Patents for H04N 7 - Television systems (274,023)
08/1990
08/28/1990US4953019 Image signal encoding apparatus
08/28/1990US4953018 Television Transmission system using transmission of basic picture weighting factors
08/28/1990US4952952 Method and apparatus for video signal transmission using modulation
08/28/1990US4952785 Bar code generating apparatus for image communication terminal device
08/24/1990CA2010809A1 Technique for acknowledging packets
08/23/1990WO1990009720A1 System for teledistribution of unscheduled program signals
08/23/1990WO1990009627A1 Method of setting teaching data in a visual sensor system
08/23/1990DE3940531A1 Information encoding into PWM half-period sequence
08/23/1990DE3905062A1 Profile-grinding machine
08/23/1990DE3904900A1 Method for the digital and/or analog coding of information of one, two or more channels and/or frequency or bandwidth reduction and/or increase in transmission reliability
08/22/1990WO1990010353A1 Process and device for compressing data designed for the compatible decoding of a group of television signals with an increasing degree of resolution
08/22/1990EP0383678A2 Method and system for writing and reading coded data
08/22/1990EP0383245A2 Apparatus for detecting moving and unmoving regions
08/22/1990EP0382892A1 Picture signal encoding and decoding apparatus
08/22/1990EP0382764A1 Signal processing apparatus and methods.
08/22/1990EP0382755A1 Controller for adjusting color hue and saturation of images generated from signals in a non-broadcasting video system
08/22/1990EP0182915B1 Apparatus for transmitting digital signals
08/22/1990CA2027571A1 Information compression method and device for compatible decoding of a group of television signals with increasing resolutions
08/21/1990US4951314 Line tilt compensation method and apparatus
08/21/1990US4951313 Scrambled frequency modulated video signal transmission system
08/21/1990US4951157 Symmetrical image block scanning method for reducing block effect
08/21/1990US4951147 Digital image acquisition system
08/21/1990US4951146 Directionally controlled dispersive filtering for reducing co-channel interference
08/21/1990US4951140 Image encoding apparatus
08/21/1990US4951139 Computer-based video compression system
08/21/1990US4951138 Method to reduce the throughput rate of a sequence of data for assistance in the reconstruction of an electronic picture using a sub-sampled signal
08/21/1990US4951135 Electronic-type endoscope system having capability of setting AGC variation region
08/21/1990US4951134 Color tone controller for endoscope
08/21/1990US4951040 Image transformation processing
08/21/1990CA1273105A1 Progressive scan display system with correction for non-standard signals
08/21/1990CA1273104A1 Method of coding picture signal and picture coding/decoding apparatus utilizing the same
08/21/1990CA1273103A1 Broadband signal broadcasting system
08/16/1990EP0382601A1 Terminal for sound and visual communication with improved adjustments
08/16/1990EP0382296A1 Public communication system comprising distributed stations, and station and sub-station for use in such a communication system
08/16/1990EP0382151A2 Sampling frequency down-converting apparatus and sampling frequency up-converting apparatus
08/16/1990EP0381807A2 Method and apparatus for recording and reproducing information including plural channel audio signals
08/16/1990EP0381705A1 Method for transmitting compressed digital video signals
08/15/1990WO1990009719A1 Additional signal multiplexer for tv system
08/15/1990CN1044744A Adjustable antialias filters
08/15/1990CN1009240B Densifying technique of videotape for interfering automatic gain compensation (agc) of videocorder
08/14/1990US4949397 Detector for optically transmitted television signals
08/14/1990US4949191 System for scanning an image on a moving surface
08/14/1990US4949187 Video communications system having a remotely controlled central source of video and audio data
08/14/1990US4949181 Closed circuit television apparatus for remotely controlling television cameras
08/14/1990US4949176 Method and apparatus for DPCM video signal compression and transmission
08/14/1990US4949172 Dual-mode TDI/raster-scan television camera system
08/14/1990US4949170 Video information transmission service system and head end device therefor
08/14/1990US4949169 Audio-video data interface for a high speed communication link in a video-graphics display window environment
08/14/1990US4949168 For a transmission system
08/14/1990US4949167 Widescreen television signal processing system with center and side panel image resolution uniformity
08/14/1990CA1272808A1 Electronic apparatus with memory for recording individual information
08/09/1990WO1990009081A1 A receiver-compatible enhanced definition television system
08/09/1990WO1990009078A1 Volume control for optimum television stereo separation
08/08/1990EP0381515A2 Integrated communications system for HDLC variable-length data packets and fixed-length voice/video packets
08/08/1990EP0381283A2 DATV encoding and decoding method and apparatus
08/08/1990EP0381270A2 A gated high stability LC stabilized oscillator
08/08/1990EP0381222A2 Decoder for subsampled video signal
08/08/1990EP0381067A2 A method for registration of CAD model to video images with added clutter
08/08/1990EP0380945A2 Optical broad-band communication transmission system, especially in the subscriber access area
08/08/1990EP0380575A1 Decompression apparatus for digital video signals
08/08/1990EP0380507A1 A vision system with a picture capture device and a picture reproduction device.
