Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
02/2007
02/28/2007CN1921556A Image display device with digital broadcast application program updating function and control method thereof
02/28/2007CN1921553A Broadcasting data receiving apparatus
02/28/2007CN1921414A NGN system and end to end tracing method and device applied in this system
02/28/2007CN1921359A Digital multimedia broadcasting system and method for managing multimedia broadcast channels
02/28/2007CN1302661C Method for editing program guide
02/27/2007US7185355 Program guide system with preference profiles
02/27/2007US7185352 Method and apparatus for combining broadcast schedules and content on a digital broadcast-enabled client platform
02/27/2007US7184548 Encoding and decoding methods for secure scalable streaming and related systems
02/27/2007US7184398 Allocating access across shared communications medium to user classes
02/27/2007US7184058 Graphics display system with anti-aliased text and graphics feature
02/22/2007US20070044015 Control apparatus and control method for controlling device connected to computer network
02/22/2007US20070043847 Multimedia synchronization method and device
02/22/2007US20070041407 Method and system for transmission and reception, method and apparatus for transmission, and method and apparatus for reception, and program
02/22/2007US20070040938 Communication system in digital television
02/22/2007US20070040937 Digital multimedia broadcasting system and method for managing multimedia broadcast channels
02/22/2007US20070040818 Moving image distribution system and moving image distribution server
02/21/2007EP1348302B1 Method and system for control of broadcast content access
02/21/2007CN1918904A 电视接收机以及电子设备装置 The television receiver device and an electronic device
02/21/2007CN1917636A Moving image distribution system and moving image distribution server
02/21/2007CN1917567A Method and system for transmission and reception, method and apparatus for transmission, and method and apparatus for reception, and program
02/21/2007CN1917071A Method and apparatus for efficiently fixing transformed part of content
02/20/2007US7181622 Derivation and quantization of robust non-local characteristics for blind watermarking
02/20/2007US7181431 Interactive information services system and associated method for facilitating purchasing transactions
02/20/2007US7181300 Single use media device
02/20/2007US7181128 Program recording apparatus and program recording medium
02/20/2007US7181124 Methods, systems and data structures for timecoding media samples
02/20/2007US7180475 Method and apparatus for wireless image transmission to a projector
02/15/2007US20070036520 Recording medium, recording apparatus and recording method for recording data into recording medium, and reproducing apparatus and reproducing method for reproducing data from recording medium
02/15/2007US20070036354 Encoding and decoding methods for secure scalable streaming and related systems
02/15/2007US20070035560 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/15/2007US20070035471 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/15/2007US20070035470 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/15/2007US20070035469 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/14/2007EP1753249A2 Method and apparatus for multiplexing and distributing data with preformatted real time video
02/14/2007EP1753248A2 Generalized reference decoder for image or video processing
02/14/2007EP1753227A1 Communication system and communication method
02/14/2007EP1751988A1 Seamless switching between random access units multiplexed in a multi angle view multimedia stream
02/14/2007EP1751648A1 Integrity protection of streamed content
02/14/2007EP0977401B1 Electronic device, electronic device using method, and electronic device system
02/14/2007EP0974229B8 Broadcast and reception system, and conditional access system therefor
02/14/2007EP0954927B1 Video buffer for seamless splicing of mpeg streams
02/14/2007EP0947100B1 Electronic programming guide with movie preview
02/14/2007CN1913625A Video data transmitting/receiving method and video monitor system
02/14/2007CN1913618A Wireless television device, wireless television system and control method thereof
02/14/2007CN1912885A Systems and methods for secure transaction management and electronic rights protection
02/14/2007CN1300726C Multimedia search and browse method using multimedia user simple document information structure
02/13/2007US7178162 Incorporating graphics and interactive triggers in a video stream
02/13/2007US7178159 Information providing apparatus
02/13/2007US7178152 Application programming interface for communication between audio/video file system and audio video controller
