Patents
Patents for H04N 9 - Details of colour television systems (80,494)
07/1991
07/31/1991EP0438910A2 A projection type display apparatus
07/31/1991EP0438817A1 Double cell twisted nematic LCD and color display device employing same
07/30/1991US5036406 Method and apparatus for obtaining identical output signal from nominally identical time base corrector unit having slightly different characteristics
07/30/1991US5036404 Video disc player comprising clamping circuit for muse signal
07/30/1991US5036388 Apparatus including an improved device for recovering the d.c. component
07/30/1991US5036387 Color television receiver
07/30/1991US5036293 Oscillator for use with video signal time scaling apparatus
07/30/1991US5036260 Self biasing protection arrangement for a cathode ray tube
07/30/1991US5036259 Dynamic focus system for CRT display
07/30/1991US5036257 Projection TV deflection loss protection circuit
07/30/1991CA1287163C Method and apparatus for reconstructing missing color samples
07/25/1991WO1991011076A2 Video display system
07/25/1991WO1991006183A3 Telecine scanning apparatus with spectrally-shifted sensitivities responsive to negative or print film dyes
07/25/1991DE4001254A1 Colour TV receiver video signal input switch - affords choice of signals from TV antenna or video recorder providing sepd. luminance and chrominance components
07/24/1991EP0438362A1 A spectacle type display apparatus displaying directly to retina
07/24/1991EP0438293A2 Video signal recording/reproduction device having dropout compensation function
07/24/1991EP0437887A1 Video camera with manual color balance adjusting option
07/24/1991EP0437882A1 Video system
07/24/1991CN1053343A Circuit for inserting characters on screen in television receiver
07/24/1991CN1013327B Improved luminescent display cell
07/23/1991US5034981 Anti-copying video signal processing
07/23/1991US5034823 Drop-out compensation circuit
07/23/1991US5034821 Optical sight for television camera with automatic geometry and convergence correction adapted for bi-format filming, and camera equipped with such a sight
07/23/1991US5034818 Priority selector for external signals
07/23/1991US5034805 Color separation apparatus
07/23/1991US5034804 Electronic still camera with various modes of data compression
07/23/1991US5034665 Deflection loss protection arrangement for a CRT
07/23/1991CA1286767C Color picture image processing system for separating color picture imageinto pixels
07/17/1991WO1991011075A1 Process and device for the automatic correction of geometry, superposition of colours and uniformity of image for a television camera
07/17/1991EP0437411A1 Secam coder/decoder with low crosstalk level
07/17/1991EP0437234A2 Intermittent magnetic recording method and apparatus thereof
07/17/1991EP0436959A2 Digital color video system using dirty bits to provide high speed pixel data for raster displays
07/17/1991EP0436738A1 Optically writing projection-type display
07/17/1991CN1013236B Digital vertical beam landing correction circuit
07/17/1991CA2047687A1 Procedure and device for the automatic correction of skew, of color superimposition, and of image uniformity for television cameras
07/16/1991US5032925 Circuit for identifying when a reproduced color video signal has been recorded in a high-band or low-band mode
07/16/1991US5032915 Apparatus for detecting positive and negative noise signals in a video signal
07/16/1991US5032914 Movement detection and y/c separation circuit for detecting a movement in a television display picture
07/16/1991US5032913 Electronic endoscope system equipped with color smear reducing means
07/16/1991US5032911 Video image printer using liquid crystal light valves and primary auxiliary direction scanning
07/16/1991US5032910 Mechanism for producing interpolated color values for a sampled color image signal using a linear equation technique
07/16/1991US5032902 Playback color processing circuit
07/16/1991US5032901 Backing color and luminance nonuniformity compensation for linear image compositing
07/16/1991US5032900 Television receiver with auxiliary input connector for video signals of a separated y-c format
07/16/1991US5032828 Apparatus for displaying images for vehicles
07/16/1991US5032769 Device for measuring a characteristic of a color cathode ray tube based on synchronized signals
07/16/1991US5032764 Coil, a method of construction of said coil and an imaging device equipped with a coil of this type
