Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
07/2012
07/04/2012CN101860734B Method for implementing incremental transmission and display of dynamic images through AJAX
07/04/2012CN101854463B Method and device for implementing dual-mode set-top box
07/04/2012CN101848367B File-based video live webcasting method
07/04/2012CN101827109B Transmission apparatus, reception apparatus, and transmission/reception apparatus
07/04/2012CN101809550B Dlna-compliant device, DLNA connection setting method and program
07/04/2012CN101808218B Method, device and system for acquiring and updating content of electronic program guide
07/04/2012CN101803381B Display device, data transmitting method in display device, transmission device, and data receiving method in transmission device
07/04/2012CN101795371B Interactive television systems with digital video recording and adjustable reminders
07/04/2012CN101783925B Method for security protection of video data of set top box for peer-to-peer computing
07/04/2012CN101783908B Method and device for switching prompt information in video equipment
07/04/2012CN101715645B Method of providing digital TV application
07/04/2012CN101714151B SQL database-based set top box data storage method
07/04/2012CN101686360B Interface circuit and video apparatus
07/04/2012CN101682734B Method of inserting promotional content within downloaded video content
07/04/2012CN101682439B Method for using contents, method for sharing contents and device based on security level
07/04/2012CN101668199B Method for sending and acquiring stream media, device and system therefor
07/04/2012CN101668179B Video on demand method based on bidirectional digital transmission network and set top box
07/04/2012CN101668152B Device and method for accessing portable media player
07/04/2012CN101656850B Method and user terminal for watching missed television programs
07/04/2012CN101652998B Advertisement server, user terminal, advertisement method, and advertisement viewing program
07/04/2012CN101650765B Cryptographic-key management system, external device, and cryptographic-key management program
07/04/2012CN101635854B Method and device for realizing transcoding merging
07/04/2012CN101635784B Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof
07/04/2012CN101606383B Media signal sink and method for playing image thereof
07/04/2012CN101605298B China mobile multimedia advertisement service playing method and playing device thereof
07/04/2012CN101600119B Signal transmitting device, signal transmitting method, signal receiving device, and signal receiving method
07/04/2012CN101594526B Searching method of network information table in digital TV set and digital TV set
07/04/2012CN101594455B CMMB conditional access module
07/04/2012CN101584214B 数字广播接收机 The digital broadcast receiver
07/04/2012CN101583016B Method for displaying and sending service status information, user terminal equipment and service processing unit
07/04/2012CN101552796B Time-shifting operation method and device thereof
07/04/2012CN101543000B Data processing unit
07/04/2012CN101526958B Method and system for synchronizing data between IPTV system modules
07/04/2012CN101521725B Method for writing sequence number in set-top box through remote controller and set-top box
07/04/2012CN101505409B Method for playing mobile multimedia broadcast program through browser and terminal thereof
07/04/2012CN101472162B Method and device for embedding and recovering prime image from image with visible watermark
07/04/2012CN101448070B Method for switching intelligent card of set-top box and device thereof
07/04/2012CN101442633B Method and apparatus for browsing and playing sub window frequency channel
07/04/2012CN101401425B Method for validating access to a product by a security module
07/04/2012CN101374279B System and method for mobile terminal to use IPTV business
07/04/2012CN101374102B Method, equipment and functional entity for transferring IPTV business parameter
07/04/2012CN101355638B Method and apparatus for providing red alert event notification
07/04/2012CN101312513B Audio and video program processing system and method
07/04/2012CN101309391B Method of playing broadcast program contents using encryption and decryption techniques
07/04/2012CN101253768B System and method for providing searchable data transport stream encryption
07/04/2012CN101242514B Apparatus and method for converting multimedia content, and multimedia content distribution system
07/04/2012CN101212554B Method for upgrading set-top box system
07/04/2012CN101207501B IP broadcasting system and a multicast group management apparatus for the same
07/04/2012CN101166260B Method and device for image coding and watermark removal