02/13/2007US7177844 Apparatus and method for activation of a security module in a set-top retail environment
02/13/2007US7177522 System and method for personal video recording
02/13/2007US7177521 Recording medium of stream data, and recording method and playback method of the same
02/13/2007US7177429 System and methods for permitting open access to data objects and for securing data within the data objects
02/13/2007CA2406929C Improvements in receivers for television signals
02/13/2007CA2300979C Advanced television system
02/13/2007CA2221099C Asymmetric data communications system
02/08/2007US20070033615 Television program guide with a digital storage device and a secondary storage device
02/08/2007US20070033611 Method and apparatus for displaying viewing time and TV ratings based on viewer grade
02/08/2007US20070033391 Data distribution apparatus and data communications system
02/08/2007US20070032978 Receiving apparatus and receiving method
02/08/2007US20070031123 Signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus
02/08/2007US20070030395 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/08/2007US20070030394 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/08/2007US20070030393 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/08/2007US20070030390 Apparatus for providing multiple screens and method of dynamically configuring screens
02/08/2007US20070030389 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/08/2007US20070030289 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/08/2007US20070030263 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
02/08/2007DE4228753B4 Verfahren und Einrichtung für den Fernsehempfang Method and apparatus for television reception
02/07/2007EP1750444A1 Method and apparatus for displaying viewing time and TV ratings based on viewer grade
02/07/2007CN1910919A Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof
02/07/2007CN1909640A Information processing apparatus and method of protecting contents which is applied to the apparatus
02/07/2007CN1909599A Method and apparatus for displaying viewing time and TV ratings based on viewer grade
02/07/2007CN1909443A Data distribution apparatus and data communications system
02/07/2007CN1909411A Network system and method for ground digital multimedia broadcasting by using satellite data path
02/07/2007CN1299507C System for forming and processing MPEG compatible datastream incorporating internet information
02/06/2007US7174562 Interactive television triggers having connected content/disconnected content attribute
02/06/2007US7174561 MPEG dual-channel decoder data and control protocols for real-time video streaming
02/06/2007US7174518 Remote control method having GUI function, and system using the same
02/06/2007US7174512 Portal for a communications system
02/06/2007US7174384 Method for delivering large amounts of data with interactivity in an on-demand system
02/06/2007US7174085 Apparatus and method of seamless switching between a live DTV decoding and a PVR playback
02/06/2007US7173970 Methods and apparatus for decoding and displaying multiple digital images in parallel
02/06/2007US7173948 Optical transmission/reception system for various video signals
02/06/2007US7173946 Multimedia multiplexing method
02/06/2007US7173626 Animation distributing method, server and system
02/06/2007CA2499751C User interface for television schedule system
02/06/2007CA2400421C Single clock reference for compressed domain processing systems
02/01/2007WO2007013334A1 Video synthesis device and program
02/01/2007WO2007013294A1 Remote control system, remote controller, and remote control method
02/01/2007US20070028276 Method and apparatus for receiving digital broadcasts
02/01/2007US20070028265 System and method for displaying editorial content through television navigation controls and electronic program guides
02/01/2007US20070028258 Internet protocol television authorization filtering
02/01/2007DE102006034363A1 Activity authorizing method for e.g. Internet protocol television environment, involves receiving request to exceed authorization limit, where request is presented to account administrator and authorization is notified to viewer
01/2007
01/31/2007EP1444830A4 Method and apparatus for encrypting media programs for later purchase and viewing
01/31/2007CN1905659A Optical disc and its recorder, a replayer, a recording method, and a reproducing method
01/31/2007CN1905658A Optical disc and its recorder, a replayer, a recording method, and a reproducing method
01/31/2007CN1905657A Optical disc and its recorder, a replayer, a recording method, and a reproducing method
01/31/2007CN1905654A Image display device and method for providing video-recording product using the same
01/31/2007CN1905652A Video device and its controlling method and method for recording video or video signal