Patents
Patents for H04N 9 - Details of colour television systems (80,494)
06/1994
06/23/1994WO1994014276A1 Gamma correction circuit for use in image projectors
06/23/1994CA2112051A1 Method and system for compressing video data
06/22/1994EP0602897A2 Apparatus for generating a composite video signal
06/22/1994EP0602817A2 Digital video signal processing apparatus
06/22/1994EP0602732A2 Optical system with astigmatism compensation
06/21/1994US5323274 Reproducing apparatus
06/21/1994US5323272 Time delay control for serial digital video interface audio receiver buffer
06/21/1994US5323242 Carrier signal generating circuit in video signal recording/reproducing apparatus
06/21/1994US5323238 Image signal processing apparatus having improved storage control in accordance with an image signal level
06/21/1994US5323237 Timing compensator for video signal processor
06/21/1994US5323233 Image signal processing apparatus having a color filter with offset luminance filter elements
06/21/1994US5323232 Filter device for decimation and interpolation of chrominance components of a video signal
06/21/1994US5323002 Spatial light modulator based optical calibration system
06/16/1994DE4242201A1 Delay circuitry variable while operating - stores discrete signal samples at intervals determined by clock signal in sequence in chain of memory elements
06/15/1994EP0601963A2 System for recording/reproducing both digital and analog signals
06/15/1994EP0601666A1 Colour sequential light valve display device
06/15/1994EP0601655A1 Noise reduction filter
06/15/1994EP0601628A1 Optical projection apparatus
06/15/1994EP0601309A1 Improved bistable DMD addressing method
06/15/1994EP0601179A1 Single sensor video imaging system and method using sequential color object illumination
06/15/1994EP0600981A1 Process and device for decoding image signals containing additional information.
06/14/1994US5321789 Projection display apparatus, and light guide tube/light valve for use in the same
06/14/1994US5321684 Bidirectional sinusoidal scanning system
06/14/1994US5321551 Projection lens apparatus for rear projection television
06/14/1994US5321518 Video signal recording and reproducing apparatus using an added specific signal during recording
06/14/1994US5321517 Image transmission apparatus indicating a color type of the color signal transmitted
06/14/1994US5321511 Horizontal edge compensation circuit for a digital image processor
06/14/1994US5321507 Motion signal detecting circuit
06/14/1994US5321504 Modified black-level regulation based on warm up detection of CRT
06/14/1994US5321500 Non-real-time film scanning system
06/14/1994US5321499 Dichroic mirror and an image projection apparatus using the same
06/14/1994US5321448 Liquid crystal projector
06/14/1994US5321334 Imaging device
06/14/1994CA1330237C Video camera system with white balance adjustment
06/09/1994DE4341321A1 High definition solid state device for image recording and reproduction - samples pixels in half of two=dimensional pick=up area to generate video signals, e.g. for NTSC system
06/08/1994EP0600728A1 Polarization plane rotator applicable to polarization converter and projection display system
06/08/1994EP0600540A1 Colour diplay tube including a convergence correction device
06/08/1994EP0600496A2 A digital signal recording and reproducing apparatus
06/08/1994EP0600495A2 Apparatus for recording and reproducing digital video signal
06/08/1994EP0600493A2 A digital signal recording and reproducing apparatus
06/08/1994EP0600467A2 A digital signal recording and reproducing apparatus
06/08/1994EP0595808A4 Television displays having selected inserted indicia
06/08/1994EP0377025B1 Low resolution verifier for a still video image
06/08/1994EP0287682B1 Apparatus for magnetically recording and reproducing video signals
06/07/1994USH1320 Apparatus and method and means for producing a natural color display
06/07/1994US5319793 Method and apparatus for improved compression and recording of color video data in a personal computer using a plurality of lookup tables
06/07/1994US5319742 Image enhancement with mask having fuzzy edges
06/07/1994US5319501 Magnetic recording and reproducing apparatus which records analog time-base-compressed audio signals along with video signals
06/07/1994US5319478 Light control systems with a circular polarizer and a twisted nematic liquid crystal having a minimum path difference of λ/2
06/07/1994US5319474 Overlapping device of a color video printer
