Patents
Sitemap › G09 - Educating; Cryptography; Display; Advertising; Seals › G09G - Arrangements or circuits for control of indicating devices using static means to present variable information › G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
Patents for G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (121,486)
07/1990
07/18/1990EP0378249A2 Display circuit
07/18/1990EP0377956A1 Row drive for EL panels and the like with transformer coupling
07/18/1990EP0377955A1 Row drive for EL panels and the like with inductor coupling
07/17/1990US4942458 Color liquid crystal display apparatus
07/17/1990US4942392 Optical display device
07/17/1990US4941736 Ferroelectric liquid crystal device and driving method therefor
07/17/1990CA1271859A1 Circuit for driving a multiple-element display
07/12/1990WO1990007768A1 Flicker-free liquid crystal display driver system
07/12/1990WO1990007725A1 Method of driving liquid crystal element
07/11/1990EP0377442A1 Radio frequency powered large scale display
07/11/1990CN1043795A 液晶显示板 Liquid crystal display panel
07/04/1990EP0376437A2 An active matrix type liquid crystal display
07/04/1990EP0376328A2 Liquid crystal display device
07/04/1990EP0376233A2 Driving system for a display device
07/04/1990CN2059015U Changable imformation board remembered and driven by scr thyristor
07/03/1990US4939529 Method for driving and controlling liquid crystal and device
07/03/1990US4938574 Method and apparatus for driving ferroelectric liquid crystal optical modulation device for providing a gradiational display
07/03/1990US4938566 Display apparatus
07/03/1990US4938565 Thin-film transistor array used for liquid-crystal display device
07/03/1990EP0227702A4 Laser display system.
06/1990
06/27/1990EP0375269A2 Liquid crystal display device
06/27/1990EP0374845A2 Method and apparatus for driving a liquid crystal display panel
06/27/1990EP0374372A2 Liquid crystal display device
06/26/1990US4936658 Projection type liquid crystal displaying device
06/21/1990CA2005952A1 Display apparatus
06/20/1990EP0373897A2 Liquid crystal display panel
06/20/1990EP0373786A2 Display device
06/20/1990EP0373565A2 Method of driving a display unit
06/20/1990EP0373176A1 Paging receiver with dynamically allocated display rate.
06/20/1990EP0279746B1 Plasma panel having four electrodes per elementary image point, and method of controlling such a plasma panel
06/20/1990CN1043216A Display device
06/19/1990US4935889 Multi-level display for small computer
06/19/1990US4935731 Image display apparatus
06/19/1990US4935671 Thin-film EL display panel drive
06/19/1990US4935670 Image display device
06/13/1990EP0372637A1 Display device
06/13/1990EP0372467A2 Electronic blackboard having image display function
06/13/1990EP0372364A1 Method and apparatus for driving display device
06/13/1990EP0372181A1 Improved power supply circuit for electroluminescent light panels operated from low voltage battery source
06/12/1990US4932761 Method and device for driving electrooptical light shutter
06/12/1990US4932759 Driving method for optical modulation device
06/06/1990EP0371798A2 Method and apparatus for driving display device
06/06/1990EP0371665A1 Display apparatus and method of driving display panel
06/05/1990US4931787 Active matrix addressed display system
06/05/1990US4931786 Electronic image display systems with improved cathode-ray tube construction
06/05/1990US4930875 Scanning driver circuit for ferroelectric liquid crystal device
06/05/1990US4930874 Liquid crystal display device
06/05/1990US4930849 Laser scanning apparatus and method of scanning using same
05/1990
05/31/1990DE3839592A1 Liquid crystal cell with redundant thin-film transistors
05/30/1990EP0370773A2 Method for driving a multi-layered-type liquid crystal display device
05/30/1990EP0370752A2 Methods and apparatus for optically enhancing selected features in an input image
05/30/1990EP0370649A2 Addressing scheme for multiplexed ferro-electric liquid crystal
05/29/1990US4929936 LED illuminated sign
05/29/1990US4929870 Method for the transmission of control signals to the row drive circuits in the control of thin-film electroluminescent displays
05/29/1990US4929061 Color liquid crystal display device
05/29/1990US4929058 Method for driving a display device
05/29/1990US4929057 Liquid crystal optical device
05/29/1990CA1269772A1 Matrix addressable displays
05/23/1990EP0369481A2 Video signal display apparatus with a liquid crystal display unit
05/23/1990DE3911527C1 Circuit arrangement for a display driver for a display device
05/22/1990US4928181 Methods and apparatus for optically enhancing selected features in an input image
05/22/1990US4928095 Active matrix-addressed picture display device
05/22/1990US4927243 Method and apparatus for driving optical modulation device
05/21/1990CA2003528A1 Methods and apparatus for optically enhancing selected features in an image
05/17/1990WO1990005429A1 Frame-sequential colour display system
05/16/1990EP0368572A2 Device and method for driving a liquid crystal panel
05/16/1990EP0368117A2 Display system
05/16/1990EP0367848A1 Four-color repetitive sequence matrix array for flat panel displays
05/16/1990EP0172089B1 Display device using field emission excited cathode luminescence
05/15/1990US4926168 Liquid crystal display device having a randomly determined polarity reversal frequency
05/15/1990US4926166 Display driving system for driving two or more different types of displays
05/15/1990US4925277 Method and apparatus for driving optical modulation device
05/09/1990EP0367531A2 Method of driving ferroelectric liquid crystal display panel
05/08/1990US4924218 Independent sustain and address plasma display panel
05/08/1990US4924217 Driver circuits for dot matrix display apparatus
05/08/1990US4924215 Flat panel color display comprising backlight assembly and ferroelectric liquid crystal shutter assembly
05/08/1990US4924148 High brightness panel display device
05/08/1990US4923285 Drive apparatus having a temperature detector
05/03/1990DE3836558A1 Method and device for generating a television image on a digital screen, particularly a matrix display
05/02/1990EP0366153A2 Liquid crystal apparatus
05/02/1990EP0366117A2 Liquid crystal apparatus
05/02/1990CN1041840A Method of driving display device
05/01/1990US4922243 Voltage regulator circuit for use in a programmable message display
05/01/1990US4922241 Display device for forming a frame on a display when the device operates in a block or line access mode
05/01/1990US4922240 Thin film active matrix and addressing circuitry therefor
05/01/1990US4922237 Flat panel display control apparatus
05/01/1990US4921334 Matrix liquid crystal display with extended gray scale
04/1990
04/30/1990CA2001868A1 Frame sequential colour display system
04/25/1990EP0365445A2 Electroluminescent storage display with improved intensity driver circuits
04/25/1990EP0364590A1 Method of erasing liquid crystal display and an erasing circuit
04/18/1990EP0364307A2 Method and apparatus for displaying different shades of gray on a liquid crystal display
04/18/1990EP0363354A1 Video maps generator
04/17/1990US4918428 Two dimensional numerical display with tread indicator
04/17/1990US4917470 Driving method for liquid crystal cell and liquid crystal apparatus
04/17/1990US4917469 Addressing liquid crystal cells
04/17/1990US4917468 Drive circuit for use in single-sided or opposite-sided type liquid crystal display unit
04/17/1990US4917467 Active matrix addressing arrangement for liquid crystal display
04/12/1990DE3834630A1 Luminaire for indicating the operation and for simultaneously illuminating an operating panel of a domestic appliance
04/11/1990EP0363030A2 Apparatus and methods for pulsing the electrodes of an electrophoretic display for achieving faster display operation
04/11/1990EP0362974A2 Driving circuit for a matrix type display device
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