| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 09/09/2004 | US20040177190 Graphics display system with unified memory architecture |
| 09/09/2004 | US20040175109 Digital motion picture decoding apparatus and digital motion picture decoding method |
| 09/09/2004 | US20040174912 Multiplexing video decoding apparatus and method |
| 09/09/2004 | US20040174901 Method and apparatus for incorporating an appliance unit into a computer system |
| 09/09/2004 | US20040174875 Method for real time protocol media recording |
| 09/09/2004 | US20040174431 Device for interacting with real-time streams of content |
| 09/08/2004 | EP1455533A1 Information processing apparatus and data transfer method for use in the same |
| 09/08/2004 | EP1455532A2 Transaction based interactive television system |
| 09/08/2004 | EP1454493A2 Method of rights management for streaming media |
| 09/08/2004 | EP1454489A1 Protocol for controlling the mode of accessing data transmitted in point-to-point or point-to-multipoint mode |
| 09/08/2004 | EP1454485A1 Method and apparatus for transmitting osd information to a remote display device |
| 09/08/2004 | EP1454484A1 Video recording system and method for a plurality of individual users and categories of users |
| 09/08/2004 | EP1454418A1 Transport stream to program stream conversion |
| 09/08/2004 | EP1454275A2 System and method for providing targeted programming outside of the home |
| 09/08/2004 | EP1454249A1 System and method for delivering data streams of multiple data types at different priority levels |
| 09/08/2004 | EP1454246A1 Synchronous media playback and messaging system |
| 09/08/2004 | EP1454219A1 Forensic digital watermarking with variable orientation and protocols |
| 09/08/2004 | EP1454211A2 Graphic user interface alternate download options for unavailable prm content |
| 09/08/2004 | EP1224803B1 Identifying ancillary information associated with an audio/video program |
| 09/08/2004 | EP1010321B1 Programme generation |
| 09/08/2004 | EP0976248B1 System for automatically forming a program guide from information derived from multiple sources |
| 09/08/2004 | CN1528093A Multi-rate transcoder for digital streams |
| 09/08/2004 | CN1528090A Method and system for remote diagnostics |
| 09/08/2004 | CN1527609A Digital motion image decoding device and decoding method |
| 09/08/2004 | CN1527604A Electronic programme system having advertisement information in pull zone |
| 09/08/2004 | CN1527602A Face information transmitting system |
| 09/08/2004 | CN1166205C 图象传输装置和图象传输方法 Image transfer means and the image transmission method |
| 09/08/2004 | CN1166202C Dynamic extraction of feature from compressed digital video signals by video reproducing system |
| 09/08/2004 | CN1166201C Method and apparatus for preventing disruption in set-top terminal function due to download of updated programming or data to set-top terminal |
| 09/08/2004 | CN1166198C System and method for transmitting data on return path of cable television system |
| 09/08/2004 | CN1166197C Method and apparatus for collecting and providing viewer feedback to broadcast |
| 09/08/2004 | CN1166195C Method and apparatus for still image capture |
| 09/08/2004 | CN1166192C Data frame generating method and receiver |
| 09/08/2004 | CN1166191C Method for transmitting & receiving coded data and transmitter and receiver |
| 09/08/2004 | CN1166190C Apparatus for processing received data flow and processing method |
| 09/08/2004 | CN1166183C Digital television (DTV) including smart electronic program guide (EPG) and operating methods |
| 09/08/2004 | CN1166182C Soft scrolling method of selective caption display |
| 09/08/2004 | CN1166179C Decoding to digital data containing performance specific information |
| 09/08/2004 | CN1166178C 节目引导提供装置 Program guide providing device |
| 09/08/2004 | CN1166143C Method and apparatus for media data transmission |
| 09/08/2004 | CN1166142C Method and apparatus for media data transmission |
| 09/08/2004 | CN1166092C Terminal apparatus for digital broadcasting service, its controlling method and broadcaster |
| 09/07/2004 | US6789196 Communication controlling method, communication controlling system and communication controlling apparatus |
| 09/07/2004 | US6789106 Selective capture and storage of A/V objects in an interactive multimedia system |
| 09/07/2004 | US6788710 Auxiliary data insertion in a transport datastream |
| 09/07/2004 | US6788604 Apparatus and method for determining the erasability of data in a memory |
| 09/07/2004 | US6788352 Television based on operating system and method of displaying an initial screen thereof |
| 09/07/2004 | US6788350 Apparatus and method for implementing a unified clock recovery system |
| 09/02/2004 | WO2004075536A1 Reception device and setting method thereof |
| 09/02/2004 | WO2004075511A1 Method for tracking the size of a multicast audience |
