioning a single physical drop to accomodate multiple devices |
| 12/19/2002 | US20020194615 System and method for provisioning a single physical broadband drop to accommodate multiple specific devices |
| 12/19/2002 | US20020194614 Transmission apparatus using catv network |
| 12/19/2002 | US20020194609 Video client with dynamically allocable video buffer for efficiently streaming video |
| 12/19/2002 | US20020194607 Method and apparatus for periodically delivering an optimal batch broadcast schedule based on distributed client feedback |
| 12/19/2002 | US20020194605 Cableran networking over coaxial cables |
| 12/19/2002 | US20020194604 Interactive television virtual shopping cart |
| 12/19/2002 | US20020194602 Expert model recommendation method and system |
| 12/19/2002 | US20020194600 Electronic television program guide schedule system and method with scan feature |
| 12/19/2002 | US20020194598 Method and apparatus for continuously and opportunistically driving an optimal broadcast schedule based on most recent client demand feedback from a distributed set of broadcast clients |
| 12/19/2002 | US20020194597 Systems and methods for searching interactive broadcast data |
| 12/19/2002 | US20020194596 Control of multiple AV-devices by a single master controller using infrared transmitted commands and bus transmitted commands |
| 12/19/2002 | US20020194595 Aggregation & substitution of user-specified content |
| 12/19/2002 | US20020194594 Methods and apparatus for broadcasting messages for receipt by specific recipients in a network |
| 12/19/2002 | US20020194593 Method of substituting content during program breaks |
| 12/19/2002 | US20020194592 System & apparatus for displaying substitute content |
| 12/19/2002 | US20020194591 Dynamic interface method and system for displaying reduced-scale broadcasts |
| 12/19/2002 | US20020194590 System and method for insertion and modification of advertisements |
| 12/19/2002 | US20020194589 Technique for optimizing the delivery of advertisements and other programming segments by making bandwidth tradeoffs |
| 12/19/2002 | US20020194588 Commercial deleter |
| 12/19/2002 | US20020194587 Enhanced communication, monitoring and control system |
| 12/19/2002 | US20020194586 Method and system and article of manufacture for multi-user profile generation |
| 12/19/2002 | US20020194585 Methods and apparatus for providing ranking feedback for content in a broadcast system |
| 12/19/2002 | US20020194356 System and method of downloading music and playing the downloaded music |
| 12/19/2002 | US20020194309 Multimedia synchronization method and device |
| 12/19/2002 | US20020194301 Information distribution system |
| 12/19/2002 | US20020194264 Digital information distribution apparatus and method |
| 12/19/2002 | US20020194254 Method and system for providing and utilizing total package program with advertisement |
| 12/19/2002 | US20020194188 Method and apparatus for automatically or electronically addressing data within a file or files |
| 12/19/2002 | US20020194065 Method for enabling the pricing of video-on-demand to be determined by advertisement volume |
| 12/19/2002 | US20020193067 Radio frequency interface |
| 12/19/2002 | US20020191963 Recording medium, recording apparatus and recording method for recording data into recording medium, and reproducing apparatus, and reproducing method for reproducing data from recording medium |
| 12/19/2002 | US20020191952 Data recording and playback system and method |
| 12/19/2002 | US20020191950 Apparatus and a method for preventing commercial skipping |
| 12/19/2002 | US20020191949 Method and apparatus for recording and retrieving audio visual information |
| 12/19/2002 | US20020191810 Apparatus and method for watermarking a digital image |
| 12/19/2002 | US20020191116 System and data format for providing seamless stream switching in a digital video recorder |
| 12/19/2002 | US20020191107 Start/stop audio encoder apparatus and method for synchronizing digital audio and video signals |
| 12/19/2002 | US20020191094 CCD clock alignment circuit using a frequency locked clock multiplier |
| 12/19/2002 | US20020191030 Method and system and article of manufacture for display of option recommendations through time-by-score |
| 12/19/2002 | US20020190876 Distributed on-demand media transcoding system and method |
| 12/19/2002 | CA2637242A1 Apparatus and method for watermarking a digital image |
| 12/19/2002 | CA2450021A1 A method and apparatus for improved acquisition and monitoring of event information table sections |
| 12/19/2002 | CA2449749A1 Method and system for profiling itv users and for providing selective content delivery |
| 12/18/2002 | EP1267577A2 Systems and methods for searching interactive broadcast data |
| 12/18/2002 | EP1267505A1 Transmission device, reception device, service determining device, service providing system, and service providing method |
| 12/18/2002 | EP1266524A2 Optional verification of interactive television content |
| 12/18/2002 | EP1266522A2 System and method for local meta data insertion |
| 12/18/2002 | EP1266480A1 Process and streaming server for encrypting a data stream |
| 12/18/2002 | EP1266336A1 System and process for distribution of information on a communication network |
| 12/18/2002 | EP1127461A4 Method and apparatus for selecting from multiple versions of a television program |
| 12/18/2002 | CN1386381A 信号传输系统 A signal transmission system |
| 12/18/2002 | CN1386377A Method and apparatus for spread spectrum clocking of digital video |
| 12/18/2002 | CN1386362A Method and system for delivering media services and application over networks |
| 12/18/2002 | CN1386333A 节目提供系统 Program provides system |
| 12/18/2002 | CN1386332A Coding a data stream |
| 12/18/2002 | CN1386329A Coding a data stream |
| 12/18/2002 | CN1386225A Receiving/storing device, transmission device, baoadcasting system, receiving/storing method, transmission method, baoadcasting method, programme and medium |
| 12/18/2002 | CN1386018A Vertical sideband transmission system for processing auxiliary transmission data |
| 12/18/2002 | CN1386017A Vertical sideband transmission system for processing auxiliary transmission data |
| 12/18/2002 | CN1386015A Realtime audio video regulation method |
| 12/18/2002 | CN1386012A Method and device for displaying internet content on television set |
| 12/18/2002 | CN1386008A Light source system for floor cutitng off press-button of power source used in television illumination |
| 12/18/2002 | CN1096797C System for processing a video signal via series-connected high speed signal processing smart cards |
| 12/18/2002 | CN1096795C Electronic program guide schedule localization system and method |
| 12/17/2002 | US6496983 System providing data quality display of digital video |
| 12/17/2002 | US6496981 System for converting media content for interactive TV use |
| 12/17/2002 | US6496980 Method of providing replay on demand for streaming digital multimedia |
| 12/17/2002 | US6496899 Disk scheduling system with bounded request reordering |
| 12/17/2002 | US6496860 Media manager for controlling autonomous media devices within a network environment and managing the flow and format of data between the devices |
| 12/17/2002 | US6496856 Video storage and retrieval system |
| 12/17/2002 | US6496826 File list processing |
| 12/17/2002 | US6496537 Video decoder with interleaved data processing |
| 12/17/2002 | US6496217 Video communication system using model-based coding and prioritzation techniques |
| 12/17/2002 | US6496205 User interface for controlling audio functions in a web browser |
| 12/17/2002 | US6496122 Image display and remote control system capable of displaying two distinct images |