Patents for H04N 7 - Television systems (274,023)
06/1990
06/20/1990EP0373291A2 Digital signal processor
06/19/1990US4935953 Cyclic video region transmission for videoconferencing systems
06/19/1990US4935924 Signal distribution network
06/19/1990US4935813 System of transmitting high-definition television pictures via a relatively narrow passband channel, and also a transmitter and a receiver suitable for the system
06/19/1990US4935812 Method for broadcasting high definition television programs using temporal attenuation
06/19/1990US4934821 Technique for scanning a microfilm image moving at a variable speed
06/14/1990WO1990006658A1 Colour television transmission system
06/14/1990WO1990006657A1 Compatible television transmission system
06/14/1990WO1990006656A1 Off-premises cable television channel interdiction method and apparatus
06/14/1990WO1990006655A1 Television transmission system compatible with conventional television standards
06/14/1990WO1990006379A1 Furnace for reheating, holding and storing steelworks products
06/13/1990EP0372774A2 Method for the conversion of a video signal display frequency
06/13/1990EP0372608A1 Method and device for picture data compression using a neural network
06/13/1990EP0372555A2 Method and apparatus for transmitting video signals
06/13/1990EP0372499A2 Apparatus and method for providing digital audio in the FM broadcast band
06/13/1990EP0372384A2 Videotext receiver
06/13/1990EP0372053A1 Method and apparatus for detecting innovations in a scene
06/13/1990EP0207139B1 Apparatus and method for compensating a high-definition television video signal for distortion induced during transmission and reception
06/13/1990EP0189860B1 Method for correcting picture errors
06/13/1990EP0171408B1 Pseudo-random binary sequence generators
06/13/1990DE3841073A1 Colour television transmission system
06/13/1990CN1043061A Process and devices for encoding and for decoding of high definition television images and systems for transmission of television images including such devices
06/13/1990CN1043053A Method of transmitting writing broadcast signal and apparatus of receiving same
06/12/1990US4933765 Enhanced TV system using transmitted error signals
06/12/1990US4933764 Improved teletext decoder which accommodates an increased number of character codes
06/12/1990US4933763 Method of and arrangement for coding digital video signals and corresponding decoding arrangement
06/12/1990US4933762 Method and coding and decoding devices for picture transmission through a variable rate network
06/12/1990US4933761 Image coding and decoding device
06/12/1990US4933760 Movement detecting circuit
06/12/1990US4933759 Method of and arrangement for motion detection in an interlaced television picture obtained after film-to-television conversion
06/12/1990CA1270322A1 Adaptive comb filter
06/07/1990DE3841060A1 System for selecting and transferring a video film from a video centre to a subscriber station
06/07/1990DE3834259A1 Schaltung zur erzeugung eines dreipegel-impulssignals Circuit for generating a three-level pulse signal
06/06/1990EP0371742A2 Image memory control apparatus
06/06/1990EP0371678A2 Television receiver
06/06/1990EP0371677A2 Image signal processing apparatus
06/06/1990EP0371401A1 Remotely addressable star distributor for television signals
06/06/1990EP0371150A1 Video surveillance system
06/05/1990US4932047 Conversational video phone
06/05/1990US4931879 Image processing system for recording or reproducing an image signal sequence which has been encoded by employing two predictive coding methods and combining the results of those methods
06/05/1990US4931877 Method and apparatus for producing a test signal for use in a video recorder
06/05/1990US4931871 Method of and system for identification and verification of broadcasted program segments
06/05/1990US4931870 Television apparatus
06/05/1990US4931869 Method and circuit arrangement for reducing the data rate of digitized images
06/05/1990US4931868 Method and apparatus for detecting innovations in a scene
06/05/1990US4931866 Distributed coaxial light source producing constant target luminance