08/08/1990CA2026883A1 System for teledistribution of unscheduled program signals
08/07/1990WO1991017646A2 Picture coding, for example for telefax and colour television
08/07/1990US4947474 Mechanism of observation and recording operation on an object
08/07/1990US4947448 Image information signal transmitting system
08/07/1990US4947447 Method for data coding
08/07/1990US4947429 Pay per view television signaling method
08/07/1990US4947428 Process for the broadcasting and reception of access title control messages
08/07/1990US4947249 Apparatus in which subsampling and block coding are both employed for coding digital video data
08/07/1990US4947248 Hybrid encoder for video signals comprising a motion estimator and an inter-intraframe encoding selector which comprise a common calculation module
08/07/1990US4947244 Video selection and distribution system
08/07/1990US4947241 Training signal for maintaining the correct phase and gain relationship between signals in a two-signal high definition television system
08/03/1990CA2009190A1 Decoder for subsampled video signal
08/01/1990EP0380351A2 Adjustable antialias filters
08/01/1990EP0380315A2 TV phone communication system and apparatus therefor
08/01/1990EP0380181A1 Ermitter stage for an extended definition television picture transmission system, transmission system including such a stage, and a reception stage for such a system
08/01/1990EP0380081A2 System for controlling an amount of coded output data
08/01/1990EP0379983A2 Memory interface controller
08/01/1990EP0379889A2 Remote control of selected television receivers
08/01/1990EP0379766A1 Video processing in which high frequency luminance components are folded into a mid-band spectrum
08/01/1990EP0379713A2 Video receiving device
08/01/1990EP0379601A1 Predictor for digital video signals in a differential pulse code modulator
08/01/1990EP0379486A1 Detection system for a radiation profile line.
07/1990
07/31/1990US4945564 Process for the scrambling and descrambling of television images
07/31/1990US4945424 Power switching arrangement for video camera apparatus
07/31/1990US4945417 Method and apparatus for remotely pre-setting closed circuit television camera
07/31/1990US4945412 Method of and system for identification and verification of broadcasting television and radio program segments
07/31/1990US4945411 HDNTSC channel with time and frequency multiplexing
07/31/1990US4945410 Satellite communications system for medical related images
07/31/1990US4945404 Video communication system and phase or frequency modulator included therein
07/31/1990US4945403 Signal transmission method
07/31/1990US4945402 Method for producing NTSC compatible signal for widescreen tv system
07/31/1990US4945367 Surveillance camera system
07/31/1990US4945228 Inspection of container finish
07/31/1990CA1272284A1 Geographic blackout method for direct broadcast satellite system
07/30/1990CA2008600A1 Compatible and spectrum efficient high definition television
07/27/1990WO1990009067A1 Method and apparatus for preventing external detection of signal information
07/26/1990WO1990008445A1 Television system
07/26/1990WO1990008443A1 Video imaging system
07/26/1990WO1990008442A1 Dual communication mode video tape recorder