Patents
Patents for H04N 9 - Details of colour television systems (80,494)
03/1995
03/14/1995US5398075 Analog chroma keying on color data
03/14/1995US5398066 Method and apparatus for compression and decompression of digital color images
03/14/1995US5398061 Light source switching type color image scanner
03/14/1995US5398058 Color image pickup device having color temperature converting filters
03/14/1995US5398038 Method and apparatus for displaying color images
03/14/1995US5397947 Clipper circuitry
03/09/1995WO1995007006A1 Sequential demagnetization circuit
03/09/1995DE4329534A1 Method and arrangement for extracting a colour subcarrier-frequency signal
03/08/1995EP0642274A2 Video signal recording/reproducing apparatus
03/08/1995EP0642262A2 Automatic calibration in a waveform generator for deflection
03/08/1995EP0641455A1 Liquid crystal projection display
03/08/1995EP0487605B1 Image reversing unit
03/08/1995CN1099922A Digest playback apparatus and method for video cassette recorder
03/08/1995CN1099871A Lens units for projecting
03/08/1995CN1027844C Deflecting coil device
03/07/1995US5396441 Signal interpolation apparatus and signal interpolation method
03/07/1995US5396374 Method and apparatus for reproducing and after-recording digital information signals on magnetic tape
03/07/1995US5396340 Optical disc reproducing apparatus having displaying made control key functions
03/07/1995US5396339 Real-time disk system
03/07/1995US5396338 Recording and reproducing system
03/07/1995US5396304 Slide projector mountable light valve display
03/07/1995US5396294 Digital chrominance signal demodulation apparatus
03/07/1995US5396293 For enhancing quality of an image corresponding to a television signal
03/07/1995US5396257 Mutiscreen display apparatus
03/07/1995US5396156 Convergence correction circuit for cathode ray tube
03/07/1995CA2007964C Method and apparatus for tv broadcasting
03/07/1995CA1334686C Video signal recording/reproducing apparatus
03/02/1995WO1995006392A1 Display panel mount for projection display system
03/02/1995DE4340227C1 Linear colour CCD for an image sensor, and a driving method therefor
03/02/1995CA2170248A1 Display panel mount for projection display system
03/01/1995EP0641125A1 Reproduction apparatus of voice signals
03/01/1995EP0641122A2 Automatic kinescope bias apparatus with hot start flash prevention
03/01/1995EP0640858A2 Two-source illumination system
03/01/1995EP0640268A1 Method and apparatus for decoding encoded video data
03/01/1995CN2190843Y Colour-purity corrector
02/1995
02/28/1995US5394517 Integrated real and virtual environment display system
02/28/1995US5394276 Method and apparatus for two-channel recording of video signals
02/28/1995US5394275 Apparatus for selectively recording and reproducing two video signals having different amounts of data in each frame
02/28/1995US5394263 Method and apparatus for attenuating a light beam
02/28/1995US5394262 Volume display optical system and method
02/28/1995US5394249 Multisystem adaptable type signal processing and recording/reproducing apparatus
02/28/1995US5394248 Magnetic recording apparatus and magnetic reproducts apparatus with generator for distinguishable signal made discriminations informations words
02/28/1995US5394204 Projection type image display device
02/28/1995US5394197 Low-band conversion chrominance signal processing apparatus and method therefor
02/28/1995US5394195 Method and apparatus for performing dynamic gamma contrast control
02/28/1995US5394193 Pattern-adaptive digital comb filter for separation of a luminance and a color signal
02/28/1995US5394187 Video imaging systems and method using a single interline progressive scanning sensor and sequential color object illumination
02/28/1995CA2027520C Motion adaptive luminance signal and color signal separating filter
02/23/1995DE4428491A1 Circuit arrangement for improving the sharpness of the images reproduced on a colour picture tube
02/22/1995EP0639927A2 Digital video signal recording and reproducing apparatus
02/22/1995EP0639920A1 System and method for rendering a color image
02/22/1995EP0639891A1 Logical comb filters
02/22/1995CN1099214A Method for the manufacture of a degaussing coil, and coil obtained by this method