06/05/1990US4931865 Apparatus and methods for monitoring television viewers
06/05/1990US4931855 Method for generating and transmitting high-definition color television signals, compatible with current standards and process and apparatus for receiving said signals
06/05/1990US4931657 On-line texture sensing
06/05/1990US4930889 Method of and inspecting apertured mask sheets
05/1990
05/31/1990WO1990006038A1 High definition b-mac television signal transmission system
05/31/1990WO1990006035A1 Picture receiver controller
05/31/1990DE3839502A1 Method for determining the motion vectors of a sequence of video frames
05/30/1990EP0370916A1 Furnace for reheating, holding and storing of metallurgical products
05/30/1990EP0370323A2 High resolution image compression methods and apparatus
05/30/1990EP0370322A2 Method and apparatus for alignment of images
05/30/1990EP0370315A2 Video signal coding apparatus
05/30/1990EP0370291A2 System and devices for transmitting signals consisting of data blocks
05/30/1990EP0370252A2 Optical communication system
05/30/1990EP0370064A1 A method for transmitting high-definition television over low-bandwidth channels
05/30/1990CN1042637A Restricted access television transmission system
05/30/1990CN1042636A Technique for actv side-panel noise reduction
05/29/1990US4930160 Automatic censorship of video programs
05/29/1990US4930158 Selective video playing system
05/29/1990US4930120 Signal distribution network system
05/29/1990US4930014 Method and apparatus for processing a still picture signal
05/29/1990US4930013 For classifying a set of values representing a two-dimensional pattern
05/25/1990CA2003834A1 Steel products heating, keeping and accumulating oven
05/23/1990EP0369959A2 An improved pay-TV-system
05/23/1990EP0369854A1 Method and circuit for block-processing an animated picture bidimensional signal
05/23/1990EP0369724A2 Digital video signal processing apparatus
05/23/1990EP0369689A2 Vector quantizer for images
05/23/1990EP0369585A1 Monitoring video camera
05/23/1990EP0369523A2 High definition time multiplexed analog components (HDMAC) television system
05/23/1990EP0369382A2 Home-bus-information system
05/23/1990EP0369159A2 Method for the restitution of binary information from a basic band signal showing faults, and arrangement
05/23/1990EP0368928A1 Process and device for programming a home video appliance
05/23/1990EP0152480B1 Picture element generator for facsimile receiver
05/23/1990DE3831104A1 Image regeneration method
05/22/1990US4928309 Method and apparatus for descrambling a television signal
05/22/1990US4928301 Teleconferencing terminal with camera behind display screen
05/22/1990US4928300 Videophone with detachable TV camera
05/22/1990US4928272 Two-way CATV system using frequency division multiplexing
05/22/1990US4928177 Two-way data broadcast networks
05/22/1990US4928175 Method for the three-dimensional surveillance of the object space
05/22/1990US4928168 Billing data display system and terminal used therein for a closed circuit television system
05/22/1990CA1269444A1 Method for reducing the quantity of data in image coding
05/22/1990CA1269443A1 Automatic gain control circuit for controlling gain of video signal in television receiver
05/22/1990CA1269442A1 Agc in sound channel of system for processing a scrambled video signal
05/22/1990CA1269441A1 Viewer interactive television system
05/17/1990WO1990005430A1 Quadruplex encoding for actv
05/17/1990WO1990005427A1 Technique for actv side-panel noise reduction
05/17/1990WO1990005076A1 Vehicle security camera
05/17/1990WO1990002465A3 Hierarchically range adaptive coding method for signals, especially suitable for picture analysis and codings
05/17/1990DE3838685A1 Method for recovering binary information from an errored baseband signal and an arrangement
05/16/1990EP0368747A1 Movement estimation method for at least one target in a picture string, and device for carrying out this method
05/16/1990EP0368683A2 Data handling apparatus
05/16/1990EP0368618A2 Still picture transmission-display apparatus
05/16/1990EP0368460A1 Coding apparatus
05/16/1990EP0368417A1 Apparatus comprising an improved device for clamp-error compensation