| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 08/01/2000 | CA2190115C Method for dynamically allocating communication channel bandwidth between competing applications |
| 08/01/2000 | CA2185704C Method, rate controller, and system for preventing overflow and underflow of a decoder buffer |
| 07/27/2000 | WO2000044173A1 Method and apparatus for selecting and displaying multi-media messages |
| 07/27/2000 | WO2000044172A1 System for providing video on demand |
| 07/27/2000 | WO2000044170A1 Data processing device and data processing method |
| 07/27/2000 | WO2000043899A1 Method and apparatus for multiplexing separately-authored metadata for insertion into a video data stream |
| 07/27/2000 | WO2000004717A9 A conditional access system for broadcast digital television |
| 07/27/2000 | WO1999037094A9 Small-format subsystem for broadband communication services |
| 07/27/2000 | DE19901204A1 Verfahren zur Realisierung von Mehrfach-Punktcodes in einer Vermittlungsstelle A process for the realization of multiple point codes in a switching center |
| 07/26/2000 | EP1021917A1 Method and system for providing a presentation on a network |
| 07/26/2000 | EP0754388B1 Interactive scroll program guide |
| 07/26/2000 | CN1261501A 多媒体多路复用方法 Multimedia multiplexing method |
| 07/26/2000 | CN1261227A Apparatus for image signal transmission |
| 07/25/2000 | US6094680 System and method for managing distributed resources on networks |
| 07/25/2000 | US6094457 Statistical multiplexed video encoding using pre-encoding a priori statistics and a priori and a posteriori statistics |
| 07/25/2000 | US6094224 Moving image coding device |
| 07/25/2000 | US6094211 TV and data cable system ingress noise blocker |
| 07/25/2000 | CA2180111C A digital television system channel guide having a limited lifetime |
| 07/20/2000 | WO2000042781A1 Method for implementing multipoint codes in an exchange |
| 07/20/2000 | WO2000042512A1 Integration of telephone return link using fiber and cable media |
| 07/20/2000 | WO2000020976A3 Method and apparatus for synchronous presentation of interactive video and audio transmissions for tv and internet environments |
| 07/19/2000 | EP1020045A1 System for collecting television program data |
| 07/19/2000 | EP1019852A1 Hierarchical method and system for object-based audiovisual descriptive tagging of images for information retrieval, editing, and manipulation |
| 07/19/2000 | EP1019828A1 Television interactive access system using urls |
| 07/19/2000 | EP1019809A2 Apparatus and method for upgrading a computer system operating system |
| 07/19/2000 | CN1260667A Time arranying apparatus and performance-searching method of inquiry tools in TV receiver |
| 07/19/2000 | CN1260666A Time arranging device and performance-searching method of inquiry tools in TV receiver |
| 07/18/2000 | US6092107 System and method for interfacing MPEG-coded audiovisual objects permitting adaptive control |
| 07/18/2000 | US6091886 Video viewing responsive to content and time restrictions |
| 07/18/2000 | US6091883 Method and device for recording and reading on a large-capacity medium |
| 07/18/2000 | US6091857 System for producing a quantized signal |
| 07/18/2000 | US6091776 Delay balanced video encoder system |
| 07/18/2000 | US6091769 Video decoder having an interfacing function for picture synchronization |
| 07/18/2000 | US6091767 System for improving efficiency of video encoders |
| 07/18/2000 | US6091742 Bi-directional communications protocol |
| 07/18/2000 | US6091735 Broadband circuit identification method for controlling service access |
| 07/18/2000 | US6091457 Method and apparatus for refreshing a display screen of a television system with images representing network application data |
| 07/18/2000 | US6091455 Statistical multiplexer for recording video |
| 07/18/2000 | CA2189136C A distance learning system providing individual television participation, audio responses, and memory for every student |
| 07/13/2000 | WO2000041398A1 Method and apparatus for detecting and preventing bandwidth overflow in a statistical multiplexer |
| 07/13/2000 | WO2000041390A1 Method and interface for incorporating program information into an electronic message |
| 07/13/2000 | WO2000041089A1 Appliances with multiple modes of operation |
| 07/13/2000 | CA2360244A1 Method and apparatus for detecting and preventing bandwidth overflow in a statistical multiplexer |
| 07/13/2000 | CA2322774A1 Appliances with multiple modes of operation |
| 07/12/2000 | EP1018836A1 Receiver and transmitter-receiver |
| 07/12/2000 | EP1018268A1 Interactive graphical user interface for television set-top box |
| 07/12/2000 | EP1018266A1 Method and system for preventing unauthorized playback of broadcasted digital data streams |
