Patents
Patents for H04N 9 - Details of colour television systems (80,494)
05/1994
05/24/1994US5315378 Gamma correction and white balance adjustment method and apparatus for projection display
05/24/1994US5315330 Projection type display apparatus
05/24/1994CA2015659C Camera
05/24/1994CA2010330C Projection television apparatus
05/24/1994CA1329844C Exposure control system of dual mode electronic imaging camera
05/19/1994DE4237982A1 Colour correction circuit for high resolution digital video signals - processes digital colour signals in matrix with luminance and chrominance signals, and performs multi-sector colour correction
05/19/1994DE2954735C2 TV receiver with split-screen operation
05/18/1994EP0597647A2 Video signal encoding
05/18/1994EP0597532A1 Video processing system
05/18/1994EP0597504A1 Liquid crystal projector
05/18/1994EP0597160A1 Method and apparatus for luminance/chrominance separation
05/18/1994CN1086940A Charges coupling comb filter
05/17/1994US5313479 Speckle-free display system using coherent light
05/17/1994US5313438 Delay apparatus
05/17/1994US5313304 Chroma keyer with fringe control offset
05/17/1994US5313303 Aspect ratio control for picture overlays
05/17/1994US5313294 Beam current limiting arrangement having a peak amplitude, responsive threshold
05/17/1994US5313290 Hue compensation apparatus for a color hard copy machine
05/17/1994US5313277 Image pickup device having white balance control function
05/17/1994US5313275 Chroma processor including a look-up table or memory
05/17/1994US5313274 Color signal matrix circuit
05/17/1994US5313224 Apparatus for shade gradation enhancement and flicker reduction in multishade displays
05/17/1994US5313137 Display devices
05/17/1994US5313136 Thin-type picture display device
05/17/1994CA1329652C Video display system
05/17/1994CA1329651C Signal spreader
05/11/1994WO1994010807A1 Method and apparatus for providing noise immunity for an input interface of a digital video recorder
05/11/1994WO1994010806A1 Digital video flywheel circuit phasing method and apparatus
05/11/1994WO1994010797A1 Method and apparatus for detecting stability of a digital component video signal
05/11/1994WO1994010794A1 Control system for projection displays
05/11/1994WO1994010751A1 Clipper circuitry
05/11/1994EP0596527A2 Data recording apparatus
05/11/1994EP0596398A2 Digital video signal recording apparatus
05/11/1994EP0595808A1 Television displays having selected inserted indicia
05/11/1994EP0432205B1 Enhanced tv system using transmitted error signals
05/11/1994CN1086651A Method and apparatus for cancellation of moire interference in color cathode ray tube displays
05/10/1994US5311459 Selectively configurable integrated circuit device for performing multiple digital signal processing functions
05/10/1994US5311373 Video tape recorder
05/10/1994US5311372 Method of recording digital signals in an interleaving array form with enhanced error interpolation
05/10/1994US5311370 Recording apparatus having continual and single-memory-portion recording modes
05/10/1994US5311324 Apparatus with frame check capability for reproducing images by combining outputs of concurrently operating disk players storing portions of the images
05/10/1994US5311322 Video camera with negative-positive reversal function
05/10/1994US5311321 Laser video imaging system with pulse backtrack and method
05/10/1994US5311309 Luminance processing system for compressing and expanding video data
05/10/1994US5311306 Motion detecting circuit for video signal processor
05/10/1994US5311301 Apparatus for automatically discriminating between at least three different broadcasting systems
05/10/1994US5311300 Circuit arrangement for accurately adjusting each color channel of a picture signal generator using digital control signals
05/10/1994US5311299 Recursive comb filter
05/10/1994US5311298 Chroma adjustment circuit
05/10/1994US5311297 HDTV to conventional TV signal converting apparatus with non-linear level correction
05/10/1994US5311296 Video signal generator circuit and video image processing device using the same
05/10/1994US5311294 Method and apparatus for setting the color balance of a color display device
