| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 05/12/1999 | EP0914636A1 System and method for processing object-based audiovisual information |
| 05/12/1999 | CN1216662A Method and system for implementing interactive broadcast programs and commercials |
| 05/12/1999 | CN1216661A Fast extraction of program specific information from multiple transport streams |
| 05/12/1999 | CN1216425A Image signal data structure, image coding method, and image decoding method |
| 05/11/1999 | US5903816 Interactive television system and method for displaying web-like stills with hyperlinks |
| 05/11/1999 | US5903569 Digital serial data interface |
| 05/11/1999 | US5903324 Transport processor interface for a digital television system |
| 05/11/1999 | US5903266 For a data processing system |
| 05/11/1999 | US5903264 Video delivery system and method for displaying an indexing slider bar |
| 05/11/1999 | US5903263 Video-on-demand system capable of performing a high-speed playback at a correct speed |
| 05/11/1999 | US5903256 Method and apparatus for performing a memo function in a display system |
| 05/11/1999 | CA2106919C Communication system |
| 05/10/1999 | CA2253106A1 Dynamic network configuration of a one-way adapter using a proxy agent that communicates with the resource server through a configured return path adapter |
| 05/06/1999 | WO1999022524A1 Image decoder, image encoder, image communication system, and encoded bit stream converter |
| 05/06/1999 | EP0914010A2 Clock signal generation apparatus |
| 05/06/1999 | EP0914008A2 Image signal data structure, image coding method, and image decoding method |
| 05/06/1999 | EP0913041A1 A method and apparatus for incorporating an appliance unit into a computer system |
| 05/05/1999 | CN1216195A 经改进的电视调谐系统 Improved television tuning system |
| 05/05/1999 | CN1215953A Multi-regional interactive program guide for television |
| 05/04/1999 | US5901339 Pay broadcasting system |
| 05/04/1999 | US5901289 Method and system for real-time displaying of MPEG-2 compressed video data within an electronic test equipment |
| 05/04/1999 | US5901178 Post-compression hidden data transport for video |
| 05/04/1999 | US5900915 HD to SD guide converter for electronic television schedule system |
| 05/04/1999 | US5900905 System and method for linking video, services and applications in an interactive television system |
| 05/04/1999 | US5900904 Picture reproduction position detecting apparatus for use with video on demand system |
| 05/04/1999 | US5900868 Method and apparatus for multiple channel display |
| 05/04/1999 | US5900566 Karaoke playback apparatus utilizing digital multi-channel broadcasting |
| 05/04/1999 | US5899582 Movie-on-demand disk storage loop architecture |
| 05/04/1999 | CA2165705C An interactive system for communications between a cordless telephone and a remotely operated device |
| 04/29/1999 | WO1999021362A2 Method and apparatus for implementing seamless playback of continuous video feeds |
| 04/29/1999 | WO1999021358A1 Automated language filter |
| 04/29/1999 | WO1999021309A1 Method and apparatus for upgrading features and functions of a set top box in the field |
| 04/29/1999 | CA2309197A1 Method and apparatus for upgrading features and functions of a set top box in the field |
| 04/29/1999 | CA2303378A1 Automated language filter |
| 04/28/1999 | EP0912064A2 A selectable depacketizer architecture |
| 04/28/1999 | EP0912063A2 A method for computational graceful degradation in an audiovisual compression system |
| 04/28/1999 | EP0912059A2 Terminal with multiple audio and video |
| 04/28/1999 | EP0912058A2 Method and apparatus for providing broadcast data services |
| 04/28/1999 | EP0912054A2 Multi-regional interactive program guide for television |
| 04/28/1999 | EP0912051A2 Method for using audio and video devices and audio and video device system |
| 04/28/1999 | EP0745295A4 Multimedia multiplexing device and method using dynamic packet segmentation |
| 04/28/1999 | CN1215528A Method for providing a secure communication between two devices and application of this method |
| 04/27/1999 | US5898695 Decoder for compressed and multiplexed video and audio data |
| 04/27/1999 | CA2251416A1 A selectable depacketizer architecture |
| 04/22/1999 | WO1999020051A1 Video data multiplexer, video data multiplexing control method, method and apparatus for multiplexing encoded stream, and encoding method and apparatus |
| 04/22/1999 | WO1999020047A1 Program guide data distribution system with configurable queues |
| 04/22/1999 | WO1999020026A1 Automatic linking to program-specific computer chat rooms |
| 04/22/1999 | WO1999020010A1 Variable bandwidth communication systems and methods |
| 04/22/1999 | WO1999020008A1 System for collecting television program data |
| 04/22/1999 | WO1999019854A1 Method and apparatus for sending presence messages |
| 04/22/1999 | WO1999019820A1 Electronic audio connection system and methods for providing same |
| 04/22/1999 | WO1999019804A2 Method and apparatus for sending and receiving lightweight messages |
| 04/22/1999 | WO1999003281A9 Graphic scene animation signal, corresponding method and device |
