Patents
Patents for H04N 9 - Details of colour television systems (80,494)
04/1994
04/20/1994CN1085716A Multi-input television receiver with combined clamping and sync separa separation
04/20/1994CN1024311C Television apparatus with picture in picture processing
04/19/1994US5305120 Television cross color suppression and chrominance noise reduction
04/19/1994US5305112 Video signal recording/reproducing system for recording and reproducing video signals in high quality picture television system
04/19/1994US5305108 Method for creating a special image effect
04/19/1994US5305106 Image signal reproducing apparatus having a synchronizing signal generator
04/19/1994US5305105 Audio/video signal input terminal circuit with automatic switching function
04/19/1994US5305096 Image signal processing apparatus using color filters and an image pick-up device providing, interlaced field signals
04/19/1994US5305095 Method and circuit for encoding color television signal
04/19/1994US5305094 Digital video signal color detector, corrector and method
04/19/1994US5305029 Projector
04/19/1994US5304946 Amplifier circuit having an operation point maintaining input and output voltages constant even if a gain thereof is varied
04/19/1994US5304854 Signal transient improvement circuit
04/19/1994CA1328687C Error detecting circuit
04/14/1994WO1994008425A1 Image mover
04/14/1994WO1994008422A1 Method of color enhancing monochrome images
04/14/1994CA2144304A1 Image mover
04/13/1994EP0592279A1 Color projection method and device of images caused by the modulation of optical valves
04/13/1994EP0592136A2 Producing and recording images
04/13/1994EP0592005A2 Solid state image pick-up apparatus
04/13/1994EP0591944A2 Synchronous compression and reconstruction system
04/13/1994EP0591707A2 Method for converting digitalized television signals
04/13/1994CN2162062Y Processing device for colour television picture signal
04/13/1994CN2162061Y Colour stereoscopic video projecting apparatus
04/13/1994CN1085372A Television receiver with auxiliary video clamp
04/12/1994US5303071 Color corrector in an apparatus for producing color image
04/12/1994US5303060 Apparatus for recording and/or reproducing HDTV signals
04/12/1994US5303059 Motion adaptive frequency folding method and circuit
04/12/1994US5303043 Projection television display utilizing Bragg diffraction cell for producing horizontal scan
04/12/1994US5303039 Data read device and method for video memory including first and second video memories and image data separator
04/12/1994US5303038 Circuit arrangement for A/D conversion of the color information components of two picture signals
04/12/1994US5302949 Signal encoding with reverse run length and variable length coding
04/12/1994US5302946 Stacked display panel construction and method of making same
04/12/1994CA1328514C Method and apparatus for displaying a multicolor image
04/07/1994DE4233356A1 VTR for PAL-Plus signal recording and reproduction - performs two-layer magnetic dual-head recordings of VHS signal and of further carrier frequency-modulated with helper signal
04/06/1994EP0590934A1 Convergence correction circuit for cathode ray tube
04/06/1994EP0590831A2 Luminance and chrominance signal separation circuits
04/06/1994EP0590137A1 Television signal processor
04/06/1994EP0339930B1 Method and apparatus for recording and reproducing picture information, and recording medium
04/06/1994CN2161039Y Large-screen colour television
04/06/1994CN1084988A Image data conversion processing device and information processing device having the same
04/05/1994US5301070 Information signal reproducing apparatus having three reproducing modes
04/05/1994US5301031 Scanning conversion display apparatus
04/05/1994US5301030 Optical illumination apparatus for a display unit with efficient light source polarization
04/05/1994US5301021 Display with vertical scanning format transformation
04/05/1994US5301017 Apparatus for receiving and displaying color television signals having different formats
04/05/1994US5301016 Method of and arrangement for deriving a control signal for inserting a background signal into parts of a foreground signal
04/05/1994US5301015 NTSC and PAL compatible digital encoder
04/05/1994US5300976 Movie camera system having view finding and projecting operations
04/05/1994US5300966 Projector
04/05/1994US5300944 Video display system and method of using same
04/05/1994US5300942 High efficiency light valve projection system with decreased perception of spaces between pixels and/or hines
04/05/1994CA2002555C Television receiver
04/05/1994CA1328309C Signal phase control by memory cycle read/write groups unlock
03/1994
03/31/1994WO1994007208A2 Selectively configurable integrated circuit device for performing multiple digital signal processing functions
03/31/1994DE4232359A1 VHS type video recorder with high quality mode - incorporates switches for changeover to second method of operation in which longitudinal speed is changed over in recording and reproduction to double nominal value
03/30/1994EP0678197A4 Membrane light modulating systems.