02/22/1995CN1099173A Picture signal processing equipment and method
02/21/1995US5392165 Apparatus for recording audio and video signals
02/21/1995US5392164 Dubbing system
02/21/1995US5392163 Digital video signal reproducing apparatus with compression and expansion of playback time
02/21/1995US5392128 Still video device that records/reproduces a plurality of identical signals
02/21/1995US5392127 Comb filter circuit on the reproduction side of the color channel of a video recorder
02/21/1995US5392080 Method and apparatus for an integrating sphere lamphouse
02/21/1995US5392077 Projection TV light controller
02/21/1995US5392075 Brightness signal/color signal separation
02/21/1995US5392074 Level detection circuit and ACC circuit employing the level detection circuit
02/21/1995US5392068 Imaging apparatus having start-of-imaging signal dependent color temperature measurement for white-balance
02/16/1995DE4326899A1 Projection-type television device
02/16/1995DE4324849A1 Projection system for projecting a colour video image (video picture), and an associated transformation optical system (transformation optics)
02/15/1995EP0639033A2 Video/audio compression and reproduction device
02/15/1995EP0639032A2 Structure and method for a multistandard video encoder/decoder
02/15/1995EP0638892A1 Improvements in or relating to image display systems
02/15/1995CN1098841A Process for coding character colors invideo systems and device using this process
02/15/1995CN1027668C Text broadcasting signal generating apparatus and text broadcasting signal receiving apparatus
02/14/1995US5390213 Digital FM synthesizer for record circuitry
02/14/1995US5390028 Apparatus for converting input video signal to motion picture film image
02/14/1995US5389982 Optical system for liquid crystal projector
02/14/1995US5389979 Chrominance signal playback system and method for video cassette recorders having noise suppression of the chrominance signal
02/14/1995US5389975 Video additive information identifying device with plural inputs
02/14/1995US5389974 Automatic converting device of television broadcasting mode
02/14/1995US5389970 Method and circuit for controlling white balance in a video signal
02/14/1995US5389969 Apparatus using brightness information from a photometering circuit and a brightness-converted green component from a color metering circuit to ultimately adjust white balance
02/14/1995US5389949 Video signal processor
02/09/1995WO1995004434A1 Method and apparatus for compression and decompression of digital color images
02/09/1995CA2168027A1 Method and apparatus for compression and decompression of digital color images
02/08/1995EP0477351B1 Process and device for modifying a zone of successive images
02/08/1995EP0293480B1 Three-dimensional video disc record, a recording apparatus therefor and a reproducing apparatus therefor
02/08/1995CN1098586A Color signal demodulation circuit and method thereof
02/08/1995CN1098585A Circuit for compensating the blue phosphor roll off at high drive levels in a projection television system
02/08/1995CN1098584A Picture signal transmitting method and apparatus
02/08/1995CN1098582A Transmitting apparatus
02/07/1995US5388159 Equalizing circuit for reproduced signals
02/07/1995US5387958 Electro-optical control of light attenuation in the optical path of a camera
02/07/1995US5387953 Polarization illumination device and projector having the same
02/07/1995US5387948 Method and apparatus for reducing scattered light in projection television tubes
02/07/1995US5387945 Video multiplexing system for superimposition of scalable video streams upon a background video data stream
02/07/1995US5387931 Carrier level balancing circuit for color camera
02/07/1995US5387929 Method and apparatus for subject image tracking in high definition film-to-video color correction
02/07/1995US5387928 Electronic endoscope system having both still and moving images
02/07/1995CA1334309C Method and apparatus for producing a color image
02/02/1995WO1995003676A1 Colour video image projection system and associated transformation optics
02/02/1995WO1995003675A1 Video projection system
02/01/1995EP0637166A1 Gradation compensating apparatus for a video signal