| 09/02/2004 | US20040172661 Method and apparatus for displaying an image and data related to the image conditioned on used identifier |
| 09/02/2004 | US20040172658 Home network for ordering and delivery of video on demand, telephone and other digital services |
| 09/02/2004 | US20040172655 Multi-media data automatic delivery system |
| 09/02/2004 | US20040172478 Video stream switching |
| 09/02/2004 | US20040172388 Method and apparatus for providing a user interface |
| 09/02/2004 | US20040172376 Information processing apparatus, information processing method, content distribution apparatus, content distribution method, and computer program |
| 09/02/2004 | US20040172326 Display system |
| 09/02/2004 | US20040170390 Method and apparatus for reproducing data using management data |
| 09/02/2004 | US20040170389 Recording medium of stream data, and recording method and playback method of the same |
| 09/02/2004 | US20040170385 Variable rate video playback with synchronized audio |
| 09/02/2004 | US20040170379 Hierarchical storage scheme and data playback scheme for enabling random access to realtime stream data |
| 09/02/2004 | US20040170278 Device and method for selectively supplying access to a service encrypted using a control word, and smart card |
| 09/02/2004 | US20040169660 Graphics display system with color look-up table loading mechanism |
| 09/02/2004 | DE10297223T5 Verfahren zur Gewährleistung einer Datenbanksicherheit Procedures to ensure database security |
| 09/02/2004 | CA2514887A1 Method for tracking the size of a multicast audience |
| 09/01/2004 | EP1453309A1 Display with one or more display windows and placement dependent cursor and function control |
| 09/01/2004 | EP1452038A2 Method and apparatus for decoding spatially scaled fine granular encoded video signals |
| 09/01/2004 | EP1452033A2 Real time interactive video system |
| 09/01/2004 | EP1452031A2 Application management and interface for cluster control of time shift buffer |
| 09/01/2004 | EP1452025A1 Dividing and managing time shift buffering into program specific segments based on defined durations |
| 09/01/2004 | EP1452022A2 Security system for digital cinema |
| 09/01/2004 | EP1452019A1 Utilization of relational metadata in a television system |
| 09/01/2004 | EP1452017A1 Converting time-shift buffering for personal video recording into permanent recordings |
| 09/01/2004 | EP1452009A2 Navigation services based on position location using broadcast digital television signals |
| 09/01/2004 | EP1451982A1 Data structure, method, and system for multimedia communications |
| 09/01/2004 | EP1451981A1 Method, system, and data structure for multimedia communications |
| 09/01/2004 | EP1451948A1 Multi-channel broadband content distribution system |
| 09/01/2004 | EP1451729A2 System and method for retrieving information related to targeted subjects |
| 09/01/2004 | EP1451704A1 System and method for efficient distribution of multicastable services |
| 09/01/2004 | EP1451695A1 System, method, and data structure for multimedia communications |
| 09/01/2004 | EP1451686A1 Disk driver cluster management of time shift buffer with file allocation table structure |
| 09/01/2004 | EP1451672A1 Rich communication over internet |
| 09/01/2004 | EP1320787A4 Multi-media enhanced program controlled machine |
| 09/01/2004 | CN1526235A Electronic program guide for processing content-related information configured using a reference information model |
| 09/01/2004 | CN1526233A Broadcast program processing apparatus, computer system, broadcast program evaluation system, and computer program |
| 09/01/2004 | CN1526101A Information content transmission apparatus |
| 09/01/2004 | CN1525280A Apparatus for turning on or shutting down computer by multimedia remote controller |
| 09/01/2004 | CN1165049C Content recording device, reproducing device, transmitting method, and receiving method |
| 08/31/2004 | US6785908 Tap device of cable broadcasting system |
| 08/31/2004 | US6785906 Polling internet module of web TV |
| 08/31/2004 | US6785817 Reprogrammable subscriber terminal |
| 08/31/2004 | US6785815 Methods and systems for encoding and protecting data using digital signature and watermarking techniques |
| 08/31/2004 | US6785716 System and method of channel-based internet network |
| 08/31/2004 | US6785463 Reproduction apparatus and a reproduction method for video objects received by digital broadcast |
| 08/31/2004 | US6785331 Predictive encoding and decoding methods of video data |
| 08/31/2004 | US6785288 High-speed internet access system |
| 08/31/2004 | US6784945 System and method for providing fast acquire time tuning of multiple signals to present multiple simultaneous images |
| 08/31/2004 | US6783460 Method and apparatus for coordinating an interactive computer game with a broadcast television program |
| 08/31/2004 | CA2301680C Post-compression hidden data transport for video |
| 08/26/2004 | US20040168202 Game-program distribution system |