Patents for H04N 7 - Television systems (274,023)
11/2004
11/03/2004EP1472867A1 Transmission system
11/03/2004EP1472865A1 Distribution of encrypted information
11/03/2004EP1472863A2 Apparatus and method for providing electronic image manipulation in video conferencing applications
11/03/2004EP1472858A2 System for providing time dependent conditional access
11/03/2004EP1472847A1 Streaming multimedia data over a network having a variable bandwidth
11/03/2004EP1472845A1 Targeted scalable video multicast based on client bandwidth or capability
11/03/2004EP1472837A2 Method for multimedia flow transport
11/03/2004EP1472833A1 System for transferring and filtering video content data
11/03/2004EP1472815A2 Generation of a watermark being unique to a receiver of a multicast transmission of multimedia
11/03/2004EP1472801A1 A stream based bitrate transcoder for mpeg coded video
11/03/2004EP1472796A2 Robust signal coding
11/03/2004EP1472794A1 Method and apparatus for variable length coding of bit planes
11/03/2004EP1472793A1 Data compression and expansion of a digital information signal
11/03/2004EP1472697A1 Centralized digital video recording system with bookmarking and playback from multiple locations
11/03/2004EP1472692A1 System and method for the copy-protected and use-protected coding and decoding, transmission, and storage of electronic audio and visual media
11/03/2004EP1472691A1 System and method for the production and distribution of copy-protected and use-protected electronic audio and visual media and the data contents thereof
11/03/2004EP1472690A1 Cryptographic module for the storage and playback of copy-protected electronic tone and image media which is protected in terms of use
11/03/2004EP1472678A2 Apparatus and method for interfacing a digital video signal having a tdms format with a plurality of digital video interface receivers
11/03/2004EP1472592A1 System and method for using a personal digital assistant as an electronic program guide
11/03/2004EP1323311A4 Pc-based digital video recorder system with a multiple of usb cameras
11/03/2004EP1316213B1 Method for conditional access to payload data for supporting financing of multimedia content through advertising
11/03/2004EP1243134B1 Method and system for downloading and storing interactive device content using the horizontal overscan portion of a video signal
11/03/2004EP1206881B1 Apparatus and method for compressing a motion vector field
11/03/2004EP1074126B1 Variable bit rate transmission of av signal in packet network
11/03/2004EP0943206B1 Camera positioning system
11/03/2004EP0713621B1 Method and apparatus for uniquely encrypting a plurality of services at a transmission site
11/03/2004CN2653822Y Image monitor with combined digital and analogue technology
11/03/2004CN2653821Y Visual safety system for entrance guard
11/03/2004CN2653820Y Visual emergency telephone system on high level road
11/03/2004CN1543753A Sound image localizer
11/03/2004CN1543746A Media data use measurement with remote decoding/pattern matching
11/03/2004CN1543745A System and method for hybrid conditional access for receivers of encrypted transmissions
11/03/2004CN1543744A Data converting apparatus and data converting method, learning apparatus and learning method, and program and recording medium
11/03/2004CN1543743A Method and apparatus for displaying equivalent announcements
11/03/2004CN1543737A Method and apparatus for managing tv broadcast content that has synchronized web applications
11/03/2004CN1543734A Generating and implementing a communication protocol and interface for high data rate signal transfer
11/03/2004CN1543729A Manager posts shortlist based on contingency
11/03/2004CN1543722A Simultaneous transmission of standard 8-VSB and robust 2-VSB (4-VSB) symbols in atsc system
11/03/2004CN1543449A Solvents containing cycloalkyl alkyl ethers and process for production of the ethers
11/03/2004CN1543245A Z index processing method of SMIL file in mobile terminal
11/03/2004CN1543225A Video apparatus with receiver and processing device
11/03/2004CN1543224A Encoding/decoding apparatus and encoding-multiplexing/decoding-demultiplexing apparatus
11/03/2004CN1543223A Image encoder and image decoder
11/03/2004CN1543222A Multi-path picture mixing method based on DTC space
11/03/2004CN1543221A Method and apparatus for 1/4 pixel precision interpolation
11/03/2004CN1543220A Video decoding device and method