07/04/2012CN101155298B Method and system for implementing fast switching television channel
07/04/2012CN101136861B Method of providing an IPTV service and network unit
07/04/2012CN101123717B A device and method for quick switching of channels
07/04/2012CN101102486B Information storage medium storing graphic data and apparatus and method of processing the graphic data
07/04/2012CN101005606B Method and device for reducing medium playing delay
07/03/2012US8214874 Method for the distribution of audio-visual information and a system for the distribution of audio-visual information
07/03/2012US8214867 Delivery of feedback information to scheduling service to determine optimum broadcast times based upon client platform tuner contention
07/03/2012US8213768 Packet transmitting apparatus
07/03/2012US8213468 Method and apparatus for generating information signal to be recorded
07/03/2012CA2508427C Method of managing the display of event specifications with conditional access
06/2012
06/30/2012CA2755173A1 Determining whether an advertisement aired in accordance with predefined airing specifications
06/29/2012CA2762808A1 Method and system for trigger management in an interactive television environment
06/28/2012WO2012088374A1 Method and system for providing media recommendations
06/28/2012WO2012088359A2 Content adaptive impairments compensation filtering for high efficiency video coding
06/28/2012WO2012088332A1 Signal-driven interactive television
06/28/2012WO2012088005A1 Apparatus and method for electronic program guide improvement
06/28/2012WO2012087950A1 Method and apparatus for providing parental control using a playlist
06/28/2012WO2012087947A1 Video content navigation with revenue maximization
06/28/2012WO2012087860A1 Remote control device and method for controlling operation of a media display system
06/28/2012WO2012087735A1 Method and system for sending video edit information
06/28/2012WO2012087721A1 System and method for transferring digital content
06/28/2012WO2012087540A1 Associating information with electronic program guide entries
06/28/2012WO2012087481A1 Video player with assisted seek
06/28/2012WO2012087478A1 Svc-to-avc rewriter with open-loop statistal multplexer
06/28/2012WO2012087418A1 Realtime search grid updates
06/28/2012WO2012087042A2 Broadcast transmitting apparatus and broadcast transmitting method for providing an object-based audio, and broadcast playback apparatus and broadcast playback method
06/28/2012WO2012087022A2 Slave display device, set-top box and digital content control system comprising same
06/28/2012WO2012086982A2 Display control device, display control method and program
06/28/2012WO2012085900A1 Dynamic profile creation in response to facial recognition
06/28/2012WO2012085897A2 Content access control for multi-user systems
06/28/2012WO2012085504A1 A method for delivering video content encoded at one or more quality levels over a data network
06/28/2012WO2012085283A1 Methods and apparatuses to facilitate preselection of programming preferences
06/28/2012WO2012084908A1 Recognition of images within a video based on a stored representation
06/28/2012WO2012084447A1 System and method for managing a content catalogue
06/28/2012WO2012083836A1 Information push equipment, method, server and video playback equipment
06/28/2012WO2012083462A1 Real-time media stream insertion method and apparatus
06/28/2012WO2012033660A3 Remote control of television displays
06/28/2012WO2012033319A3 Apparatus and method for providing streaming content
06/28/2012WO2012030178A3 Method and device for providing streaming content
06/28/2012US20120167156 Modular architecture having reusable front end for processing digital video data
06/28/2012US20120167155 Method for provisioning a multimedia service
06/28/2012US20120167154 System and method for providing social network service to multiple screen devices
06/28/2012US20120167153 System for providing broadcast service and method for providing broadcast service
06/28/2012US20120167152 Navigation Within Switched Digital Streamed Content
06/28/2012US20120167151 Cloud computing based video service and playing methods
06/28/2012US20120167148 Shared Content Storage
06/28/2012US20120167140 System and method of providing personalized service
06/28/2012US20120167139 Information processing apparatus and display changeover method
06/28/2012US20120167136 Method and apparatus for displaying television programs and related text
06/28/2012US20120167135 Broadcast augmented reality advertisement service system and method based on media id matching
06/28/2012US20120167134 Method and Apparatus for Targeting of Interactive Virtual Objects