| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 05/06/2004 | US20040088741 Visual improvement of video stream transitions |
| 05/06/2004 | US20040088739 Digital broadcasting system, digital broadcasting apparatus, and a reception apparatus for digital broadcasts |
| 05/06/2004 | US20040088737 Method and apparatus for removing client from an interactive TV network |
| 05/06/2004 | US20040088728 Playback apparatus and playback method |
| 05/06/2004 | US20040088721 Source detection apparatus and method for audience measurement |
| 05/06/2004 | US20040088558 Descrambler |
| 05/06/2004 | US20040088552 Multi-process descrambler |
| 05/06/2004 | US20040088384 Method of data management for efficiently storing and retrieving data to respond to user access requests |
| 05/06/2004 | US20040088183 Computer-readable information storage medium having content-data stored therein and content charging system |
| 05/06/2004 | US20040086266 Video tape indexing system and method |
| 05/06/2004 | US20040086127 Mechanism for protecting the transfer of digital content |
| 05/06/2004 | US20040086056 Communication system |
| 05/06/2004 | US20040086051 Data transmission device and method |
| 05/06/2004 | EP1416732A1 Method and apparatus for removing clients from interactive tv network |
| 05/06/2004 | EP1416491A2 Multimedia contents editing apparatus and multimedia contents playback apparatus |
| 05/06/2004 | EP1415476A1 Mpeg-4 remote communication device |
| 05/06/2004 | EP1415475A1 Mpeg-4 remote communication device |
| 05/06/2004 | EP1415473A1 On-demand interactive magazine |
| 05/06/2004 | EP1415472A2 Communication protocol for content on demand system with callback time |
| 05/06/2004 | EP1415471A1 Method and apparatus for permitting unconfirmed viewing time with addressable pay tv |
| 05/06/2004 | EP1415470A2 Enhanced custom content television |
| 05/06/2004 | EP1415464A2 Interactive television virtual shopping cart |
| 05/06/2004 | EP1415419A2 Consumer electronics apparatus with a gateway between a home network and an external data network |
| 05/05/2004 | CN1494803A Encryption of compressed video stream |
| 05/05/2004 | CN1494788A Supporting multiple upstream and downstream channels in cable modem termination system |
| 05/05/2004 | CN1494239A Optical transmission apparatus and electronic apparatus with the same |
| 05/05/2004 | CN1148958C VSB encoder and RF modulator for digital television receiver |
| 05/05/2004 | CN1148956C Superimposing apparatus and method for video appliance |
| 05/05/2004 | CN1148686C System and method for access and protection of data content using descriptive data structure |
| 05/04/2004 | US6732373 Host apparatus for simulating two way connectivity for one way data streams |
| 05/04/2004 | US6732368 Method and apparatus for providing voice/unified messaging services using CATV terminals |
| 05/04/2004 | US6732179 Method and system for restricting access to user resources |
| 05/04/2004 | US6732158 VCR webification |
| 05/04/2004 | US6731758 Digital video content transmission ciphering and deciphering method and apparatus |
| 05/04/2004 | US6731345 Method and apparatus for setting on-timer channel of digital broadcast receiver |
| 05/04/2004 | US6731307 User interface/entertainment device that simulates personal interaction and responds to user's mental state and/or personality |
| 05/04/2004 | US6731295 Graphics display system with window descriptors |
| 04/29/2004 | WO2004036835A1 Communication system and transfer device |
| 04/29/2004 | WO2003056457A8 Personal adaptive memory system |
| 04/29/2004 | WO2003024012A3 Dynamic content delivery responsive to user requests |
| 04/29/2004 | WO2002100108A8 Centralized aggregation of broadcast television programming and multi-market digital delivery thereof over interconnected terrestrial fiber optic networks |
| 04/29/2004 | US20040083492 Method and apparatus for providing dynamic pricing services for an interactive information distribution system |
| 04/29/2004 | US20040081432 Recording medium, method and apparatus for recording digital data streams |
| 04/29/2004 | US20040081426 Broadcasting system with means to label programs being recorded and to display the label information |
| 04/29/2004 | US20040081241 Image encoding method,image decoding method, and apparatus thereof |
| 04/29/2004 | US20040080673 Receivers for television signals |
| 04/29/2004 | US20040080540 Display control device and method |
| 04/29/2004 | US20040080505 Moving picture file distributing device |
| 04/28/2004 | EP1414246A2 Electronic program guide multiplexed in an MPEG stream |
| 04/28/2004 | EP1413145A1 Method and device for coding a mosaic |
| 04/28/2004 | EP1413138A1 Direct rtp delivery method and system over mpeg network |
