Patents for H04N 7 - Television systems (274,023)
06/1992
06/25/1992DE3890744C2 NTSC-compatible wide screen TV system companding auxiliary signals
06/24/1992EP0491556A2 Image processing method and apparatus
06/24/1992EP0491121A1 Movable video camera for surveillance
06/24/1992EP0491069A1 Selective data distribution method using unidirectional broadcast or multicast transmission
06/24/1992EP0491068A1 Selective data broadcasting receiver adapter for personal computers
06/24/1992EP0491036A1 Selectable power of two coefficient signal combining circuits
06/24/1992EP0490983A1 Method, coder and decoder for the transmission and compatible reception of standardized television signals.
06/24/1992EP0490942A1 Multiple hdtv format digital signal converter
06/23/1992US5125100 Optimal signal synthesis for distortion cancelling multicarrier systems
06/23/1992US5125048 Obtaining access to a two-dimensional portion of a digital picture signal
06/23/1992US5125046 Digitally enhanced imager for the visually impaired
06/23/1992US5125037 Procedure for monitoring printing quality
06/23/1992US5125028 Television signal scrambling method and apparatus
06/23/1992US5125012 Computer tomography apparatus
06/23/1992US5124980 Synchronous multiport digital 2-way communications network using T1 PCM on a CATV cable
06/23/1992US5124811 Image encoding apparatus
06/23/1992US5124793 Sound multiplex signal encoder circuit with controlled AFC operations
06/23/1992US5124791 Frame-to-frame compression of vector quantized signals and other post-processing
06/23/1992US5124790 Signal processing device
06/23/1992US5124673 Level independent automatic cable equalizer
06/23/1992CA1304153C Video signal synchronization system as for an extended definitionwidescreen television signal processing system
06/23/1992CA1304152C System for adaptively generating signal in alternate formats as for an edtv system
06/23/1992CA1304151C Method and apparatus for expanding compressed video data
06/22/1992CA2058114A1 System for transferring television programs
06/19/1992WO1992011614A1 Surveillance systems
06/17/1992EP0490799A1 Image coding apparatus and method and corresponding transmission system and receiver
06/17/1992EP0490552A2 Multiplexed coded modulation with unequal error protection
06/17/1992EP0490544A2 A high definition television coding arrangement with graceful degradation
06/17/1992EP0490540A2 HDTV encoder with forward estimation and constant rate motion vectors
06/17/1992EP0490539A2 Adaptive non-linear quantizer
06/17/1992EP0490538A2 An adaptive leak HDTV encoder
06/17/1992EP0490537A2 HDTV receiver
06/17/1992EP0490097A2 Process for investigating transparent webs, especially photographic paper supports
06/17/1992EP0489929A1 Transmitting device for catv
06/17/1992EP0296190B1 Programming of television receiving devices
06/17/1992DE4039947A1 Data compression system for grey tone images - compares differences between image point data for successive image points with max. value
06/17/1992CN1062065A Picture retrieval system, and record carrier and device for use in system
06/17/1992CN1062064A Method of recording picture information, recore carrier, and picture retrieval and reproduction device for reading record barrier
06/17/1992CN1017115B Cable television spread spectrum data transmission
06/16/1992US5123046 Vcr with cable tuner control
06/16/1992US5122885 Magnetic video recording/reproducing apparatus for video signals of different aspect ratios adapter unit
06/16/1992US5122877 Method of transmitting a digital video signal and a receiver for use in the method
06/16/1992US5122875 An HDTV compression system
06/16/1992US5122874 Coding arrangement including variable length encoder incorporating a buffer filling control based on averaged block quality, and an associated decoding device
06/16/1992US5122873 Method and apparatus for selectively encoding and decoding a digital motion video signal at multiple resolution levels
06/16/1992US5122868 Side panel signal processor for a widescreen television system
06/16/1992US5122866 NTSC signal scanning inverting circuit
06/16/1992US5122789 Video display controller for enlarging visual images depending upon display unit
06/16/1992CA1303743C Data encoding
