Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
03/1991
03/27/1991EP0419137A2 Dynamically responsive cable television system with shared fibre optic link
03/27/1991EP0418952A1 Coding device for bidimensional informations, and decoding device therefor
03/27/1991EP0418949A1 Method of detecting an amplitude transient in a field of elements having a multivalent amplitude distribution, device suitable for performing the method, and video system including the device
03/27/1991EP0418709A2 Interstitial line generator
03/27/1991EP0418708A2 Method and apparatus for remote positioning of an inspection device with a video camera attached to the device
03/27/1991EP0418396A1 Video/audio multiplex transmission system
03/27/1991EP0418261A1 Modifying a television signal to inhibit recording/reproduction
03/26/1991USRE33559 System for enhancing audio and/or visual presentation
03/26/1991US5003592 Scrambling video by time shifting
03/26/1991US5003591 Functionally modifiable cable television converter system
03/26/1991US5003572 Automatic brightness compensation for x-ray imaging systems
03/26/1991US5003532 Multi-point conference system
03/26/1991US5003395 Satellite receiver having an independent active energy dispersal signal generator
03/26/1991US5003393 Control signal generator for processing a video signal
03/26/1991US5003390 Search and lock technique for reliable acquisition of data transmitted via television signals
03/26/1991US5003389 Image signal processing apparatus for Y/C separation and for time domain/spatial interpolation of sub-Nyquist sub-sampling time compressed high definition television system
03/26/1991US5003384 Set-top interface transactions in an impulse pay per view television system
03/26/1991US5003377 Extended definition television systems
03/26/1991CA1282166C Video encoding apparatus
03/26/1991CA1282165C Progressive scan display system employing line and frame memories
03/26/1991CA1282148C Information transmission system
03/26/1991CA1282120C Fm receiver
03/21/1991WO1991004619A1 Method and apparatus for recovering data, such as teletext data encoded into television signals
03/21/1991WO1991003907A1 Detection of the presence of digital data in a video signal
03/21/1991WO1991003902A1 Improved image compression method and apparatus
03/21/1991WO1991003797A1 Method and device for estimation and hierarchical coding of the motion of image sequences
03/20/1991WO1991004634A1 Dual image video inspection apparatus
03/20/1991EP0417914A2 Decoding and coding apparatus for compressed digital video data
03/20/1991EP0417859A1 X-ray imaging system
03/20/1991EP0211857B1 Image encoding
03/20/1991CN1050118A System for television transmission
03/20/1991CA2064014A1 Dual image video inspection apparatus
03/19/1991US5001562 Scanning line converting system for displaying a high definition television system video signal on a TV receiver
03/19/1991US5001561 Embedded coding system for video signals
03/19/1991US5001560 Method and apparatus employing adaptive filtering for efficiently communicating image sequences
03/19/1991US5001559 Transform coding using coefficient prediction techniques
03/19/1991US5001558 Night vision system with color video camera
03/19/1991US5001554 Terminal authorization method
03/19/1991US5001550 Quadruplex encoder and decoder for EDTV system
03/19/1991CA2023390A1 Interstitial line generator
03/19/1991CA1281812C Method and apparatus for determining and controlling the sampling phase in sampling the burst signal of a color television signal
03/16/1991WO1991004637A1 Tv transmission system
03/16/1991CA2065841A1 Tv transmission system
03/14/1991DE3926685A1 Verfahren zum uebertragen von datensignalen in einem fernsehsignal sowie zum automatischen empfangen von derart uebertragenen datensignalen A method for carrying over of data signals in a television signal and receive automatic of such data signals transmitted
03/13/1991EP0416985A1 Method of multiplexing a sound signal with an analogue video signal and corresponding distribution system for still images with sound
03/13/1991EP0416918A2 Hybrid predictive coders and decoders for digital video signals
03/13/1991EP0416894A2 Method and apparatus for encrypting and decrypting time domain signals
03/13/1991EP0416807A2 Optical fibre communication link
03/13/1991EP0416706A1 Device for programming a video recorder comprising the device