| 04/28/2004 | EP1413133A1 Subscriber network reception and transmittion of digital packets |
| 04/28/2004 | EP1413132A2 Bandwidth allocation and pricing system for downloadable media content |
| 04/28/2004 | EP1413131A2 Method and apparatus for providing a user interface |
| 04/28/2004 | EP1413093A1 Method and apparatus for authorised operation of a home network |
| 04/28/2004 | EP1412936A2 Portable high speed internet access device with scrolling |
| 04/28/2004 | EP1166559A4 System and method for serving local and global media content |
| 04/28/2004 | EP0872073A4 Steganographic method and device |
| 04/28/2004 | CN1493159A On screen display as diagnostic aid |
| 04/28/2004 | CN1493062A Improvements in and relating to distribution of content |
| 04/28/2004 | CN1492677A Device for transmitting and receiving digital video frequency signals |
| 04/28/2004 | CN1492673A Digital television state display device and method |
| 04/28/2004 | CN1492669A Method and device for producing program information and receiver for processing program information |
| 04/28/2004 | CN1148064C Interactive television program guide system for determining user value for demographic categories |
| 04/28/2004 | CN1148063C Television schedule system with access control function |
| 04/28/2004 | CN1147854C Method and device for recording data, data recording medium, and method and device for reproducing data |
| 04/27/2004 | US6728967 Electronic television program guide schedule system and method |
| 04/27/2004 | US6728965 Channel changer for use in a switched digital video system |
| 04/27/2004 | US6728678 Variable rate video playback with synchronized audio |
| 04/27/2004 | US6728475 Digital motion picture decoding apparatus and digital motion picture decoding method |
| 04/27/2004 | US6728241 Boolean protocol filtering |
| 04/27/2004 | US6727955 Communication system for providing a transport entity with mutually related objects |
| 04/27/2004 | US6727915 Interactive streaming media production tool using communication optimization |
| 04/27/2004 | US6727914 Method and apparatus for recommending television programming using decision trees |
| 04/22/2004 | WO2003060759A3 Visualization of entertainment content |
| 04/22/2004 | WO2002104011A3 Method and system for displaying time ordered options |
| 04/22/2004 | WO2002096089A9 System and method for multichannel short range media transfer and storage |
| 04/22/2004 | US20040078823 Method and system for identification of pay-per-view programming |
| 04/22/2004 | US20040078820 Personal preferred viewing using electronic program guide |
| 04/22/2004 | US20040078816 System and method for simplifying different types of searches in electronic program guide |
| 04/22/2004 | US20040078815 Interactive program guide systems and processes |
| 04/22/2004 | US20040078812 Method and apparatus for acquiring media services available from content aggregators |
| 04/22/2004 | US20040078805 System method and apparatus for capturing recording transmitting and displaying dynamic sessions |
| 04/22/2004 | US20040078753 Method and apparatus for identifying features of multidimensional image data in hypermedia systems |
| 04/22/2004 | US20040078336 Information processing device, electronic device, information processing method and medium |
| 04/22/2004 | US20040075771 Antenna level display device and method, and receiving apparatus |
| 04/22/2004 | US20040075749 Communication apparatus and method |
| 04/22/2004 | US20040075678 Multimedia contents editing apparatus and multimedia contents playback apparatus |
| 04/22/2004 | US20040075670 Method and system for receiving interactive dynamic overlays through a data stream and displaying it over a video content |
| 04/22/2004 | US20040075668 Subtitling transmission system |
| 04/22/2004 | DE10296360T5 Video-Bitstrom-Reiniger Video bitstream Cleaner |
| 04/22/2004 | DE10196978T5 System und Verfahren zum Einfügen und Integrieren eines fließenden Videoinhaltes in ein digitales Medium System and method for inserting and integrating a flowing video content in a digital medium |
| 04/21/2004 | EP1411728A1 Method and system for presenting television programming and interactive entertainment |
| 04/21/2004 | EP1411723A1 Program; related information fetch system and method |
| 04/21/2004 | EP1411718A1 Broadcast system |
| 04/21/2004 | EP1411491A1 Display control device and method |
| 04/21/2004 | EP1411439A2 Playback apparatus and playback method |
| 04/21/2004 | EP1410643A2 Method and system for streaming media with multiple description |
| 04/21/2004 | EP1410639A1 Bandwidth optimization for on-demand services |
| 04/21/2004 | EP1410636A1 External memory for pvr |