Patents for H04N 5 - Details of television systems (344,250)
01/1991
01/09/1991EP0406947A1 Synchronizing circuit including an oscillator
01/09/1991EP0406900A2 Driving circuit for liquid crystal display apparatus
01/09/1991EP0406897A2 Method of correcting image signal
01/09/1991EP0406717A2 Method for clamping black level in infra-red scanners
01/09/1991EP0406698A2 Method and apparatus for correcting timing errors for a multi-picture display
01/09/1991EP0406687A2 Video camera having DC power source light
01/09/1991EP0406595A2 Method and apparatus for recording and reproducing a digital signal
01/09/1991EP0406524A1 Multistandard on screen display in a TV receiver
01/09/1991EP0406410A1 Scene based nonuniformity compensation of detector sensitivity of an image detector array.
01/09/1991EP0406291A1 Digital data security system
01/09/1991EP0406240A1 Advanced compatible television system with auxiliary carrier
01/09/1991CN2069189U Tv. receiver and repeater system for use with satellite l wave section transmitter
01/09/1991CN1048477A 信号处理系统 Signal processing system
01/09/1991CN1011185B Nonlinear signal processing apparatus
01/09/1991CN1011184B Video camera apparatus
01/09/1991CN1011183B Video signal processing apparatus
01/09/1991CN1011182B Kinescope driver with high frequency compensation
01/09/1991CN1011181B Digital video signal processing system
01/08/1991US4984273 Enhancing bass
01/08/1991US4984102 Information signal recording apparatus and apparatus for reproducing the same
01/08/1991US4984101 Record medium
01/08/1991US4984099 Apparatus for decoding a transmitted signal
01/08/1991US4984096 Video disk, disk player and method for long play mode constant angular velocity playback
01/08/1991US4984095 Video signal processing apparatus having delay means for varied uses
01/08/1991US4984094 High defination video signal recording system
01/08/1991US4984090 Tripod-containing grip for use with a video camera
01/08/1991US4984089 Outdoor surveillance dome with enhanced environmental aptitude and control system therefor
01/08/1991US4984088 Exposure controlling apparatus for electronic still camera
01/08/1991US4984087 Zoom lens
01/08/1991US4984086 Scanner with electronically variable raster to produce picture effects
01/08/1991US4984085 Image processor with dark current compensation
01/08/1991US4984084 Video camera
01/08/1991US4984083 Image processing system
01/08/1991US4984082 Circuit for displaying picture of multiple channels
01/08/1991US4984081 Apparatus for receiving and selecting high-definition television (HDTV) signals and standard television (NTSC) signals
01/08/1991US4984080 Video IF signal detector
01/08/1991US4984079 Video preamplifier circuit
01/08/1991US4984078 Single channel NTSC compatible EDTV system
01/08/1991US4984074 Motion vector detector
01/08/1991US4984073 Methods and systems for scanning and inspecting images
01/08/1991US4984070 Picture quality improving apparatus capable of reducing deterioration of interpolated signal
01/08/1991US4984044 Semiconductor
01/08/1991US4984002 Video camera shutter control by charge accumulation time of CCD images
01/08/1991US4983016 Bar shaped members of one resin dispersed in another, television
01/08/1991CA1278892C Half-tone display system for a flat matrix type cathode-ray tube
01/08/1991CA1278891C Luminance adjusting system for a flat matrix type cathode-ray tube
01/08/1991CA1278888C Apparatus for aligning raster scanned image touch panel
01/08/1991CA1278887C Fast tuning control for a television system
01/08/1991CA1278858C Digital effects device integrally combined within a video switcher
01/08/1991CA1278857C Frequency demodulator for television receiver with time multiplexing
01/08/1991CA1278816C Self-fixtured kinescope
01/08/1991CA1278719C Camera for recording television, photographic or cinematographic images, including an automatic focus- setting device
01/03/1991DE3925046C1 60-50 Hz video signal conversion method - choosing unselected frame from remaining sequence of three frames by scanning second full picture
01/03/1991DE3920809A1 Video recorder with video text recording - expands time of received digital text signal and records its extended time range
01/03/1991DE3920591A1 Video recorder system with commutation between two recorders - has commutation branch supplied image carrier and reduced chrominance carrier
01/03/1991DE3920234A1 Videorecorder mit erzeugung eines textsignals VCR with generation of a text signal
01/02/1991EP0406123A2 Still/slow circuit for a VCR with two heads
01/02/1991EP0406074A1 Image movement field segmentation process for video image coding
01/02/1991EP0406022A2 Display apparatus
01/02/1991EP0405842A2 Picture coding method
01/02/1991EP0405679A1 Autoadaptive equalization device for duobinary coded digital samples
01/02/1991EP0405491A2 Apparatus for recording and reproducing digital still image signal
01/02/1991EP0405419A2 Self-aligning analog laser transmitter
01/02/1991EP0405051A2 Multispectral band imaging and detecting device
01/02/1991EP0404952A1 Automatic focusing system
01/02/1991EP0404896A1 Process for producing a three-dimensional image, camera and process for producing three-dimensional copies or enlargements
01/02/1991CN2068739U Protector of video tape recorder
01/02/1991CN1048294A Video recorder with generation of text signal
01/02/1991CN1048276A Thin-type picture display device
01/02/1991CN1011111B Apparatus for digital signal playback
01/02/1991CN1011089B Projection screen having high resolution and good mechanical stability
01/02/1991CA1278622C Digital effects loop for video switchers
01/02/1991CA1278621C2 Image sensing apparatus
01/02/1991CA1278620C2 Image sensing apparatus
01/01/1991US4982418 X-ray diagnostics installation having a mean image brightness detector
01/01/1991US4982302 Heating
01/01/1991US4982294 Apparatus for enhancing and thresholding scanned microfilm images and methods for use therein
01/01/1991US4982291 Electronic still video camera capable of searching desired picture in simple and quick manner
01/01/1991US4982288 High definition television receiver enabling picture-in picture display
01/01/1991US4982287 Control of brightness level adapted to control of contrast
01/01/1991US4982286 Video signal processing device performing freezing and frame synchronization functions
01/01/1991US4982280 Motion sequence pattern detector for video
01/01/1991US4982279 Television receiver having a memorandum function
01/01/1991US4982253 Semiconductor charge storage element and method of operating such a storage element
01/01/1991US4982252 Solid state imaging device
01/01/1991US4982191 Clamping apparatus and gain control apparatus
01/01/1991US4982190 Digital arrangement having for its object to shunt ground separations at video circuits
01/01/1991US4982080 Radiation detecting array including unit cells with periodic output signals each within a unique frequency band
12/1990
12/30/1990CA2020033A1 Camera selection and positioning system and method
12/27/1990WO1991000665A1 Video telephone employing pulse width modulation for data transmission
12/27/1990WO1991000056A1 Fluoroscopy switching device
12/27/1990WO1990016131A1 Digital video recording
12/27/1990WO1990016130A1 Dynamic image encoder and dynamic image decoder
12/27/1990WO1990016129A1 Receiver-compatible noise reduction systems
12/27/1990WO1990016128A1 Transmission output reducing signal processing device
12/27/1990WO1990016127A1 Video recorder with text-signal generation facility
12/27/1990WO1990016083A1 Charge-coupled imager with dual gate anti-blooming structure
12/27/1990EP0404693A2 Variable scanning frequency multi-color projector
12/27/1990EP0404486A2 Thermal imaging system
12/27/1990EP0404465A2 Apparatus for recording and/or reproducing video and audio signals