Patents for H04N 7 - Television systems (274,023)
03/2009
03/04/2009CN100466588C Method and system for realizing the carrier intercommunication based on the virtual relay
03/04/2009CN100466586C Transmitter device and relay device for performing data transmission control
03/04/2009CN100466584C Processing method for loop network protection
03/04/2009CN100466583C Fast ring network method against attack based on RRPP, apparatus and system
03/04/2009CN100466582C Cross interconnection method for RPR and cross site, cross RPR
03/04/2009CN100466580C Initial method and device of bus system
03/04/2009CN100466578C Communication control method
03/04/2009CN100466577C Method and system for enquiring data of sensor network and sensor node
03/04/2009CN100466576C Method for reducing disposition VPN network through self-organization field
03/04/2009CN100466574C Mobile communications terminal for transmitting data frames in wireless lan and method thereof
03/04/2009CN100466572C Equal access and initial route filtering method for packet network
03/04/2009CN100466571C Handling broadcast and multicast traffic as unicast traffic in a wireless network
03/04/2009CN100466570C WLAN access point and its access method
03/04/2009CN100466568C Household network system, the address setting method and associated electrical appliance equipment
03/04/2009CN100466566C Automatic configuration equipment linked byg network media and the method thereof
03/04/2009CN100466565C Loopback control method and device
03/04/2009CN100466564C Failure monitoring method and device for virtual rented line
03/04/2009CN100466562C Method and system for transmitting test route
03/04/2009CN100466560C Method, system, device for detecting service quality, and charging and fault detecting system
03/04/2009CN100466559C Method for judging spring grouping ring topology stability
03/04/2009CN100466558C Method for realizing tax controlled data monitoring of POS system
03/04/2009CN100466557C Communication net node fault monitoring method
03/04/2009CN100466555C Method and apparatus for transmitting maintenance order
03/04/2009CN100466554C Communication adaptation layer system and method for obtaining the network element information
03/04/2009CN100466553C Method for obtaining exact time and network device
03/04/2009CN100466552C NGN system and end to end tracing method and device applied in this system
03/04/2009CN100466550C Method, device and system for implementing multi-service type structure
03/04/2009CN100466549C Method of identifing VOIP flow based on SIP protocol process performance
03/04/2009CN100466548C Searching method and its system for equipment traffic data
03/04/2009CN100466546C System and method for realizing business protection using LCAS protocol
03/04/2009CN100466545C Data synchronization method between the main board and spare board in the communication system
03/04/2009CN100466544C Method for reporting board performance data of equipment
03/04/2009CN100466542C Service gradation based loss distribution method
03/04/2009CN100466541C Service network tracking system and tracking method
03/04/2009CN100466540C State detection method based on main and backup Ethernet interface
03/04/2009CN100466538C Method and apparatus for changing the operation mode of an agent of a management network
03/04/2009CN100466537C Device for detecting computer access state in network and detecting method
03/04/2009CN100466536C System and method for managing protocol network failures in a cluster system
03/04/2009CN100466534C Method for processing faults in multimedia sub-system equipment
03/04/2009CN100466533C Network medium content safety macromonitoring method
03/04/2009CN100466532C Set-up method and its system for broadcast multi-cast service transmission mode
03/04/2009CN100466530C Method and device for connecting a plurality of conferences
03/04/2009CN100466529C Method and system for implementing multi-media recording
03/04/2009CN100466528C Interconnected network web information issuing method
03/04/2009CN100466526C Credit control client terminal, credit control server, charging system and charging method
03/04/2009CN100466525C Buffer-based magnitude charging middle message processing method
03/04/2009CN100466523C Charge system and method for combining on-line charge with off-line charge
03/04/2009CN100466522C Farend access communication system, and control method
03/04/2009CN100466520C Method, system for controlling front-end equipment and administrative server
03/04/2009CN100466519C Method for downloading a plurality of files simultaneously in broadcasting network
