Patents for H04N 7 - Television systems (274,023)
05/1995
05/02/1995US5412431 Device for controlling the quantizer of a hybrid coder
05/02/1995US5412430 Image coding method and image coding apparatus
05/02/1995US5412429 Picture data compression coder using subband/transform coding with a Lempel-Ziv-based coder
05/02/1995US5412428 Encoding method and decoding method of color signal component of picture signal having plurality resolutions
05/02/1995US5412426 Multiplexing of digitally encoded NTSC and HDTV signals over single microwave communication link from television studio to tower transmitter facility for simultaneous broadcast (simulcast) to customer sites by transmitter facility
05/02/1995US5412421 Motion compensated sensor
05/02/1995US5412420 Three-dimensional phenotypic measuring system for animals
05/02/1995US5412419 Magnetic resonance imaging compatible audio and video system
05/02/1995US5412418 Pictorial communication apparatus
05/02/1995US5412417 Video telephone device with automatic video camera angle adjustment
05/02/1995US5412416 Video media distribution network apparatus and method
05/02/1995US5412415 Distribution of digitized composite AM FDM signals
05/02/1995US5412352 Modulator having direct digital synthesis for broadband RF transmission
05/02/1995CA2000156C Picture signal encoding and decoding apparatus
04/1995
04/27/1995WO1995011571A1 Controlled-throughput interframe coding method and device for vcr image recording
04/27/1995WO1995011570A1 A local area network for simultaneous, bi-directional transmission of video bandwidth signals
04/27/1995WO1995011569A1 Television system distributing a dynamically varying number of concurrent video presentations over a single television channel
04/27/1995WO1995011568A1 Apparatus for a television on screen guide
04/27/1995WO1995011566A1 Adaptive videoconferencing system
04/27/1995WO1995011554A1 Error detection and correction apparatus for an asynchronous transfer mode (atm) network device
04/27/1995DE4429017A1 Method for coding data in a data compression system, compression/decompression method and decompression system for decompressing compressed data
04/27/1995DE4336101A1 Still-frame coder having a moving-picture coder as coding unit
04/27/1995CA2174336A1 Adaptive videoconferencing system
04/26/1995EP0650299A1 Image processing system comprising fixed cameras and a system simulating a moving camera
04/26/1995EP0650298A1 Method for coding or decoding time-varying image, and apparatuses for coding/decoding
04/26/1995EP0650297A2 System for transmitting pictures using a transmission channel with a relatively narrow bandwidth
04/26/1995EP0650293A2 Conversion method of the frame frequency of a video signal from 50 Hz to 75 Hz with movement compensation and apparatus for implementing such method
04/26/1995EP0650270A2 High data rate satellite communication system
04/26/1995EP0650269A2 Communication protocol for a high data rate satellite communication system
04/26/1995EP0500579B1 Tv transmission process
04/26/1995EP0460191B1 Methods for reducing quantization error in hierarchical decomposition and reconstruction schemes
04/26/1995CN1102043A 误差跟踪环路 Error tracking loop
04/26/1995CN1102030A Method of and apparatus for coding in which quantizing degree can be changed according to character of energy of frequency zone
04/25/1995US5410745 Detector and video amplifier
04/25/1995US5410731 Satellite telecommunications facility capable of covering a plurality of coverage areas
04/25/1995US5410720 Apparatus and methods for generating an AC power signal for cable TV distribution systems
04/25/1995US5410601 Video scramble system and equipment
04/25/1995US5410553 Error concealment control method and device of digital video signal
04/25/1995US5410363 Automatic gain control device for transmitting video signals between two locations by use of a known reference pulse during vertical blanking period so as to control the gain of the video signals at the second location
04/25/1995US5410360 Timing control for injecting a burst and data into a video signal
04/25/1995US5410359 Teletext decoder and television receiver provided with a teletext decoder
04/25/1995US5410358 Method and device for frame interpolation of a moving image
04/25/1995US5410357 Scan converter and method
04/25/1995US5410355 Video signal processor including input codeword buffer for providing stored codewords to codeword priority analysis circuit
04/25/1995US5410354 Method and apparatus for providing compressed non-interlaced scanned video signal
