Patents for H04N 7 - Television systems (274,023)
09/1997
09/09/1997US5666412 Secure access systems and methods utilizing two access cards
09/09/1997US5666365 Simulcast transmission of digital programs to shared antenna receiving systems
09/09/1997US5666293 Downloading operating system software through a broadcast channel
09/09/1997US5666215 System and method for remotely selecting photographic images
09/09/1997US5666212 Method of coding digital image data of an original video image
09/09/1997US5666209 Image signal processing device
09/09/1997US5666169 Parallel processor apparatus having means for processing signals of different lengths
09/09/1997US5666168 For injecting an image into a video signal
09/09/1997US5666167 Bias control apparatus for a data slicer in an auxiliary video information decoder
09/09/1997US5666164 Image signal converting apparatus
09/09/1997US5666162 Moving image signal coding apparatus and moving image signal coding control method
09/09/1997US5666161 Method and apparatus for creating less amount of compressd image data from compressed still image data and system for transmitting compressed image data through transmission line
09/09/1997US5666159 Electronic camera system with programmable transmission capability
09/09/1997US5666157 Abnormality detection and surveillance system
09/09/1997US5666156 System and method to improve the quality of reproduced images on a film to video transfer device
09/09/1997US5666155 Eye contact video telephony
09/09/1997US5666154 Image communication apparatus and method therefor
09/09/1997US5666153 Retractable teleconferencing apparatus
09/09/1997US5666152 Rotating visual display for video testing
09/09/1997US5666151 Multiple audio and video signal providing apparatus
09/09/1997US5666137 Computer-implemented method
09/09/1997US5664948 Delivery of data including preloaded advertising data
09/04/1997WO1997032438A2 Cable access device and method
09/04/1997WO1997032436A1 Method and apparatus for encoding or decoding digital video data
09/04/1997WO1997032435A1 Method and apparatus for generating television program guides
09/04/1997WO1997032434A1 Improved television tuning system
09/04/1997WO1997032421A1 Method for locating a channel in a communication system
09/04/1997WO1997032411A1 Subscriber network interface and method
09/04/1997WO1997032402A2 Method and arrangement for coding and decoding signals
09/04/1997WO1997032281A1 Wavelet based data compression
09/04/1997DE19649813A1 Interactive transfer equipment for digitised video data
09/04/1997DE19607439A1 Method for trying on glasses frame
09/04/1997DE19607422A1 Image reproduction device with video signal processor
09/04/1997CA2247878A1 Improved television tuning system
09/03/1997EP0793391A1 Memory area addressing in an MPEG decoder
09/03/1997EP0793390A2 MPEG signals decoding device
09/03/1997EP0793389A1 Memory reduction in the MPEG-2 main profile main level decoder
09/03/1997EP0793388A2 Method and apparatus to calculate field motion estimations in frame pictures
09/03/1997EP0793387A2 Tv mail system
09/03/1997EP0793386A2 Communication system and transferring device for multimedia communication
09/03/1997EP0793385A2 Method for providing recording-reservation data to a VCR using a TV and TV & VCR adapted thereto
09/03/1997EP0793384A2 A synchronism detection and demodulating circuit
09/03/1997EP0793383A2 Information transmission system with record/reproducing device
09/03/1997EP0793376A2 Method of transferring and displaying 3-D shape data
09/03/1997EP0793374A2 Video switching system video communications system and method for automatically establishing video communications using a telephonic switch
09/03/1997EP0793370A2 Phase ambiguity resolution circuit for BPSK communication system
09/03/1997EP0793353A2 Survivor memory device in Viterbi decoder using trace deletion method
09/03/1997EP0792557A1 Method and device for decoding coded digital video signals
09/03/1997EP0792556A1 Audiovisual telecommunication method and apparatus using a digital network
09/03/1997EP0792494A1 Mosaic based image processing system and method for processing images
09/03/1997EP0792489A1 Method and system for improved motion compensation
09/03/1997EP0792488A1 Method and apparatus for regenerating a dense motion vector field
09/03/1997EP0550712B1 Method and device for modulating and demodulating transmission subchannels for a compatible television system
09/03/1997EP0542974B1 Variable resolution level television signal subband CODEC.