05/10/1994US5311227 Liquid crystal projection display device with mirror
05/05/1994DE4306797C1 Generating colour pixels of TV image - providing projection system using coloured lasers supplied with colour tone signals converted from phosphor screen base system to laser projection base system
05/05/1994DE4237005A1 Reducing differences in sound level at receiver - comparing characteristic vol. of currently received programme signal with that of programme signal to be received
05/04/1994EP0595649A1 Projected image displaying apparatus and method of correcting color unevenness therein
05/04/1994EP0595581A2 Convergence correction signal generator
05/04/1994EP0595301A2 System and method for modifying aberration and registration of images
05/04/1994EP0595223A2 Delay circuit
05/04/1994EP0595152A1 Comb filter circuit in the chrominance channel at the playback side of a video recorder
05/04/1994EP0594829A1 Pixel intensity modulator
05/04/1994CN1086365A Chroma burst detection system
05/04/1994CN1086360A 输入缓冲器 Input Buffer
05/04/1994CN1086359A Cipper circuitry
05/03/1994US5309528 Image digitizer including pixel engine
05/03/1994US5309283 Hybrid, color-corrected, projection TV lens system
05/03/1994US5309265 Short pitch LC layer with a temperature independent λ0 and containing a nematic LC doped with plural chiral additives having the same twist sense
05/03/1994US5309225 Video signal processor for removing a separated signal component from an input video signal
05/03/1994US5309183 Image pickup apparatus having difference encoding and non-linear processing of image signals
05/03/1994CA1329256C Ambient light rejecting quad photodiode sensor
05/03/1994CA1329248C Control system for industrial plant
05/01/1994CA2109015A1 Digital video signal recording apparatus
04/1994
04/28/1994WO1994009472A1 Virtual retinal display
04/28/1994WO1994007208A3 Selectively configurable integrated circuit device for performing multiple digital signal processing functions
04/27/1994EP0594512A1 Television standard identification circuit
04/27/1994EP0594432A2 Convergence correction apparatus
04/27/1994EP0594116A2 System and method for pattern matching with error control for image and video compression
04/27/1994EP0593962A1 Color signal aperture correction system having automatically selected source signal
04/27/1994CN1086074A Television receiver with switchable chrominance signal filter
04/27/1994CN1086073A Television receiver with plural video inputs and with adaptive luminance signal filter
04/27/1994CN1086070A Methods and systems for encoding and decoding picture signals and related picture-signal recording media
04/27/1994CN1024385C Method and circuit for cancellation of moire interference in color cathode ray tube displays
04/26/1994US5307232 Fast reset degaussing system
04/26/1994US5307185 Liquid crystal projection display with complementary color dye added to longest wavelength imaging element
04/26/1994US5307171 Video tape recorder/player
04/26/1994US5307159 Color image sensing system
04/26/1994US5307158 Video camera
04/26/1994US5307157 Digital video signal processing apparatus for data rate down-conversion with half-b and filtering and modular design
04/26/1994US5307156 Television signal converting apparatus
04/26/1994US5307088 Method and apparatus of encoding color image information
04/26/1994US5306982 Field harmonic enhancer in a deflection yoke
04/26/1994US5306933 CCD delay line with selective delay period circuit
04/26/1994CA1328755C Display system
04/21/1994DE4335080A1 Demagnetisation appts. including AC control relay and driver circuit - cuts off AC from demagnetising coil when driver transistor is blocked by rise of DC voltage on charged capacitor
04/20/1994EP0593307A2 Magnetic recording/reproducing apparatus
04/20/1994EP0593279A2 Television signal transmitting system and processing apparatus
04/20/1994EP0593276A1 Display apparatus
04/20/1994EP0593197A1 Solid state colour imaging device and method of manufacturing the same
04/20/1994EP0593157A2 Image processing apparatus
04/20/1994CN1085724A Luma-chroma video combining circuit