06/16/1992CA1303737C Reproduction system capable of reproducing a still image by interrupting a sequence of recorded signals
06/16/1992CA1303726C Dual, single sideband modulator for actv
06/16/1992CA1303725C Processor for expanding a compressed video signal
06/12/1992CA2055081A1 High definition television coding arrangement with graceful degradation
06/12/1992CA2055047A1 Hdtv encoder with forward estimation and constant rate motion vectors
06/11/1992WO1992010065A1 Telephoto sensor trigger in a solid state motion analysis system
06/11/1992WO1992010060A1 Television transmission system with bandwidth reduction
06/11/1992WO1992009883A1 Method and system for verifying substrate machining
06/11/1992DE4038914A1 Analogue optical transmission system for television signal - divides electrical spectrum into several channels, converts to optical signals using respective transmitters and recombines using optical coupler
06/10/1992EP0489713A2 Spatial-temporal frequency interleaved processing of a television signal
06/10/1992EP0489460A1 Pick-up and/or display device, and an imaging system comprising such a device
06/10/1992EP0489387A2 Improved receiver of teletext transmissions
06/10/1992EP0489386A2 Improved receiver for teletext transmission
06/10/1992EP0489385A2 System for the transmission and reception of encoded television signals
06/10/1992EP0489223A2 Method for clock rate conversion of a digital signal
06/10/1992EP0215946B1 Television signal scrambling and data transmission system
06/10/1992CN1061880A Motion signal detecting circuit
06/10/1992CN1061879A Progressive scan television system using luminance low frequencies from previous field
06/09/1992US5121476 TV data capture device
06/09/1992US5121430 Storm alert for emergencies
06/09/1992US5121261 Digital video signal processing apparatus
06/09/1992US5121216 Adaptive transform coding of still images
06/09/1992US5121212 Audio signal demodulating circuit with reduced power consumption
06/09/1992US5121211 System for echo cancellation comprising an improved ghost cancellation reference signal
06/09/1992US5121208 Method and apparatus for reducing co-channel interference in an HDTV receiver
06/09/1992US5121206 Clock signal generator for video signal capable of generating a stable clock signal
06/09/1992US5121205 Apparatus for synchronizing main and auxiliary video signals
06/09/1992US5121204 Apparatus for scrambling side panel information of a wide aspect ratio image signal
06/09/1992US5121203 HDTV transmission system with reduced NTSC CO-channel interference
06/09/1992US5121202 Adaptive interframe prediction coded video communications system
06/09/1992US5121201 Method and apparatus for detecting the number of persons
06/09/1992US5121200 Travelling monitoring system for motor vehicles
06/09/1992US5121191 Method and apparatus for coding motion pictures
06/09/1992CA1303210C Image and sound transmitting system
06/09/1992CA1303209C Methods and devices for recording and/or transmitting high flow rate binary signals by known video signal recording and/or transmission methods and for reading back digital data
06/09/1992CA1303208C2 System for enabling descrambling on a selective-subscription basis in a subscriber communication network
06/09/1992CA1303139C Energy-dispersal signal rejection circuit and method
06/04/1992WO1992010061A2 Systems and methods for coding even fields of interlaced video sequences
06/03/1992EP0488795A2 Motion vector detection and band compression apparatus
06/03/1992EP0488776A2 Compact monitor camera
06/03/1992EP0488745A2 Caption VCR and method of displaying a caption signal in the caption VCR
06/03/1992EP0488680A2 Digital video signal processing apparatus
06/03/1992EP0488613A2 Motion detection method and its apparatus
06/03/1992EP0488498A1 Motion signal detecting circuit
06/03/1992EP0488496A2 Noninvasive myocardial motion analysis using phase contrast MRI maps of myocardial velocity
06/03/1992EP0488458A1 Motion filter realisation process for slow targets
06/03/1992EP0488454A2 Teletext decoder arrangement
06/03/1992EP0488379A2 Text broadcast receiver
06/03/1992EP0488337A2 Magnetic recording apparatus
06/03/1992EP0488289A2 Video network system
06/03/1992EP0488225A2 Clock information transmitting device and clock information receiving device