03/04/2009CN100466517C Conversion method of the long-evolving network and its user device states
03/04/2009CN100466516C Biological identifying method for resisting replay attach
03/04/2009CN100466514C Weighted secret key sharing and reconstructing method
03/04/2009CN100466513C System and method for protecting received and sent data by parity check bit
03/04/2009CN100466511C System and method for controlling a mobile terminal
03/04/2009CN100466510C A method for preventing network address translation (NAT) device from being attacked by network user
03/04/2009CN100466508C Automatic equalization system
03/04/2009CN100466507C Method and device for connecting sensors or actuators to a bus system
03/04/2009CN100466505C Method and apparatus for realizing high-speed downlink packet dispatching
03/04/2009CN100466504C Read enable generator, read enable signal generating method and data transmission method
03/04/2009CN100466502C Channel coding method for communication system
03/04/2009CN100466501C Method for producing long code mask for cluster service
03/04/2009CN100466499C Method for transmitting two parallel channels using code division and apparatus for realizing the method
03/04/2009CN100466498C Method and equipment for reaching synchronization to base station
03/04/2009CN100466496C Apparatus and method for short calling setup in a mobile communication system
03/04/2009CN100466494C Digital radio frequency transfer system
03/04/2009CN100466492C Self-adaptive and multi-address access method
03/04/2009CN100466011C Electric forensics device for obtaining the evidence of illegal sound horns, electric policeman system and evidence obtaining method
03/04/2009CN100465940C Stochastic adaptive streaming of content transmission method and equipment
03/03/2009US7500271 Reproducing apparatus and information distribution system
03/03/2009US7500270 Method for utilizing intelligent clock controller in digital rights management
03/03/2009US7500267 Systems and methods for disabling software components to protect digital media
03/03/2009US7500261 Multi-point multi-channel data distribution system
03/03/2009US7500260 Motion video indexing mechanism for athlete recruiting architecture
03/03/2009US7500259 Video signal receiver with daylight savings time transition support
03/03/2009US7500258 Advertisement subgroups for digital streams
03/03/2009US7500257 Broadcast content screening system and method
03/03/2009US7500256 Viewing terminal, viewing authorization system, method for authorizing viewing, remote education method, and recorded medium
03/03/2009US7500202 Remote control for navigating through content in an organized and categorized fashion
03/03/2009US7500195 Method and system for transforming content for execution on multiple platforms
03/03/2009US7500177 Method and apparatus for a home network auto-tree builder
03/03/2009US7500159 Data transmission apparatus and method
03/03/2009US7500103 Data parsing and tokenizing apparatus, method and program
03/03/2009US7500007 Method and apparatus for identifying media content presented on a media playing device
03/03/2009US7499993 Media contents monitoring apparatus and method thereof
03/03/2009US7499918 Information processing apparatus and method, program, and recording medium
03/03/2009US7499859 Video device with voice-assisted system
03/03/2009US7499644 Vehicle with a catadioptric camera
03/03/2009US7499631 Data stream format conversion method and recording method for the same
03/03/2009US7499630 Method for playing back multimedia data using an entertainment device
03/03/2009US7499628 Enhancing operations of video tape cassette players
03/03/2009US7499627 Method and apparatus for recording and reproducing information
03/03/2009US7499616 Active optical cable with electrical connector
03/03/2009US7499594 Multi-resolution predictive foveation for bandwidth reduction of moving images
03/03/2009US7499592 Image decoding apparatus and its control method
03/03/2009US7499574 Video-based face recognition using probabilistic appearance manifolds
03/03/2009US7499571 Video surveillance system with rule-based reasoning and multiple-hypothesis scoring
03/03/2009US7499570 Illumination invariant change detection
03/03/2009US7499568 Method, apparatus, and program for image processing capable of preventing, detecting and correcting image alteration, and a medium storing the program
03/03/2009US7499564 Methods for decoding watermark data from audio, and controlling audio devices in accordance therewith