09/03/1997EP0460764B1 Method of transmitting a picture sequence of a full-motion video scene, and a medium for said transmission
09/03/1997EP0460751B1 Method of transmitting audio and/or video signals
09/03/1997CN2261704Y Multifunctional electronic observer
09/03/1997CN1158683A Point-of-purchase video distribution system
09/03/1997CN1158575A Appts. and methods for controlling educational and amusement use of a television
09/03/1997CN1158540A V.F. data decoding method in use for high speed replay and its device
09/03/1997CN1035797C Digital video compression method and appts.
09/02/1997US5664220 Information transmission/reception system for transmitting information to requesters, where it is recorded, in response to a plurality of requests
09/02/1997US5664218 Integrated multimedia input/output processor
09/02/1997US5664046 Autoconfigurable video system
09/02/1997US5664044 Synchronized, variable-speed playback of digitally recorded audio and video
09/02/1997US5664028 Apparatus and method for compressing still images
09/02/1997US5664025 Apparatus for the quality control of a print produced by a printing machine
09/02/1997US5664002 Method and apparatus for providing power to a coaxial cable network
09/02/1997US5663962 Method of multiplexing streams of audio-visual signals coded according to standard MPEG1
09/02/1997US5663953 Multipoint intercommunication with pre-querying of members as to participation
09/02/1997US5663951 Delayed transmission of data packets over networks
09/02/1997US5663766 Digital data encoding in video signals using data modulated carrier signals at non-peaks in video spectra
09/02/1997US5663765 Apparatus and method for processing image signals
09/02/1997US5663764 Hierarchical encoding and decoding apparatus for a digital image signal
09/02/1997US5663763 Picture signal encoding method and apparatus and picture signal decoding method and apparatus
09/02/1997US5663758 Instrument probe having a back-lighted camera
09/02/1997US5663757 Local subscriber*s data processing station for a wireless television program
09/02/1997US5663623 Servo apparatus and method for high speed reproduction in digital video cassette recorders
09/02/1997US5663515 Online system for direct driving of remote karaoke terminal by host station
09/02/1997US5662584 Endoscope with position display for zoom lens unit and imaging device
09/02/1997CA2062609C Video signal gradation corrector
09/02/1997CA1339428C Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system
08/1997
08/28/1997WO1997031485A1 Method and apparatus for detecting scene cuts in a block-based video coding system
08/28/1997WO1997031484A1 Wide visual-field recognizing system
08/28/1997WO1997031483A1 Method and system for communicating video signals to a plurality of television sets
08/28/1997WO1997031482A1 Video viewing experiences using still images
08/28/1997WO1997031481A1 Dynamic coding rate control in a block-based video coding system
08/28/1997WO1997031480A1 Cordless phone back link for interactive television system
08/28/1997WO1997031479A1 Two-way interactive television system
08/28/1997WO1997019565A3 Set-top electronics and network interface unit
08/28/1997DE19707032A1 Video overhead display system
08/28/1997DE19706392A1 Imaging system for electronic robotic systems
08/28/1997DE19702048A1 MPEG2 standard digital video coder with scalable architecture
08/28/1997CA2247395A1 Cordless phone back link for interactive television system
08/28/1997CA2247318A1 Method and system for communicating video signals to a plurality of television sets
08/27/1997EP0792071A1 MPEG2 decoder
08/27/1997EP0792070A2 Device for manipulating compressed video sequences
08/27/1997EP0792069A2 Cancellation of distortion components in a fiber optic link with feed-forward linearization
08/27/1997EP0792068A2 Downstream control of electronic billboard
08/27/1997EP0792067A2 Vertical line multiplication method for high-resolution camera and circuit therefor