03/13/1991EP0416693A2 Apparatus for the transformation and inverse transformation of a video signal
03/13/1991EP0416622A2 Predistorter for linearization of electronic and optical signals
03/13/1991EP0416455A2 Catv subscriber apparatus with intelligent remote control
03/13/1991EP0416302A1 Procedure for optical quality inspection of large-faced panes of a transparent material like glass
03/13/1991EP0416115A1 Additional signal multiplexer for tv system
03/13/1991EP0415966A1 Automatic censorship of broadcast programmes
03/13/1991EP0258341B1 Method for digital data transmission
03/13/1991CN1049928A 数字信号处理系统 Digital signal processing system
03/12/1991US4999715 Dual processor image compressor/expander
03/12/1991US4999706 Teletext decoders with inhibit means for precluding over-writing codes in page memory
03/12/1991US4999705 Three dimensional motion compensated video coding
03/12/1991US4999704 System for efficiently coding a moving-picture signal, capable of selecting several different coding systems
03/12/1991US4999635 Phase difference auto focusing for synthetic aperture radar imaging
03/12/1991CA1281409C Television signal data transmission system
03/09/1991WO1991003906A1 Tv transmission system
03/09/1991CA2065851A1 Tv transmission system
03/08/1991WO1991003909A1 Multiple hdtv format digital signal converter
03/08/1991CA2066413A1 Multiple hdtv format digital signal converter
03/07/1991WO1991003126A2 Process and device for sender-side controlled operation of a receiver-side appliance
03/07/1991WO1991003125A1 Camera visualization unit
03/07/1991WO1991003112A1 Program transmission optimisation
03/07/1991WO1991001609A3 Technique for representing sampled images
03/07/1991WO1991001534A3 Access control apparatus and key means
03/07/1991WO1991001167A3 Game controller
03/07/1991DE3929280A1 Video image block coder with comparator - uses specified line function magnitude, related to block and image spacing, system parameter, and number of bits
03/06/1991EP0415737A2 Motion detecting circuits for video images
03/06/1991EP0415699A2 Digital video signal recorder and reproducer
03/06/1991EP0415494A1 Method and apparatus for image processing with improved motion estimation
03/06/1991EP0415491A1 Motion estimation
03/06/1991EP0415329A2 Picture image zooming apparatus
03/06/1991EP0414846A1 Pre-payment television system using a memory card associated with a decoder.
03/06/1991EP0414732A1 A method and apparatus for improving video scrambling and employing split sync pulses
03/06/1991CN1049764A Convergence control system for multiple vertical formats
03/05/1991US4998292 Programming method and/or equipment for audio or video appliances
03/05/1991US4998278 Method and apparatus for scramble type broadcast receiving with contract management and scramble type broadcasting system
03/05/1991US4998264 Method and apparatus for recovering data, such as teletext data encoded into television signals
03/05/1991US4998168 Motion dependent video signal processing
03/05/1991US4998167 High resolution translation of images
03/05/1991US4998166 Auxiliary light apparatus for borescope
03/05/1991US4998106 Reference voltage regulation apparatus for an automatic gain control system
03/05/1991US4998012 Fiber optic transimpedance receiver
03/05/1991CA1281127C System and circuits for television signal processing
03/05/1991CA1281126C Wireless transmission from the television set to the television station
03/05/1991CA1281125C Production of an image model and inspection of pixel representation of an image
03/03/1991CA2024152A1 Method of and an apparatus for testing large area panes for optical quality
02/1991
02/28/1991DE3928188A1 Verfahren und einrichtung zum senderseitig gesteuerten betaetigen eines empfaengerseitigen geraetes Method and device for the transmitter end controlled actuation of a device empfaengerseitigen
02/27/1991EP0414597A1 Process for inserting supplementary video information external to a main 4/3-format image in a 16/9-format tube
02/27/1991EP0414596A1 Device for converting the field frequency and line number in a high definition television receiver
02/27/1991EP0414327A2 Maintaining video signals
02/27/1991EP0414311A1 Picture display device and video signal processing circuit
02/27/1991EP0414276A2 Video camera control system
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