Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
03/1987
03/31/1987US4654843 Signal distribution system
03/31/1987US4654705 Two channel audio scrambling system
03/31/1987US4654704 Analog television with regenerable and encryptable signals
03/31/1987US4654700 Optical decoder
03/31/1987US4654696 Video signal format
03/31/1987US4654633 Method and apparatus for transforming PRESTEL codes to NAPLPS codes
03/31/1987US4654601 Demodulator for television signals with feedback to correlate frames or lines
03/31/1987US4654484 Video compression/expansion system
03/31/1987CA1219930A1 Information transmission system
03/26/1987WO1987001895A1 Videorecorder programmable by videotext signals
03/26/1987WO1987001851A1 Audio and video digital recording and playback system
03/26/1987DE3533707A1 Mit hilfe von videotextsignalen programmierbarer videorecorder With the help of video text signals programmable video recorder
03/25/1987EP0215130A1 Shooting monitor camera and apparatus
03/24/1987US4653055 Method of correcting errors in bytes of teletext signals
03/24/1987US4652919 Video color transmission system with dual audio channels
03/24/1987US4652918 Compensating circuit
03/24/1987US4652909 Television camera and recording system for high definition television having imagers of different frame rate
03/24/1987US4652905 Instantaneous neutral colors in dither-quantized color television
03/24/1987US4652904 Television system with improved definition in field scanning direction
03/24/1987US4652903 Frequency generation for multiplexed analog component color television encoding and decoding
03/24/1987US4652803 Guidance system
03/24/1987CA1219669A1 Agc circuit used in a catv receiver
03/24/1987CA1219645A1 Adaptive digital signal coring circuit
03/18/1987EP0214710A2 Transmission of coded image signals using priority coding of the transform coefficients
03/18/1987EP0214406A1 Time division multiplexing method for the transmission of video and narrow band signals
03/18/1987EP0214326A1 Method for transmitting programming information for video recorders
03/18/1987EP0214315A1 Device for television games
03/17/1987US4651211 Video signal motion detecting apparatus
03/17/1987US4651209 Television display system with increased field frequency
03/17/1987US4651208 Compatibility of widescreen and non-widescreen television transmissions
03/17/1987US4651207 Motion adaptive interpolation of television image sequences
03/17/1987US4651206 Inter-frame coding apparatus for video signal
03/17/1987US4651205 Television transmission system
03/17/1987US4651204 Jamming signal generating circuit
03/17/1987US4651202 Video endoscope system
03/17/1987US4651200 Split-image, multi-power microscopic image display system and method
03/17/1987US4651195 Monochrome-compatible color slow scan television system
03/17/1987US4651193 Method and apparatus for bridging closely spaced moving zones in a television image and for differentially coding the bridging zones and the moving zones
03/17/1987US4651143 Security system including a daughter station for monitoring an area and a remote parent station connected thereto
03/17/1987US4650929 Communication system for videoconferencing
03/17/1987CA1219334A1 Teletext decoder using a common memory
03/17/1987CA1219333A1 Reduction of control bits for adaptive sub-nyquist encoder
03/17/1987CA1219332A2 Catv communications system
03/12/1987WO1987001548A1 Television signal transmission method and apparatus
03/12/1987WO1987001473A1 Film video player/printer with cropping control
03/12/1987WO1987001472A1 Film video player/printer
03/12/1987EP0116082A4 Secure coding and decoding system and method for television program signals.
03/11/1987EP0213912A2 Video display system for wide and standard aspect ratio video signals
03/11/1987EP0213911A2 Compatible wide screen television system
03/11/1987EP0213683A2 Method and device for producing intermediate picture signals from reference picture signals at a reduced frame rate
03/11/1987EP0213666A1 Method and apparatus for displaying a single parameter image
03/10/1987US4649566 Method and system for processing image signals
03/10/1987US4649419 Pseudo-random binary sequency generator
03/10/1987CA1219062A1 Decoder for a frame or field skipped tv signal with a representative movement vector used for individual vectors
03/10/1987CA1219060A1 Method and apparatus for recording scrambled television signals
03/10/1987CA1219059A1 Method of broadcasting an encoded video signal and a receiving apparatus for decoding the signal
03/04/1987EP0212839A1 Ghost cancelling reference signal transmission/reception system
03/04/1987EP0212784A2 Method and apparatus for converting images from scanning sensors, such as CCD's and the like
03/04/1987EP0212770A2 Dual communication link for satellite TV receiver
03/04/1987EP0212733A2 Method and apparatus for the production of X-ray images using photoconductors
03/04/1987EP0212342A1 Method for transmitting digitalized video signals
03/04/1987EP0212223A1 Video encoder apparatus
03/04/1987EP0211857A1 Image encoding.
03/03/1987US4648122 Community antenna television communication system
03/03/1987US4647980 Aircraft passenger television system
03/03/1987US4647974 Station signature system
03/03/1987US4647972 Method and circuit arrangement for correction of image distortion
03/03/1987US4647968 Analog-to-digital conversion system as for a narrow bandwidth signal processor
03/03/1987US4647790 Data signal correction circuit
03/03/1987US4646724 Endoscopic photographing apparatus
02/1987
02/26/1987DE3529147A1 Procedure for reduction of the output bit rate of a digitised colour television signal
02/25/1987EP0211791A2 Television picture scrambling and descrambling method
02/25/1987EP0211758A1 Method and receiver for packet transmission of digital signals over a broad-band channel
02/25/1987EP0211608A2 Radiation imaging systems and methods for X-rays
02/25/1987EP0211570A2 Progressive scan display system with correction for non-standard signals
02/25/1987EP0210981A1 Imaging of hot infrared emitting surfaces obscured by particulate fume and hot gases.
02/24/1987US4646291 Synchronization apparatus in transmitting information on a simplex bus
02/24/1987US4646152 Sharpness enhanced equal bandwidth luminance bandwidth compression system
02/24/1987US4646149 Alternate field luminance enhancement in a spectrum conserving television system
02/24/1987US4646147 Method and apparatus for scrambling and unscrambling television signals
02/24/1987US4646135 System for allowing two television programs simultaneously to use the normal bandwidth for one program by chrominance time compression and luminance bandwidth reduction
02/24/1987US4646134 Apparatus for encoding image signal
02/24/1987US4645872 Videophone network system
02/18/1987CN85106394A Control socket for video frequency searching
02/17/1987US4644399 Video/digital data multiplexer
02/17/1987US4644396 Gate circuit for central control of CATV system
02/17/1987CA1218144A1 Two-way cable-television system
02/17/1987CA1218143A1 Timing generator for sync suppressed television signals
02/17/1987CA1218113A1 Microwave communications system
02/12/1987WO1987001003A1 Two-way audio-visual telecommunication system
02/12/1987WO1987001002A1 Electronic information dissemination system
02/12/1987WO1987001001A1 Device located at the receiver end for actuation controlled from the transmitter end
02/12/1987DE3530642A1 Automatic video programme recognition (with memory preservation)
02/12/1987DE3527939A1 Method for transmitting teletext and programme contribution identification signals in a television signal
02/10/1987US4642698 Method and system for condensing binary image data
02/10/1987US4642689 Increasing the resolution of a digitized, time-dependent signal
02/10/1987US4642688 Method and apparatus for creating encrypted and decrypted television signals
02/10/1987US4642687 Superimposition of non-visual signals upon an image signal in a video display system
02/10/1987CA1217856A Apparatus for echo cancellation, in particular for a data broadcasting system
02/10/1987CA1217855A Apparatus for recording a color video signal
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