Patents
Patents for H04N 9 - Details of colour television systems (80,494)
08/1994
08/31/1994EP0613297A2 Digital high definition television video recorder with trick-play features
08/31/1994EP0613294A1 Gradation correction device and image sensing device therewith
08/31/1994EP0613292A1 An image processing system
08/31/1994EP0612457A1 Bidirectional sinusoidal scanning system.
08/31/1994EP0612423A1 Selectively configurable integrated circuit device for performing multiple digital signal processing functions
08/31/1994CN1091576A Low-band conversion chrominance signal processing apparatus and the method therefor
08/30/1994US5343302 Video camera with improved shading correction using clipped parabolic wave signal
08/30/1994US5343255 Video processing circuit with IF AGC loop, auxiliary video clamp and shared reference voltage source formed on common integrated circuit
08/30/1994US5343254 Image signal processing device capable of suppressing nonuniformity of illumination
08/30/1994US5343252 Method and apparatus for compositing video images
08/30/1994US5343244 Video signal processing apparatus for use with a video camera
08/30/1994US5343243 Digital video camera
08/30/1994US5343201 A-D converter
08/30/1994US5343119 Index type CRT having a photosensor with a function of amplifier
08/30/1994US5343111 Cathode ray tube and degaussing coil employed therein
08/26/1994CA2108428A1 Detection, correction and display of digital video information
08/24/1994EP0612190A2 Apparatus for recording and reproducing digital video signal
08/24/1994EP0612189A2 A frequency multiplier
08/24/1994CN1091232A Method for preventing the deterioration of picture quality in a video processor and circuit thereof
08/23/1994US5341248 Magnetic recording/reproducing apparatus having head structure for selectively recording/reproducing either of two kinds of signals containing different amounts of information
08/23/1994US5341178 Send-out convertors for a recording/reproducing system
08/23/1994US5341176 Automatic focus adjuster for projection display systems having in-operation and end-of-operation symbols superimposed over video data
08/23/1994US5341172 Image display apparatus for displaying images of plurality of kinds of video signals
08/23/1994US5341153 Method of and apparatus for displaying a multicolor image
08/23/1994US5341151 Liquid crystal colour display device with zig-zag pattern
08/23/1994US5340977 Solid-state image pickup device
08/23/1994CA2112325A1 Hue control without chrominance demodulation for pal
08/23/1994CA2065651C Television system having an ultrablack video signal blanking level for an on-screen character display
08/18/1994WO1994018802A1 Methods and apparatus for image projection
08/18/1994WO1994018801A1 Color wide dynamic range camera using a charge coupled device with mosaic filter
08/18/1994WO1994018793A1 Time-compressed signal recording and reproducing process
08/18/1994WO1994018792A1 Magnetic recording/reproducing apparatus
08/18/1994WO1994018791A1 Projection monitor
08/18/1994WO1994018763A1 Multi-media distribution and multi-media player
08/18/1994WO1994018691A1 Multi-beam group electron gun for color crt
08/18/1994WO1994011985A3 Programmable audio timing generator for digital video tape recording
08/18/1994DE4404932A1 Short-representation playback device and method for a video cassette recorder
08/18/1994CA2155310A1 Methods and apparatus for image projection
08/17/1994EP0610903A1 Improved compatible colour television system with switchable decoding
08/17/1994EP0610864A2 A digital recording apparatus recording teletext signals without decoding
08/17/1994EP0610785A2 Wide-screen picture indication signal detector for a television receiver
08/17/1994EP0610784A2 Wide-screen picture indicator for a VCR or laserdisc player
08/17/1994CN1025707C Convergence control system for multiple vertical formats
08/16/1994US5339321 Decoding signal error concealment system
08/16/1994US5339167 Reproduction speed controller for image signal reproducing apparatus
08/16/1994US5339158 Separation/synthesis mirror device in liquid filled housing with index matching
08/16/1994US5339118 Tone correcting apparatus for laser display system
08/16/1994US5339116 DMD architecture and timing for use in a pulse-width modulated display system
08/16/1994US5339115 Variable bandwidth luminance filter with commonly tuned delay and amplitude controlling filters providing frequency independent and bandwidth independent delay characteristic