04/25/1995US5410352 Image data compressing apparatus
04/25/1995US5410351 Video signal transmission system and method
04/25/1995US5410350 Motion picture encoding and/or decoding system
04/25/1995US5410344 Apparatus and method of selecting video programs based on viewers' preferences
04/25/1995US5410343 Video-on-demand services using public switched telephone network
04/25/1995US5410326 Programmable remote control device for interacting with a plurality of remotely controlled devices
04/25/1995US5410308 System for processing a digital signal including auxiliary data to facilitate data reconstitution at a decoder
04/25/1995US5410307 System comprising at least one encoder for coding a digital signal and at least one decoder for decoding a coded digital signal, and encoder and decoder for use in the system
04/20/1995WO1995010919A1 Apparatus and method for detecting, identifying and incorporating advertisements in a video
04/20/1995WO1995010918A1 Information service control point
04/20/1995WO1995010917A1 Multimedia enabled network
04/20/1995WO1995010916A1 A television receiver for providing control of television viewing
04/20/1995WO1995010896A1 Lightwave distribution system for audio and video services and terminal equipment therefor
04/20/1995WO1995008822A3 Tracking the playing of vcr programs
04/20/1995DE4401339A1 Storage system for processing digital video signals
04/20/1995DE4334975A1 Video conference system, a partner station and conference unit therefor
04/20/1995DE4334814A1 Device for conducting a television conference
04/20/1995DE4334798A1 Recording device for portrait photos
04/20/1995CA2173868A1 Information service control point
04/20/1995CA2150010A1 Lightwave distribution system for audio and video services and terminal equipment therefor
04/19/1995EP0649262A1 Video signal compression apparatus using noise reduction
04/19/1995EP0649261A2 Image data processing and encrypting apparatus
04/19/1995EP0649260A2 Method for expressing and restoring image data
04/19/1995EP0649259A2 Data reproducing devices
04/19/1995EP0649258A2 Block transform coder for arbitrarily shaped image segments
04/19/1995EP0649257A2 Transmission system minimizing interference in digital transmission
04/19/1995EP0649256A2 Motion compensation of a reproduced image signal
04/19/1995EP0649254A1 Method of storing coded image information
04/19/1995EP0649250A2 Video signal processing
04/19/1995EP0648401A1 Apparatus and methods for automatic control and monitoring of the operation of consumer electronic products
04/19/1995EP0648400A1 Coding and decoding video signals
04/19/1995EP0648399A1 Electronic film editing system using both film and videotape format
04/19/1995EP0648398A1 Motion compensated video processing
04/19/1995EP0648360A1 Tracking objects in video sequences
04/19/1995EP0648359A1 Correlation signal processing.
04/19/1995EP0610367A4 Information broadcasting system and method.
04/19/1995EP0485478B1 Transmitting auxiliary information in a television signal
04/19/1995CN2195171Y CATV video telephone exchanger
04/19/1995CN1101777A Managing letterbox signals with logos and closed captions
04/19/1995CN1101772A Simultaneous analog and digital communication
04/18/1995US5408542 Method and apparatus for real-time lossless compression and decompression of image data
04/18/1995US5408535 Video test strip reader and method for evaluating test strips
04/18/1995US5408474 Apparatus for multiplexing digital video and a digital sub-signal and method thereof
04/18/1995US5408330 Video incident capture system
04/18/1995US5408328 Compressed image virtual editing system
04/18/1995US5408274 Method and apparatus for compositing compressed video data
04/18/1995US5408273 Muting circuit for a television receiving set
04/18/1995US5408270 Advanced television system
04/18/1995US5408269 Moving picture encoding apparatus and method
04/18/1995US5408268 Video imaging system and method using a single full frame sensor and sequential color object illumination
04/18/1995US5408266 Bi-directional rate converting apparatus for converting a clock rate of a digital signal
04/18/1995US5408262 Cochannel interference filter for HDTV transmission system
04/18/1995US5408261 Method and apparatus for controlling image communication between a plurality of terminals and an exchange
04/18/1995US5408260 Customer premises ADSL signal distribution arrangement
04/18/1995US5408259 Data modulation arrangement for selectively distributing data