Patents
Patents for G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (121,486)
04/1992
04/07/1992US5103309 Display apparatus
04/07/1992US5103218 Source electrode driving circuit for matrix type liquid crystal display apparatus
04/07/1992US5103144 Brightness control for flat panel display
04/07/1992US5103112 Apparatus for generating control pulses of variable width, as for driving display devices
04/07/1992CA1298607C2 Signal processing system for large screen display apparatus
04/02/1992WO1992005536A1 Electroluminescent panel driver with efficient start-up
04/01/1992EP0478386A2 Drive circuit for a display apparatus
04/01/1992EP0478384A2 Drive circuit for a display apparatus
04/01/1992EP0478382A2 Driving method and apparatus for liquid crystal display device
04/01/1992EP0478381A2 Display control method and apparatus for liquid crystal display device
04/01/1992EP0478371A2 Liquid crystal display driver circuitry
04/01/1992EP0478186A2 Display device
04/01/1992EP0478043A1 Display device
04/01/1992EP0477566A2 Improvements in or relating to light modulation
04/01/1992CN2100677U New-type grade-digit indicator
03/1992
03/31/1992US5101197 Electronic transparency method and apparatus
03/31/1992US5101196 Display device for microcomputer
03/31/1992US5101116 Multi-level voltage generator to drive lcd
03/25/1992EP0477100A1 Sample and hold circuit for a liquid crystal display panel
03/25/1992EP0477099A1 Driver protection circuit for a liquid crystal display
03/25/1992EP0477014A2 Display unit having brightness control function
03/25/1992EP0476957A2 Method and apparatus for driving a display device
03/25/1992EP0476797A2 Liquid crystal display device
03/24/1992US5099178 Method and system for controlling the brightness of a vacuum fluorescent display
03/19/1992WO1992004710A1 Co-ordinate addressing of liquid crystal cells
03/19/1992WO1992004709A1 Co-ordinate addressing of liquid crystal cells
03/19/1992WO1992004708A1 Co-ordinate addressing of liquid crystal cells
03/18/1992EP0475847A1 Electrochromic window
03/18/1992EP0475770A2 Method for driving an electro-optical device
03/18/1992EP0475249A2 Method for driving liquid crystal light valve of light writing type
03/18/1992EP0289544B1 Electron beam addressed liquid crystal light valve
03/18/1992CN1015939B Liquid crystal display panel
03/17/1992CA1297602C Plasma display apparatus
03/15/1992CA2050719A1 Electrochrome glazing
03/14/1992CA2051251A1 Electrooptical device
03/11/1992EP0474474A2 Semiconductor light valve device and process for fabricating the same
03/11/1992EP0474231A2 Electronic device
03/10/1992US5095377 Method of driving a ferroelectric liquid crystal matrix panel
03/10/1992US5095376 Apparatus and method for driving an optical printer having a liquid crystal optical switch
03/10/1992US5095305 Large display apparatus using discharge lamps and discharge lamp load circuit for the large display apparatus
03/10/1992US5095304 Matrix display device
03/10/1992US5095248 Electroluminescent device driving circuit
03/06/1992CA2050736A1 Light valve device
03/04/1992EP0473058A2 Liquid crystal apparatus
03/03/1992US5093737 Method for driving a ferroelectric optical modulation device therefor to apply an erasing voltage in the first step
03/03/1992US5093736 Time-sharing addressing driving means for a super twisted liquid crystal display device
03/03/1992US5093655 Liquid-crystal display apparatus
03/03/1992US5093654 Thin-film electroluminescent display power supply system for providing regulated write voltages
03/03/1992US5093652 Display device
03/03/1992US5093612 Secondary voltage supply and voltage clamping circuit
03/03/1992US5093581 Circuitry for generating pulses of variable widths from binary input data
03/03/1992US5092671 Device for projection television pictures
03/03/1992US5092665 Driving method for ferroelectric liquid crystal optical modulation device using an auxiliary signal to prevent inversion
02/1992
02/26/1992EP0472463A1 Method for displaying images on a matrix screen and system for carrying out this method
02/26/1992EP0471935A2 Circuit for supervising a matrix of bistable points
02/25/1992USRE33829 Redundant conductor structures for thin film FET driven liquid crystal displays
02/25/1992US5091784 Matrix type image display apparatus using non-interlace scanning system
02/25/1992US5091723 Display apparatus including partial rewritting means for moving image display
02/25/1992US5091722 Gray scale display
02/25/1992US5090794 Method for driving a multi-layered-type liquid crystal display device
02/25/1992CA1296438C Active matrix display device and method for driving the same
02/25/1992CA1296380C Neon tube lighting device
02/20/1992WO1992002925A1 Multiplex addressing of ferro-electric liquid crystal displays
02/19/1992EP0471460A2 Liquid crystal display device
02/19/1992EP0471275A2 Color display control apparatus for controlling display gray scale of each scanning frame or each plurality of dots
02/19/1992CN1058850A Multiplex addressing of ferro-electric liquid crystal displays
02/18/1992US5089812 Liquid-crystal display
02/18/1992US5089810 Stacked display panel construction and method of making same
02/18/1992US5088806 Apparatus and method for temperature compensation of liquid crystal matrix displays
02/18/1992CA1296047C Fluorescent display apparatus
02/12/1992EP0470801A1 Apparatus and method for volume graphics display
02/12/1992EP0470800A1 Volume display development system
02/11/1992US5087858 Gas discharge switched EL display
02/11/1992CA1295656C Electronic dimmer control for vacuum fluorescent display devices
02/06/1992WO1992000546A3 Nematic liquid crystal display, having surface bistability and controlled by a flexoelectrical effect
02/05/1992EP0470032A2 Multi function display system
02/05/1992EP0469531A2 Liquid crystal apparatus and driving method therefor
02/05/1992EP0469004A1 Data transmission system.
02/05/1992CN1058479A Color lcd display control system
02/04/1992US5086294 Indicator circuit for protecting light emitting diode
01/1992
01/29/1992EP0468358A2 Process for producing electrode plate structure for liquid crystal color display device
01/28/1992CA1295063C Display device
01/28/1992CA1295062C Display device
01/23/1992WO1992001280A1 Equipment for reading out data to be displayed
01/22/1992EP0467048A2 Field-updated deformable mirror device
01/22/1992EP0467034A1 Display device
01/22/1992EP0466835A1 Method and apparatus for producing perception of high quality grayscale shading on digitally commanded displays.
01/21/1992CA1294720C Display device
01/18/1992CA2047136A1 Processor-controlled indicator device for changes in traffic conditions
01/16/1992DE4022166A1 Integratable, low loss multiple LED driver - uses microprocessor controlling LEDs arranged in groups of serial circuits, each contg. antiparallel pairs of LEDs
01/15/1992EP0466506A2 Electrooptical display device
01/15/1992EP0466378A2 Liquid crystal display panel for reduced flicker
01/15/1992EP0466377A2 Liquid crystal display for displaying half-tone images
01/15/1992EP0346463A4 An improved video display system
01/14/1992US5081687 Method and apparatus for testing LCD panel array prior to shorting bar removal
01/14/1992US5081451 Display system for use in vehicle
01/14/1992US5081400 Power efficient sustain drivers and address drivers for plasma panel
01/09/1992WO1992000546A2 Nematic liquid crystal display, having surface bistability and controlled by a flexoelectrical effect
01/08/1992EP0465111A2 Liquid crystal display device
01/08/1992EP0465063A2 Television image processing apparatus