| 04/22/1999 | CA2305701A1 Automatic linking to program-specific computer chat rooms |
| 04/22/1999 | CA2304825A1 System for collecting television program data |
| 04/21/1999 | EP0910218A2 Audio program reception terminal for television delivery system |
| 04/21/1999 | EP0909513A1 Interactive television system and method for displaying web-like stills with hyperlinks |
| 04/21/1999 | EP0909512A1 Interactive television system and method having on-demand web-like navigational capabilities for displaying requested hyperlinked web-like still images associated with television content |
| 04/21/1999 | EP0909510A1 Video delivery system and method which desplays a slider bar on the subscriber video screen for indexing into a video stream |
| 04/21/1999 | EP0909509A1 System and method for generation and interfacing of bitstreams representing mpeg-coded audiovisual objects |
| 04/21/1999 | CN1214825A Game machine system, broadcasting system, data distribution system and its method, and program executing device and its method |
| 04/21/1999 | CN1214499A 数据记录介质 Data recording medium |
| 04/20/1999 | US5896414 Method and apparatus for providing control channel communications for an information distribution system |
| 04/20/1999 | US5896129 User friendly passenger interface including audio menuing for the visually impaired and closed captioning for the hearing impaired for an interactive flight entertainment system |
| 04/20/1999 | CA2073120C An image encoding and transmitting system |
| 04/15/1999 | WO1999018722A1 Interactive television program guide system with operator showcase |
| 04/15/1999 | WO1999018721A1 Interactive television program guide system with pay program package promotion |
| 04/15/1999 | WO1999018506A1 Method and apparatus for targeting a digital information playback device |
| 04/14/1999 | EP0909095A1 Reprogrammable terminal for suggesting programs offered on a television program delivery system |
| 04/14/1999 | EP0908049A1 Television schedule system and method of operation |
| 04/14/1999 | CN1214174A Asymmetric data communications system |
| 04/13/1999 | US5894518 Picture information transmission system and picture coding and decoding apparatus for use with it |
| 04/08/1999 | WO1999017549A1 Interactive graphical user interface for television set-top box |
| 04/08/1999 | WO1999017544A1 A television signal processor |
| 04/08/1999 | WO1999017228A1 Hierarchical method and system for object-based audiovisual descriptive tagging of images for information retrieval, editing, and manipulation |
| 04/07/1999 | EP0906699A1 Method and apparatus for processing a digital signal |
| 04/07/1999 | EP0906693A1 Conditional access system for local storage device |
| 04/07/1999 | EP0906691A1 Ir transmitter with magnetic stripe card reader |
| 04/06/1999 | US5893062 Variable rate video playback with synchronized audio |
| 04/06/1999 | US5893025 CATV converter for receiving both analog and digital signals |
| 04/06/1999 | US5892983 Method of and apparatus for recording information on record medium and apparatus for reproducing the same |
| 04/06/1999 | US5892900 Systems and methods for secure transaction management and electronic rights protection |
| 04/06/1999 | US5892884 Apparatus for controlling a sum of a varying information amount of a video signal and a varying information amount of an audio signal so that the sum is within a predetermined amount of data range |
| 04/06/1999 | US5892535 Flexible, configurable, hierarchical system for distributing programming |
| 04/06/1999 | US5892508 System and method for providing television services |
| 04/06/1999 | US5892498 Interactive scroll program guide |
| 04/06/1999 | CA2061041C Optical communications systems for the subscriber area with optical amplifiers |
| 04/01/1999 | WO1999016253A1 Method and apparatus for reducing memory requirements for storing reference frames in a video decoder |
| 04/01/1999 | WO1999016247A1 Channel scanning and channel change latency reduction in an atsc television receiver |
| 04/01/1999 | WO1999016243A1 Synchronized multiple format video processing method and apparatus |
| 04/01/1999 | WO1999016235A2 Computational resource allocation in an information stream decoder |
| 04/01/1999 | WO1999016196A1 Device and method for generating encoded stream, system and method for transmitting data, and system and method for edition |
| 04/01/1999 | WO1999016012A1 Compression encoder bit allocation utilizing colormetric-adaptive weighting as in flesh-tone weighting |
| 04/01/1999 | WO1999016011A1 Multiple component compression encoder motion search method and apparatus |
| 04/01/1999 | WO1999015968A1 Television interactive access system using urls |
| 04/01/1999 | WO1999015951A1 Data entry system |
| 04/01/1999 | WO1999007145A8 Verification of the source of program of information in a conditional access system |
| 04/01/1999 | WO1999006998B1 Model and command set for an av/c-based disc player/recorder subunit |
| 04/01/1999 | WO1998058494A3 System for the bidirectional communication of voice and data through a distribution network |
| 04/01/1999 | CA2304227A1 Television interactive access system using urls |