03/30/1994EP0589721A1 Digital zooming circuit with compensation of the edge degradation
03/30/1994EP0589513A2 Picture signal processor
03/30/1994EP0589486A1 Compatibility of widescreen and non-widescreen television transmissions
03/30/1994EP0589179A1 Speckle-free display system using coherent light
03/30/1994EP0271540B1 Mac format with alternating dc level and clock recovery signals
03/29/1994US5299289 Polymer dispersed liquid crystal panel with diffraction grating
03/29/1994US5299070 Digital signal reproducing system for processing the reproduced digital signal with the most favorable error rate
03/29/1994US5299042 Light-to-light conversion method, display unit using the same, and light-to-light conversion element incorporated therein
03/29/1994US5299039 Stacked display panel construction and method of aligning pixel elements thereof
03/29/1994US5299036 Liquid crystal projector including a polaration rotating element
03/29/1994US5299023 Portable video camera and recording apparatus
03/29/1994US5299022 Portable video camera and recording apparatus
03/29/1994US5299019 Image signal band compressing system for digital video tape recorder
03/29/1994US5299000 Video white signal compression and peaking
03/29/1994US5298999 Jitter detection circuit
03/29/1994US5298986 Video projection apparatus
03/29/1994US5298985 Image correction apparatus for adjusting images by digitially controlling analog correction waveforms
03/29/1994US5298984 Device for positioning the cathode ray tubes in a projection television system
03/29/1994US5298983 Small, high-resolution color display apparatus
03/29/1994US5298982 Television receiver with switchable chrominance signal filter
03/29/1994US5298981 Color signal aperture correction system having automatically selected source signal
03/29/1994US5298980 Automatic white balance regulating device with exposure detecting optical sensor
03/29/1994US5298979 Automatic digital white-balancing circuit utilizing memory addresses to determine where white-balance correction is necessary
03/29/1994US5298892 Stacked display panel construction and method of making same
03/23/1994EP0588653A2 Image data coding and restoring method and appatatus for coding and restoring the same
03/23/1994EP0588535A1 Video signal recording apparatus and reproducing apparatus
03/23/1994EP0588499A2 Image data conversion processing device
03/23/1994EP0588476A2 Video data compression
03/23/1994EP0588423A2 Control bus for multi-component consumer electronics system
03/23/1994EP0588190A1 Television receiver with switchable chrominance signal filter
03/23/1994EP0588189A1 Television receiver with plural video inputs and with adaptive luminance signal filter
03/23/1994EP0588170A1 Multi-input television receiver with combined clamping and sync separation
03/23/1994EP0588169A1 Television receiver with clamped auxiliary video input
03/23/1994EP0588167A2 Luma-chroma video combining circuit
03/23/1994EP0587631A1 Video recorder.
03/23/1994CN2159195Y Ultrasonic diagnostic apparatus with color changing device
03/22/1994US5297113 Jump operation in two-head-type video disc player
03/22/1994US5296978 Information signal reproducing apparatus
03/22/1994US5296922 Projection television with a wavelength-selection-type rear projection screen
03/22/1994US5296921 Two port network with shared elements for combining and filtering luma and chroma components to form composite video signal
03/22/1994US5296920 Color gradation correction method and apparatus
03/22/1994US5296883 Lamp changing system in LCD projector
03/22/1994CA2039200C Full color upconversion display