| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 12/10/2008 | CN100442831C Information system |
| 12/09/2008 | US7464397 Streaming content receiving apparatus and playback apparatus with stopping of reception of second streaming data during period in which first streaming program is selected |
| 12/09/2008 | US7464396 Transmission and receipt of time-converging multi-media streams |
| 12/09/2008 | US7464392 Viewing limit controls |
| 12/09/2008 | US7464164 Linking order entry process to realtime network inventories and capacities |
| 12/09/2008 | US7463737 System and method for conditional access key encryption |
| 12/09/2008 | US7463735 Encoding and decoding methods for secure scalable streaming and related systems |
| 12/09/2008 | US7463683 Method and apparatus for decoding spatially scaled fine granular encoded video signals |
| 12/09/2008 | CA2343388C Cloning protection scheme for a digital information playback device |
| 12/09/2008 | CA2337910C Digital tv system with synchronized world wide web content |
| 12/03/2008 | EP1997319A1 System and method for processing content for later insertion of digital watermark and other data |
| 12/03/2008 | CN101316369A Image processing device, method, program and recording medium |
| 12/03/2008 | CN101316146A Digital broadcast receiver and digital broadcast receiving method |
| 12/03/2008 | CN100440962C Discovery information for IP multicast |
| 12/03/2008 | CN100440957C Video memory manager for use in video recorder and method of operation |
| 12/03/2008 | CN100440956C Broadcast program recording overrun and underrun scheduling system |
| 12/03/2008 | CN100440948C Broadcast received device and broadcast signal received method and broadcast system |
| 12/02/2008 | US7461405 Mixed-media data encoding |
| 12/02/2008 | US7461161 Information processing apparatus and method for decoding encoded data |
| 12/02/2008 | US7460655 Picture phone monitor system |
| 12/02/2008 | US7460601 Video data transmitting/receiving method and video monitor system |
| 12/02/2008 | US7460173 Method and apparatus for synchronizing audio and video data |
| 12/02/2008 | CA2329069C Program guide system with advertisements |
| 11/27/2008 | WO2008143185A1 Broadcast method and broadcast unit |
| 11/26/2008 | EP1995968A2 Broadcasting data converter |
| 11/26/2008 | EP1994752A2 Method and apparatus for restricting dvd content |
| 11/26/2008 | EP1994747A1 Method and apparatus for providing video on demand |
| 11/26/2008 | EP1994741A2 Customizing dvr functionality |
| 11/26/2008 | EP1994721A1 Packet format of network abstraction layer unit, and algorithm and apparatus for video encoding and decoding using the format, qos control algorithm and apparatus for ipv6 label switching using the format |
| 11/26/2008 | CN100438619C Authentification of data in a digital transmission system |
| 11/26/2008 | CN100437724C Bypassing pixel clock generation and CRTC circuits in a graphics controller chip |
| 11/25/2008 | US7458090 Method and apparatus of displaying bit stream data, method and apparatus for generating bit stream data, and storage medium |
| 11/25/2008 | US7457883 Mechanism for implementing network discovery in a cable network |
| 11/25/2008 | US7457585 Home network server, method for distributing digital broadcasting program, wireless terminal, home network system |
| 11/25/2008 | US7457541 System for integrating broadcasting and communication technologies while ensuring qualities of services |
| 11/25/2008 | US7457415 Secure information distribution system utilizing information segment scrambling |
| 11/25/2008 | US7457414 Super encrypted storage and retrieval of media programs with smartcard generated keys |
| 11/25/2008 | US7456905 Communication apparatus and method, recording medium, and program |
| 11/25/2008 | US7456902 Method and system for identifying addressing data within a television presentation |
| 11/25/2008 | US7455227 System for card-based service access |
| 11/25/2008 | CA2402318C Personal recorder and method of implementing and using same |
| 11/25/2008 | CA2402316C Method of using buttons associated with a display to access and execute associated functions |
| 11/20/2008 | WO2008139515A1 Signal outputting apparatus, information device, signal outputting method, and signal outputting program |
| 11/20/2008 | US20080288998 Multimedia signal processing system |
| 11/19/2008 | EP1993261A1 Method and system for scheduling of messages |
| 11/19/2008 | EP1993252A1 Multicarrier transmission with variable guard intervals |
| 11/19/2008 | EP1993237A2 Multimedia client/server system with adjustable packet size and methods for use therewith |
| 11/19/2008 | EP1395950B1 Apparatus and method for watermarking a digital image |
| 11/19/2008 | EP0862831B2 Method and apparatus for displaying textual or graphic data on the screen of television receivers |
| 11/19/2008 | CN101309394A Data-on-demand digital broadcast system utilizing prefetch data transmission |