08/16/1994US5339113 Motion-and nonstandard-adaptive three-dimensional YC separating circuit for NTSC signal
08/16/1994US5339112 Automatic phase controlling circuit for processing reproduced chroma signals
08/16/1994US5339108 Ordering and formatting coded image data and reconstructing partial images from the data
08/16/1994US5339011 Display device
08/16/1994US5339010 Color cathode-ray tube apparatus
08/16/1994CA1331488C Interleaved video system, method and apparatus
08/11/1994DE4403544A1 Recording and replay device for video signals
08/11/1994DE4303469A1 SVHS video recorder
08/10/1994EP0609859A1 Black compensation circuit for a video display system
08/10/1994EP0609858A1 Cathode ray tube driver with input black tracking provisions
08/10/1994EP0609844A2 Signal level converting circuit for liquid crystal display device receiving analog color signal
08/10/1994EP0609824A2 Digital video signal recording apparatus and method
08/10/1994EP0609761A2 Color temperature selection circuitry having color matrix correction
08/10/1994EP0609759A2 Signal clamping apparatus
08/10/1994EP0528790B1 Variable opening die means
08/10/1994CN1090698A Colour image display
08/10/1994CN1090697A Colour image display
08/10/1994CN1090664A Method and arrangement for establishing networks of electro-optical display-field modules
08/09/1994USRE34689 Multiple projection television receiver
08/09/1994US5337199 Digital transmission signal processing system and recording/reproducing system
08/09/1994US5337196 Stereo/multivoice recording and reproducing video tape recorder including a decoder developing a switch control signal
08/09/1994US5337193 Apparatus for selectively recording and/or reproducing a video signal with a PCM audio signal or with an FM audio signal
08/09/1994US5337192 Magnetic recording and/or reproducing apparatus having tape guide cylinder of reduced diameter and increased tape wrap angle
08/09/1994US5337171 Electro-optical device
08/09/1994US5337152 Solid-state color imaging apparatus
08/09/1994US5337093 Projection television system including a plurality of display elements with corresponding optical axes incident to a screen at different points offset from the screen center
08/09/1994US5337092 Image display apparatus
08/09/1994US5337087 Video signal encoding apparatus
08/09/1994US5337083 Digital video camera suppressing low-saturation chrominance
08/09/1994US5337068 Field-sequential display system utilizing a backlit LCD pixel array and method for forming an image
08/09/1994CA1331400C Method and apparatus for calibrating the phase of a video signal
08/04/1994WO1994017637A1 Video display system
08/04/1994WO1994017634A1 Image signal encoding method, image signal encoder, image signal decoding method, image signal decoder, and image signal recording medium
08/04/1994WO1994017631A1 Digital video tape recorder for digital hdtv
08/04/1994WO1994017628A1 Display of closed captioning status
08/04/1994WO1994017626A1 Television set with a buffer memory
08/04/1994WO1994017620A2 Device for regenerating video signals for colour television
08/04/1994DE4302748A1 Reproducing long play recording of video tape recorder
08/04/1994CA2088699A1 Power saving circuit for magnetic focus amplifier using switchable resonance capacitors
08/03/1994EP0609055A1 Light valve apparatus and display system using same
08/03/1994EP0608935A2 Apparatus for reproducing and processing a video signal and circuit arrangement for such apparatus
08/03/1994EP0608618A2 Method and system for encoding and/or decoding of the colour signal components of a picture signal
08/03/1994EP0450036B1 Telecine scanning apparatus with spectrally-shifted sensitivities responsive to negative or print film dyes
08/02/1994US5335125 Video signal magnetic recording and reproducing apparatus
08/02/1994US5335117 Digital magnetic recording/reproducing method and apparatus therefor for recording re-arranged sync blocks
08/02/1994US5335116 Method and apparatus for recording analog video signal in compressed digital format
08/02/1994US5335080 Apparatus and method for generating video picture adjustment signals in VCR
08/02/1994US5335078 Image signal recording apparatus or reproducing apparatus
08/02/1994US5335077 Time base correcting device
08/02/1994US5335074 Phase locked loop synchronizer for a resampling system having incompatible input and output sample rates
08/02/1994US5335071 Apparatus for enhancing image quality of a videotape recorder using motion adaptive method