Patents
Patents for G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (121,486)
12/1981
12/01/1981US4303918 Gas panel with improved drive circuits
12/01/1981US4303917 Fluorescent display device
12/01/1981US4303915 Silent communicator
12/01/1981CA1113619A1 Interactive projection display system
11/1981
11/24/1981US4302756 Multiplexed display system
11/24/1981US4302751 Driver circuit for electrochromic displays
11/24/1981US4302086 Liquid crystal indicator in camera finder
11/18/1981EP0039849A2 Method and apparatus for driving a gas discharge display
11/18/1981EP0039679A1 Multiline charge transfer panel control system
11/17/1981US4301451 Erasure method for memory-type EL display devices
11/17/1981US4301450 Error detection for multi-segmented indicia display
11/10/1981US4300138 Electric memory detector in an ECD driver
11/10/1981US4300137 Matrix driving method for electro-optical display device
11/04/1981EP0039087A2 Method of driving a self shift type gas discharge panel driving system
11/03/1981US4298870 Device for driving a display element having a memorizing property
11/03/1981US4298866 Liquid crystal display device having capacitance compensation
11/03/1981US4298865 Display device for electronic calculator or the like
11/03/1981US4297934 Display device for automatic rhythm performance apparatus
10/1981
10/28/1981EP0038506A2 Control system for electro-optical display elements, especially of a telephonic subset
10/27/1981US4297697 Power supply method for liquid crystal display
10/27/1981US4297696 Color uniforming drive in an electrochromic display device
10/27/1981US4297695 Electrochromic display device
10/27/1981US4297692 Segment failure detector for digital display
10/21/1981EP0037916A2 Arrangement for representing pictures by light emtting diodes
10/20/1981US4296375 Level indicator for indication of maximum values
10/20/1981US4296357 Plasma display system
10/13/1981US4295138 Combined constant potential and constant voltage driving technique for electrochromic displays
10/13/1981US4295137 Electroluminescent display driver system for thin-film electroluminescent devices requiring electric field reversal
10/07/1981EP0036880A1 Digital blade adjustment read-out for a portable power tool
09/1981
09/30/1981EP0036678A1 Liquid crystal display device
09/29/1981US4292631 Plasma matrix display unit
09/29/1981US4291960 Display device
09/22/1981US4291399 Initial bleach in an electrochromic display
09/22/1981US4291307 Planar alphanumeric display
09/22/1981US4291305 Method for generating format lines and character data in an image scanning system
09/22/1981US4290686 Liquid crystal display device for camera
09/15/1981US4290121 Variable function programmed calculator
09/15/1981US4290061 Electrically integrated touch input and output display system
09/09/1981EP0035382A1 Modular display device and display module therefor
09/08/1981US4288792 Electronic apparatus with time-division drive
09/08/1981US4288154 Digital information indicating system
09/08/1981CA1108786A1 Integrated display device
09/03/1981WO1981002488A1 Drive circuit for driving a gas-discharge device
09/02/1981EP0034796A2 Liquid crystal display device
09/01/1981CA1108324A1 Self-shift type gas discharge panel driving system
09/01/1981CA1108323A1 Method of and apparatus for displaying waveforms
08/1981
08/26/1981EP0034558A2 Device for displaying prices and managerial data, and application to taxi-meters
08/25/1981US4286263 Illuminated changeable-display sign
08/11/1981US4283660 Multiline charge transfer panel input and hold system
08/11/1981US4283659 Display system utilizing incandescent lamp multiplexing
08/06/1981WO1981002214A1 Gas panel with improved drive circuits
08/04/1981CA1106501A1 Operator prompting system
08/04/1981CA1106478A1 Method and apparatus for operating an electrophoretic indicating element
07/1981
07/29/1981EP0032822A2 Information display apparatus
07/28/1981US4281324 Matrix type liquid crystal display
07/22/1981EP0032196A2 A method and circuit for producing avalanche currents in a gas discharge display panel
07/21/1981US4280079 Driving system for a plasma display panel
07/21/1981US4279475 Method of control of an electrolytic display cell and a circuit for the application of said method
07/21/1981CA1105625A1 Character generator
07/21/1981CA1105544A1 Optical screens
07/15/1981EP0031907A2 A circuit for providing a sustain voltage waveform for a gas discharge panel
07/14/1981US4278974 Driving system of display
07/14/1981US4278917 Driving circuit for fluorescent display device
07/14/1981US4278325 Electronic timepiece
07/14/1981CA1105161A1 Numerical display using plural light sources and having a reduced and substantially constant current requirement
07/08/1981EP0031678A1 A voltage regulator for a liquid crystal display
07/07/1981US4277785 Radio control circuit with microprocessor
07/07/1981US4277784 Switch scanning means for use with integrated circuits
07/07/1981CA1104711A1 Video display apparatus having a flat x-y matrix display panel
07/01/1981EP0031015A1 Device for driving and controlling the operation of an electro-optic data display, consisting of liquid crystal display elements (LCD device)
06/1981
06/30/1981US4276492 Plasma display panel
06/25/1981WO1981001760A1 Monitor for bus destination sign
06/23/1981US4275421 LCD controller
06/23/1981US4275336 Method of improving the memory effect and brightness of an alternating current excited thin film electroluminscent device
06/23/1981CA1103822A1 Driver system of memory tape gray-scale display panel
06/23/1981CA1103821A1 Instrument digital displays having segmental indicia and method of selectively activating horizontal segments thereof
06/17/1981EP0030478A2 Gas discharge panel device
06/16/1981US4274092 Display system for microscopic optical instruments
06/09/1981US4272821 Digital blade adjustment read-out for a portable power tool
06/03/1981EP0029472A1 Process for removing impurities from hydrocarbons by oxidation with an aqueous solution, and the resulting hydrocarbons
06/02/1981US4271410 LCD Data processor driver and method
06/02/1981US4270846 Electro-optical display device
06/02/1981CA1102459A1 Multiple data line shift gas panel assembly
05/1981
05/28/1981WO1981001476A1 Display control circuit
05/28/1981WO1981001413A1 Method of removing microorganisms from petroleum products
05/13/1981EP0028252A1 Input-keep alive arrangement for plasma charge transfer device
05/05/1981US4266225 Display panel interface circuit
05/05/1981US4266224 High performance information display panel
04/1981
04/28/1981US4264963 Static latches for storing display segment information
04/28/1981CA1100112A1 Cyclical moving line of intermittently "on" light
04/21/1981US4263594 Electro-optical display design
04/21/1981US4263534 Single sided sustain voltage generator
04/21/1981US4263339 Process for the production of electroluminescent powders for display panels
04/16/1981WO1981001068A1 Method and apparatus for addressing an opto-electric matrix display
04/14/1981US4262338 Display system with two-level memory control for display units
04/14/1981US4262292 Multiplexed scan display circuit
04/08/1981EP0026454A2 Integrated control circuit for passive electro-optical displays
04/08/1981EP0026382A1 Area localization method for mixed text/image processing on a picture-screen
04/08/1981EP0026381A1 Area localization process for mixed text/image processing on a picture-screen
04/07/1981CA1099040A1 Photoconductor control of electro-optically variable display cell