| 11/19/2008 | CN101308532A Content download system, content supply device, content receiving device and method thereof |
| 11/19/2008 | CN100435581C Conditional-access terminal device and method |
| 11/19/2008 | CN100435121C Reception apparatus and information browsing method |
| 11/18/2008 | US7454776 System and method for supplying supplemental audio information for broadcast television programs |
| 11/18/2008 | US7454775 Method and apparatus for generating television program recommendations based on similarity metric |
| 11/18/2008 | US7454384 Information distributing method and system |
| 11/18/2008 | US7454142 Data transmission method and data transmission apparatus |
| 11/18/2008 | US7454131 Image sensing apparatus with camera shake correction function |
| 11/18/2008 | US7454074 System and method for the lossless progressive streaming of images over a communication network |
| 11/18/2008 | CA2381493C Method and apparatus for control of auxiliary video information display |
| 11/18/2008 | CA2335667C Method and apparatus for the display of selected images at selected times |
| 11/18/2008 | CA2182152C Data recording method and apparatus, data record medium and data reproducing method and apparatus |
| 11/13/2008 | WO2008136077A1 Scramble key management unit, scramble key management information transmitting unit, method for scramble key output management, scramble key management program, license information management unit, license management information transmitting unit, method for license information output management, and license information man |
| 11/13/2008 | US20080282323 Access control apparatus, access control method, and access control program |
| 11/13/2008 | US20080282306 Mapping Transport Streams |
| 11/13/2008 | US20080282292 Receiving apparatus and method |
| 11/13/2008 | US20080282285 Interactive media system and method for presenting pause-time content |
| 11/13/2008 | US20080281968 Updating Download Options for Unavailable Media Content |
| 11/13/2008 | US20080279386 Method and apparatus for encrypting media programs for later purchase and viewing |
| 11/13/2008 | US20080279384 Information delivery system, information delivery method, node device, key data management device, and recording medium |
| 11/13/2008 | US20080279284 System and Method for Adapting Video Decoding Rate By Multiple Presentation of Frames |
| 11/13/2008 | US20080279276 Data processing system and method, communication system and method, and charging apparatus and method |
| 11/13/2008 | US20080279273 URI Pointer System and Method for the Broadcast of MPEG-4 Data in an ATSC MPEG-2 Transport Stream File System |
| 11/13/2008 | US20080279199 Power Line Communication System and Communication Device Used in the System |
| 11/12/2008 | EP1990999A2 Content-protected digital link over a single signal line |
| 11/12/2008 | EP1990956A1 Gateway device |
| 11/12/2008 | EP1302008B1 Multi-media jitter removal in an asynchronous digital home network |
| 11/12/2008 | CN101304420A Content-protected digital link over a single signal line |
| 11/12/2008 | CN101303717A Systems and methods for secure transaction management and electronic rights protection |
| 11/12/2008 | CN100433839C Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof |
| 11/12/2008 | CN100433048C Video surveillance system employing video primitives |
| 11/12/2008 | CN100433029C License management method, information processing apparatus, information processing method, and program |
| 11/12/2008 | CN100432937C Delivering multimedia descriptions |
| 11/11/2008 | US7451470 TV program profiling technique and interface |
| 11/11/2008 | US7451469 Electronic program guide displayed simultaneously with television programming |
| 11/11/2008 | US7451467 Content/service handling and delivery |
| 11/11/2008 | US7451401 Real-time, interactive and personalized video services |
| 11/11/2008 | US7451228 System and method of transmitting data packets |
| 11/11/2008 | US7450157 Remote high resolution photography and video recording using a streaming video as a view-finder |
| 11/11/2008 | CA2588315A1 System for provision of commercials |
| 11/06/2008 | WO2008132885A1 Portable communication terminal |
| 11/06/2008 | US20080276286 Method and apparatus for displaying information |
| 11/06/2008 | US20080276285 Method and apparatus for displaying information and collecting viewer information |
| 11/06/2008 | US20080275987 Methods and apparatus for integrating services for accessing the world wide web |
| 11/06/2008 | US20080273705 Broadcasting method and broadcast receiver |
| 11/06/2008 | US20080272912 Movie projection system |
| 11/05/2008 | EP1988711A2 Systems and methods for providing television schedule information |
| 11/05/2008 | EP1988709A1 Display control device, display control method, and display control program |
| 11/05/2008 | EP1988708A2 Interactive television program guide with remote access |
| 11/05/2008 | EP1988707A2 Interactive television program guide with remote access |