11/03/2004CN1543219A Digital transmission system with enhanced data multiplexing in VSB transmission system
11/03/2004CN1543218A Method for adapting digital cinema content to audience metrics
11/03/2004CN1543217A Broadcast type VOD system based on multicast and request method thereof
11/03/2004CN1543216A Common interface controller and method of descrambling transport stream channels
11/03/2004CN1543215A 一种家庭多媒体系统 A home multimedia system
11/03/2004CN1543214A A collision resolving algorithm supporting priority for CATV network
11/03/2004CN1543212A Reproducing apparatus
11/03/2004CN1543211A Video data recording/reproducing apparatus and video data management method for use in the same
11/03/2004CN1543210A 图像数据处理系统及图像数据读取和写入方法 Image data processing system and image data read and write methods
11/03/2004CN1543209A Digital video signal record and playback device and method
11/03/2004CN1543203A Method and system for modifying digital cinema frame content
11/03/2004CN1543200A Monitoring device composed of united video camera
11/03/2004CN1543194A Network camera embedded with hub
11/03/2004CN1543192A Data transmission apparatus, data reception apparatus, data communication system, and data communication administration server
11/03/2004CN1543181A A distributed mix processing method
11/03/2004CN1543164A Server-based rate control in a multimedia streaming environment
11/03/2004CN1543154A AFC circuit, carrier recovery circuit and receiver device
11/03/2004CN1543123A Distributed multimedia conference system based on IP network
11/03/2004CN1543120A Method and apparatus for presence indication
11/03/2004CN1543115A A method for preventing network address translation (NAT) device from being attacked by network user
11/03/2004CN1543079A Low noise block down converter with reduced power consumption
11/03/2004CN1542678A Authentication object image pick-up device and method thereof
11/03/2004CN1542582A Tying a digital license to a user and tying the user to multiple computing devices in a digital rights management (DRM) system
11/03/2004CN1174666C Housing structure of frequency variator for receiving satellite transmission signals
11/03/2004CN1174649C Camera device and portable telephone using same
11/03/2004CN1174636C Method and apparatus for coding and for decoding picture sequence
11/03/2004CN1174635C Method for motion estimation of moving picture
11/03/2004CN1174634C Context-based arithmetic encoding/decoding method and apparatus
11/03/2004CN1174633C Motion picture compression circuit and method using motion vector
11/03/2004CN1174632C Method for reducing signal degradation
11/03/2004CN1174631C partially buffering transmitted data to provide robust error recovery
11/03/2004CN1174630C Motion estimation method and apparatus employing sub-sampling technique
11/03/2004CN1174629C Image encoding method
11/03/2004CN1174628C Method and apparatus for binary shape encoding
11/03/2004CN1174627C Watermarked material processing
11/03/2004CN1174626C Picture coding device
11/03/2004CN1174624C Changeable bit rate coding device
11/03/2004CN1174623C Multi-function vehicle-carried video camera system and image display method
11/03/2004CN1174622C System and method for displaying near video on demand
11/03/2004CN1174621C Projector
11/03/2004CN1174620C Impulse pay per use method and system for data and multimedia service
11/03/2004CN1174619C Scrambling unit for digital transmission system
11/03/2004CN1174617C 图像处理装置 The image processing apparatus
11/03/2004CN1174616C Reversible wavelet change and embedded code-flow process
11/03/2004CN1174607C Device and method for image coding, device and method for image decoding, and record carrier
11/03/2004CN1174600C 远距离电视电话系统 Remote video phone system
11/03/2004CN1174593C Audio frequency/ or video signal transmission system, its emission and receiving equipment
11/03/2004CN1174578C Process for data certification by scrambling and certification system using such process
11/03/2004CN1174555C Variable-length coding method and device
11/03/2004CN1174315C Detector for initial code
11/02/2004US6813778 Method and system for downloading and managing the enablement of a list of code objects
11/02/2004US6813777 Transaction dispatcher for a passenger entertainment system, method and article of manufacture
11/02/2004US6813776 Method for automatic and semi-automatic event scheduling based on information embedded in multimedia content
11/02/2004US6813775 Method and apparatus for sharing viewing preferences