Patents for H04N 7 - Television systems (274,023)
04/1986
04/30/1986EP0065515B1 Stable vortex generating device
04/29/1986US4586129 Apparatus and method for testing and verifying the timing logic of a cathode ray tube display
04/29/1986US4586082 Error concealment in digital television signals
04/29/1986US4586080 Method and apparatus for video inspection of articles of manufacture
04/29/1986US4586078 CATV upstream signal transmission at nonharmonic video frequencies
04/29/1986US4586077 Switched surface acoustic wave apparatus for controlling cable television services
04/29/1986US4585998 Method and device for coherent demodulation of a digitally modulated carrier
04/29/1986CA1203910A1 Method and apparatus for adaptive predictive encoding/decoding of multi-level picture signals
04/29/1986CA1203890A1 Television information system
04/29/1986CA1203889A1 Channel assignment for catv system
04/29/1986CA1203848A1 Multi-layer encryption system for the broadcast of encrypted information
04/24/1986WO1986002516A1 Process for recording and/or reproduction of digitally coded signals
04/23/1986EP0178938A2 Television apparatus and method
04/23/1986EP0178866A1 Image reception apparatus
04/23/1986EP0178809A1 High security pay television system
04/23/1986EP0178758A1 Television picture and sound scrambler and method
04/22/1986US4584704 Spatial imaging system
04/22/1986US4584602 Data collecting system
04/22/1986US4584599 Signal to noise ratio enhancement using baseband signals in an FM television system
04/22/1986CA1203631A1 Detecting improper operation of a digital data processing apparatus
04/22/1986CA1203616A1 Method and apparatus for electronic publishing
04/16/1986EP0178075A1 Methods of recording and reproducing audio signals
04/16/1986EP0177997A2 Method of an apparatus for processing video signals
04/16/1986EP0177987A1 Field-frequency doubling circuit
04/16/1986EP0177968A1 Arrangement for the administration of bills for communication installations in hospitals, hotels or the like
04/16/1986EP0177512A1 Preprogrammed over-the-air marketing research system
04/15/1986US4583114 Method of flow compression of data transmitted successively between a television transmitter and a television receiver, and a system for carrying out said method
04/15/1986US4583047 Reception circuit for a wave modulated at one time in frequency by an analog signal and at another time in phase by a digital signal
04/15/1986CA1203317A1 Dual mode coding
04/15/1986CA1203314A1 Compatible, transcodeable, and hierarchical digital tv system
04/10/1986WO1986002224A1 Closed circuit television apparatus
04/10/1986CN85105622A Scanning conversion method and scan converter unit employing the conversion method
04/09/1986EP0176993A2 Reference signal reproduction apparatus
04/08/1986US4581765 Information security system
04/08/1986US4581640 Television transmission system
04/08/1986US4581638 Method of and system for coding a two-dimensional data array
04/08/1986US4581637 For use with an encoded television signal
04/08/1986US4580782 Memory mapping scheme for one-dimensional memory storage system
04/02/1986EP0176099A2 Method and apparatus for error correction
04/02/1986EP0175783A1 Device for detecting movable objects
04/02/1986EP0175736A1 Apparatus for processing a television signal including a movement detector.
04/01/1986US4580291 Method for processing digital signals, and subscriber station for telecommunication and teledistribution
04/01/1986US4580290 Amplifier for use with local oscillators
04/01/1986US4580162 Adaptive picture image compression system
04/01/1986US4580161 Cable television subscriber control system including addressable filters having a variable pole
04/01/1986US4579338 Video game device with automatic standby mode
04/01/1986CA1202714A1 Television viewer data collection system
03/1986
03/27/1986WO1986001967A1 Frequency generation for multiplexed analog component color television encoding and decoding
03/27/1986WO1986001962A1 Information display scheme for subscribers of a subscription television system
03/27/1986WO1986001952A1 A method and apparatus for limiting the amplitude of a frequency modulated signal
03/26/1986EP0175590A2 Apparatus for processing multiple asynchronous composite video signals
03/25/1986US4578802 X-ray diagnostic apparatus for allowing stereoscopic visualization on X-ray images of an object under examination
03/25/1986US4578765 Image comparison systems
03/25/1986US4578704 Image coding technique
03/25/1986US4578703 Subscription television system
03/25/1986US4578702 CATV tap-off unit with detachable directional coupler
03/25/1986US4578582 Radiation image recording and reproducing system with preferential processing function
03/25/1986CA1202421A1 Digital method and device for correcting the phase error of a sampled signal as applicable to the correction of television signals
03/25/1986CA1202420A1 Process and device for sampling a sine wave signal by a multiple frequency signal
03/25/1986CA1202407A1 Method and system for spatially transorming images
03/25/1986CA1202381A1 High frequency signal switching device
03/19/1986EP0174700A1 Apparatus for processing video signals
03/18/1986US4577227 Teletext framing code detector
03/18/1986US4577225 Progressive scan video processor having common memories for video interpolation and speed-up
03/18/1986US4577224 Secure cable television access system with tiering control
03/18/1986US4577221 Power safety device for CATV tap-off unit
03/12/1986EP0174099A2 Fiber optic terminal interface
03/12/1986EP0174056A2 Bandwidth compression system
03/11/1986US4575761 AFT arrangement for a double conversion tuner
03/11/1986US4575756 Decoder for a frame or field skipped TV signal with a representative movement vector used for individual vectors
03/11/1986US4575755 Video encoder/decoder system
03/11/1986US4575754 Video scrambler system
03/11/1986US4575753 Method of and apparatus for scrambling and decoding television and similar signals with wobbulating trapping
03/11/1986US4575752 Diagnostic X-ray apparatus having a master timing control unit
03/11/1986US4575750 Communications apparatus for use with cable television systems
03/11/1986US4575709 In a communications system
03/05/1986EP0173483A2 Error concealment in digital television signals
03/05/1986EP0173111A2 Programmable video mask generator
03/05/1986EP0172928A1 Central telecommunication system with a community antenna system
03/04/1986US4574393 Gray scale image processor
03/04/1986US4574379 Synchronization technique for non-colocated TV signals in a TDMA satellite communication system
03/04/1986US4574374 Multilocation video conference terminal including rapid video switching
03/04/1986US4574305 Remote hub television and security systems
03/04/1986US4574304 Audience rating measuring system for television and video tape recorder
03/04/1986US4574300 High-definition color television transmission system
03/04/1986CA1201526A1 Packet data transmission system
03/04/1986CA1201484A1 Information distribution system
02/1986
02/26/1986EP0172755A2 An apparatus for an efficient coding of television signals
02/26/1986EP0172473A2 Portable video and portable communications terminal
02/25/1986US4573191 Stereoscopic vision system
02/25/1986US4573190 Method and system of processing image signals
02/25/1986US4573167 Digital communication system, particularly color television transmission system
02/25/1986US4573084 Document information filing system
02/25/1986US4573080 Progressive scan television receiver with adaptive memory addressing
02/25/1986US4573074 Coding and decoding method and system for variable-length sequences of digital data
02/25/1986US4573073 Integrated lighting and camera system
02/25/1986US4573072 Method for expanding interactive CATV displayable choices for a given channel capacity
02/25/1986CA1201202A1 Method of and apparatus for coding television signals
02/19/1986EP0171408A1 Pseudo-random binary sequence generators.
02/18/1986US4571635 Method of image enhancement by raster scanning