| 07/12/2000 | EP1018263A1 Interactive television program guide system with pay program package promotion |
| 07/12/2000 | EP0753235B1 Buffer management in variable bit-rate compression systems |
| 07/12/2000 | CN1260056A 访问控制系统 Access Control System |
| 07/12/2000 | CN1259827A Advanced top terminal for cable TV transmission system |
| 07/12/2000 | CN1259826A Advanced top terminal for cable TV transmission system |
| 07/12/2000 | CN1259736A Device, method and system for data recording and/or reproducing, and recording medium |
| 07/11/2000 | US6088722 System and method for scheduling broadcast of and access to video programs and other data using customer profiles |
| 07/11/2000 | US6088396 Method and apparatus for editing or mixing compressed pictures |
| 07/11/2000 | US6088393 Video signal processing |
| 07/11/2000 | US6088360 Dynamic rate control technique for video multiplexer |
| 07/11/2000 | US6088357 Auxiliary transport assist processor especially for an MPEG-2 compliant decoder |
| 07/06/2000 | WO2000040016A1 Method of data display for electronic program guides |
| 07/06/2000 | WO2000040013A1 System and method for customizing program guide information to include reminder item or local identifier |
| 07/06/2000 | WO2000040007A1 A stream device management system for multimedia clients in a broadcast network architecture |
| 07/06/2000 | WO2000040005A1 Method and apparatus for operating system downloads in a set-top box environment |
| 07/06/2000 | WO2000040004A1 Method and apparatus for providing reliable graphic memory operations in a set-top box environment |
| 07/06/2000 | WO2000039978A2 Internet group broadcast system and method |
| 07/06/2000 | WO2000039947A2 A broadcast data access system for multimedia clients in a broadcast network architecture |
| 07/06/2000 | WO2000039724A2 Internet surveillance system and method |
| 07/05/2000 | EP1017236A2 Transmission managing apparatus, information processing apparatus and information transmitting system |
| 07/05/2000 | EP1017181A2 Encoding device and decoding device |
| 07/05/2000 | EP1016273A1 A method and apparatus for generating and displaying a broadcast system program guide |
| 07/05/2000 | EP1015962A2 Method and apparatus for creating home network macros |
| 07/05/2000 | EP1015953A2 Improved home network, browser based, command and control |
| 07/05/2000 | EP1015952A2 Browser based command and control home network |
| 07/05/2000 | EP0819357A4 Information terminal having reconfigurable memory |
| 07/05/2000 | EP0815676A4 Single oscillator compressed digital information receiver |
| 07/05/2000 | EP0803155A4 An adaptor card providing conditional access |
| 07/04/2000 | USRE36761 Variable transfer rate control coding apparatus |
| 07/04/2000 | US6085326 Apparatus and method for displaying DPMS mode status using an OSD circuit |
| 07/04/2000 | US6085267 Method of and apparatus for recording information on record medium, and apparatus for reproducing the same |
| 07/04/2000 | US6085252 Device, system and method for real-time multimedia streaming |
| 07/04/2000 | US6085163 Using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching |
| 07/04/2000 | US6085019 Apparatus and method for recording and reproducing video data to and from a record medium |
| 07/04/2000 | US6084910 Statistical multiplexer for video signals |
| 07/04/2000 | US6084909 Method of encoding a stream of motion picture data |
| 07/04/2000 | US6084639 Image processing apparatus |
| 07/04/2000 | US6084631 High-speed digital video serial link |
| 06/29/2000 | WO2000038428A1 A method and apparatus for providing on-demand electronic advertising |
| 06/29/2000 | WO2000038425A1 System and method for directed advertising |
| 06/29/2000 | WO2000038421A1 A method and apparatus for providing electronic coupons |
| 06/29/2000 | WO2000038418A1 Method and system for providing a link to programs in a program guide |
| 06/29/2000 | WO2000022488B1 Aircraft data management system |
| 06/29/2000 | WO2000019606A8 Channel selection in digital television background |
| 06/29/2000 | CA2352976A1 System and method for directed advertising |
| 06/28/2000 | EP1014730A1 Forward error correction at MPEG-2 transport stream layer |
| 06/28/2000 | EP1014722A2 Method and apparatus for filtering interference and nonlinear distortions |
| 06/28/2000 | EP1014701A2 Receiving systems, methods and apparatus for digital broadcasting |
| 06/28/2000 | EP1013096A1 System for digital data format conversion and bit stream generation |
| 06/28/2000 | EP1013088A1 Advanced television system |
| 06/28/2000 | EP1013087A1 Systems and methods for replacing television signals |
| 06/28/2000 | EP1013082A4 Method and apparatus for creating a television viewer profile |
| 06/28/2000 | EP1013082A2 Method and apparatus for creating a television viewer profile |