06/07/1994US5319467 Video tape recorder for recording a video signal with an additional time-base reference signal
06/07/1994US5319466 System for recording and reproducing picture signals into which character signals can be inserted
06/07/1994US5319465 Method for generating film quality images on videotape
06/07/1994US5319460 Image signal processing device including frame memory
06/07/1994US5319451 Color signal processing apparatus using a common low pass filter for the luminance signal and the color signals
06/07/1994US5319450 Circuitry for cancelling offsets of multiplexed color video signals
06/07/1994US5319449 White balance control device and video camera with a white balance control device
06/07/1994US5319448 Method and apparatus for correcting color reproduction
06/07/1994US5319447 Video control circuit for multimedia applications with video signal synchronizer memory
06/07/1994US5319214 Infrared image projector utilizing a deformable mirror device spatial light modulator
06/07/1994CA2048107C Liquid crystal projection apparatus
06/01/1994EP0599663A2 Chrominance signal processing
06/01/1994EP0599597A2 Colour burst signal detection
06/01/1994EP0599272A1 Image projector
06/01/1994EP0599257A2 Video signal recording apparatus and method
06/01/1994EP0599226A2 Method of dubbing digital video signals
06/01/1994CN2167494Y Projection device for colour picture display with single tube and single lens
06/01/1994CN1024869C Cathode-ray tube having improved 16X9 aspect ratio faceplate
05/1994
05/31/1994US5317648 Process for extracting a particular color image of an object and a color processing device therefor
05/31/1994US5317458 Apparatus for recording a count signal in a fixed location regardless of transport velocity of record carrier
05/31/1994US5317436 A slide assembly for projector with active matrix moveably mounted to housing
05/31/1994US5317427 Image processing apparatus and method for allowing the dynamic range of digital image data having a wide dynamic range to be compressed while preserving information of the digital image data
05/31/1994US5317413 Digital high-definition video signal recording and reproducing apparatus
05/31/1994US5317412 Video tape recorder for recording and reproducing high-definition video signal and audio signal
05/31/1994US5317410 I-axis detecting circuit provided in color demodulating circuit of TV receiver
05/31/1994US5317409 Projection television with LCD panel adaptation to reduce moire fringes
05/31/1994US5317348 Full color solid state laser projector system
05/31/1994US5317240 Kinescope driver apparatus with contrast enhancement
05/31/1994US5317239 Deflection yoke for cathode ray tube
05/31/1994CA1329950C Magnetic recording and reproducing apparatus with a function of variable speed reproduction
05/26/1994WO1994011995A1 Video logging system and method thereof
05/26/1994WO1994011987A1 Apparatus and method for enhancing color images
05/26/1994WO1994011985A2 Programmable audio timing generator for digital video tape recording
05/25/1994EP0598595A1 Method and apparatus for displaying color images
05/25/1994EP0598496A1 Frequency drop-out compensation
05/25/1994EP0598488A1 Digital time base corrector
05/25/1994EP0598480A1 Personal computer with motion video real time capture, compression and recording
05/25/1994EP0598448A1 Arrangement for recording a videosignal on a record carrier
05/25/1994EP0598184A2 Multisystem signal processing and recording/reproducing apparatus
05/25/1994CN1024737C Full channel video record and play apparatus
05/24/1994US5315619 Carrier recovery processor for a QAM television signal
05/24/1994US5315457 Magnetic recording apparatus with pilot signal recorded in successive tracks with changing pilot frequency
05/24/1994US5315453 Rotating-head video signal recording apparatus
05/24/1994US5315445 Audio signal recording apparatus and method for use with VTR
05/24/1994US5315418 Two path liquid crystal light valve color display with light coupling lens array disposed along the red-green light path
05/24/1994US5315412 Multi-chip color image sensor with light-receiving windows arranged to provide sensor output signals corresponding to the gap between adjacent sensors
05/24/1994US5315400 Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus
05/24/1994US5315396 Dropout compensation device
05/24/1994US5315384 Color line scan video camera for inspection system
05/24/1994US5315379 Apparatus for the demodulation of a carrier chrominance signal into color difference signals