07/16/1991US5032021 Liquid crystal projector
07/16/1991US5032004 Beam splitter apparatus with adjustable image focus and registration
07/16/1991CA1286397C2 Time base corrector memory arrangement and memory control
07/16/1991CA1286396C Time base corrector with accurate timing corrector control
07/16/1991CA1286395C Adaptive comb filtering system for processing video signals
07/11/1991WO1991010340A1 Electroluminescent flat display and process for producing it
07/11/1991WO1991010330A1 A method to extend the linear range of images captured on film
07/11/1991WO1991010318A1 Grid-correction circuit for tv sets
07/11/1991WO1991010315A1 Electronic film editing
07/11/1991WO1991010254A1 Mosaic monitor for higher resolution and privacy means for audio accomodations
07/11/1991WO1991010223A1 Field-sequential display system utilizing a backlit lcd pixel array and method for forming an image
07/11/1991WO1991006034A3 Illumination system for a film scanner
07/11/1991WO1991003131A3 Convergence control system for multiple vertical formats
07/10/1991EP0436442A2 Circuit for automatically controlling white balance and black balance and the method thereof
07/10/1991EP0436012A1 A compression method and apparatus for single-sensor color imaging systems
07/10/1991CN1052978A Circuit for screen correction in television device
07/09/1991US5031052 Color phase correction circuit
07/09/1991US5031043 Video signal selection means for transmitting signal and key information over a signal channel
07/09/1991US5031033 Projection television apparatus
07/09/1991US5031031 Video signal processing apparatus
07/09/1991US5030896 D.C. restore for a remote video interconnect
07/06/1991WO1991011070A1 Method and device for creating a facsimile of an image
07/06/1991CA2050297A1 Method and device for creating a facsimile of an image
07/03/1991EP0435663A2 A magnetic recording/reproduction device for TCI signals
07/03/1991EP0435527A1 Picture element encoding
07/03/1991EP0435391A2 Color display apparatus
07/03/1991EP0435289A1 Video disk recording apparatus
07/03/1991EP0435288A1 Image projector
07/03/1991EP0237561A4 Audio and video digital recording and playback system
07/03/1991CN1052764A Video display system for displaying wide, and standard, aspect ratio video signals
07/03/1991CN1052763A Method for positioning light beam on picture surface
07/02/1991US5029326 Picture display system
07/02/1991US5029258 Image display device and its driving method
07/02/1991US5029012 Magnetic recorder and regenerator
07/02/1991US5029006 Video signal processing circuit capable of enlarging and displaying a picture
07/02/1991US5029000 High definition television system
07/02/1991US5028993 Video printer having data are stored in main and sub memories are read out in synchronism thereby generating a synthesized picture data
07/02/1991US5028850 Deflection system with a controlled beam spot
07/02/1991US5028121 Projection device
06/1991
06/27/1991WO1991009503A1 Television display system for modulating projected beams' intensity
06/27/1991WO1991009497A1 Circuit for on-screen display of characters in a tv receiver
06/27/1991WO1991009493A1 Method for deriving noise-reduced estimates of colour signal parameters from multiple colour/luminance image sensor outputs
06/27/1991WO1991009491A1 Process for adjusting the position of the deflection raster in a television set
06/27/1991WO1991007840A3 Digital compression method and system with improved coding efficiency
06/27/1991DE3942699A1 Elektrolumineszenz-flachdisplay und verfahren zur herstellung derartiger flachdisplays Electroluminescent flat display and process for production of such flat displays
06/27/1991DE3942352A1 Compactly encoded colour video signal recorder and reproducer - uses storage of longer sequence of colour carrier signal in one line of passive picture region
06/26/1991EP0434356A2 Video tape recorders
06/26/1991EP0434209A2 Video comb filter
06/26/1991EP0434189A2 Digital motion verificatin circuit
06/26/1991EP0434041A1 Polarized illuminazing device
06/26/1991EP0433687A2 Videorecorder for recording and playing back video signals transmitted with the letter-box method
06/26/1991EP0433672A2 White balance adjusting apparatus for automatically adjusting white balance in response to colour information signal obtained from image sensing device
06/26/1991EP0282569B1 Apparatus for correcting video color signals