Patents
Patents for G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (121,486)
01/1980
01/10/1980WO1980000038A1 Monitoring device for monitoring the segments of a liquid crystal display
01/09/1980EP0006797A1 Electrolytic display cell with a reference electrode and controlled erasing voltage
01/09/1980EP0006794A1 Method and device for controlling an electrolytic display cell
01/09/1980EP0006793A1 Method and circuit arrangement for controlling an electrolytic display cell by means of a leakage current for the bleaching
01/08/1980US4183021 Circuit arrangement
01/01/1980US4181753 Process for the production of electroluminescent powders for display panels and coating the powders with zinc phosphate
01/01/1980CA1069231A Color video synthesizer with monochrome input
12/1979
12/25/1979US4180813 Liquid crystal display device using signal converter of digital type
12/25/1979US4180762 Driver circuitry for plasma display panel
12/18/1979CA1068424A1 Plasma display drive circuit
12/18/1979CA1068423A1 Liquid crystal display device
12/18/1979CA1068422A1 Read/write character generator memory loading method
12/13/1979WO1979001058A1 Heating apparatus
12/11/1979US4178593 Driving circuit for a luminescent display tube for analog display
12/11/1979US4178575 Indicating apparatus for indicating numerals or letters by a plurality number of indicating elements
12/04/1979US4177454 Digital display system
12/04/1979CA1067631A1 Gas discharge panel drive system
12/04/1979CA1067630A1 Character display device
11/1979
11/29/1979WO1979001043A1 Series-parallel converter
11/27/1979US4176298 Display panel apparatus and method of driving
11/27/1979US4176297 Ultra violet initiated gas discharge visual display matrix
11/27/1979US4175836 Method and apparatus for forming visible images
11/27/1979CA1067224A1 Driving circuits for a multi-digit gas discharge panel
11/13/1979CA1066441A1 Two-dimensional scanned gas discharge display panel
11/06/1979US4173758 Driving circuit for electrochromic display devices
11/06/1979US4173734 Voltage dividing integrated circuit device
10/1979
10/30/1979CA1065512A1 Elevator system
10/30/1979CA1065456A1 Electrochromic display adapted for multiplexing
10/23/1979CA1065070A1 Apparatus for displaying planar data
10/17/1979EP0004700A2 Gaseous discharge display system
10/17/1979EP0004548A2 Electrochromic display device and method of operating the same
10/16/1979US4171524 Display device having a matrix of gas discharge display elements
10/09/1979US4170772 Flat panel display with full color capability
10/09/1979US4170771 Orthogonal active-passive array pair matrix display
09/1979
09/25/1979US4169258 One-third selection scheme for addressing a ferroelectric matrix arrangement
09/25/1979CA1063148A1 Alkali-earth metal compounds for dielectric layer of gas discharge panel
09/19/1979EP0004135A1 Shift gas panel
09/18/1979US4168498 Digital display drive and voltage divider circuit
09/11/1979US4167309 Electrochromic display device
09/05/1979EP0003886A1 Gas discharge display apparatuses using self shift gas discharge panels, and methods of driving such panels
09/04/1979US4166676 Method of turning off the display in electrochromic display devices
08/1979
08/21/1979CA1061003A1 Display inhibition means for dynamic multi-digit display in two-speed calculators or the like
08/08/1979EP0003250A1 Multicolour electroluminescent display device
07/1979
07/31/1979US4163228 Information display system having digital logic interconnections
07/31/1979US4163224 Display device with memory
07/31/1979US4163162 Bistable electret system
07/24/1979US4162493 Graphic display systems
07/24/1979US4162427 Gas-discharge display panel
07/17/1979CA1058783A1 Pressure actuated light pen
07/17/1979CA1058782A1 Pressure actuated light pen
07/11/1979EP0002966A1 Improved display method and apparatus
07/11/1979EP0002954A1 Gas discharge display apparatus of the self-shift type
07/10/1979US4160973 Three-dimensional display
07/10/1979US4160932 Method of driving flat discharge panel
07/10/1979CA1058339A1 Display terminal system
07/03/1979US4160242 Reading machine
07/03/1979US4160241 Electrochromic display device
07/03/1979CA1057869A1 Light pen detection for plasma panels using specially timed scanning address pulses
06/1979
06/26/1979US4159531 Programmable read-only memory system for indicating service maintenance points for motor vehicles
06/26/1979CA1057402A1 Strobing scheme and keyboard sensing circuit for a one chip calculator
06/19/1979US4158860 Method for driving an X-Y matrix type liquid crystal display panel
06/19/1979US4158794 Drive means and method for vacuum fluorescent display systems
06/19/1979US4158786 Display device driving voltage providing circuit
06/05/1979CA1056049A1 Display systems
05/1979
05/30/1979EP0002094A2 Electrophoretic display with X-Y addressing
05/29/1979US4156872 Display element write sensor
05/22/1979US4156239 Display device
05/22/1979US4156164 Display device using hot cathode gas discharge
05/22/1979CA1055147A1 Picture transmission systems
05/15/1979US4155030 Multicolor display device using electroluminescent phosphor screen with internal memory and high resolution
05/15/1979US4154512 Electrochromic indicator
05/15/1979CA1054738A1 Electrochromic display device
05/15/1979CA1054737A1 Multi-channel data color display apparatus
05/08/1979CA1054273A1 Interactive stylus sensor apparatus for gas panel display
05/08/1979CA1054272A1 Raster display apparatus
05/01/1979US4152626 Compensation for half selection in a drive system for a thin-film EL display
05/01/1979CA1053820A1 Color display device
05/01/1979CA1053814A1 Alphanumeric gas display panel with modular control
05/01/1979CA1053737A1 Display panel with matrix of cathode pairs
04/1979
04/17/1979US4150365 Driver circuit for electrochromic display device
04/17/1979US4150362 Regeneration of a memory state in electrochromic displays
04/17/1979US4150361 Drive control for drive circuit of liquid crystal display
04/17/1979US4149885 Method of making electroluminescent display panel with enlarged active display areas
04/10/1979US4149155 Apparatus for displaying plant data
04/10/1979US4149151 Display data synthesizer circuit
04/10/1979US4149147 Luminescent character display device
04/10/1979US4149146 Driver circuit for electrochromic display device
04/10/1979US4149112 System for controlling a self-shift type gas discharge display device
04/10/1979US4149111 Method and apparatus for modulating the perceptible intensity of a light emitting display
04/10/1979CA1052485A1 Signaling system
04/04/1979EP0001362A1 Control method for an electrolytic display cell and circuit therefor
04/03/1979US4148015 Driver circuit
04/03/1979US4148007 Serial-indication fault display system for vehicles
04/03/1979US4147960 Plasma display panel including shift channels and method of operating same
04/03/1979US4147959 Display section for multilayer gas-discharge display panel
03/1979
03/27/1979US4146876 Matrix addressed electrochromic display
03/27/1979CA1051535A1 Pulsed alarm system
03/13/1979CA1050672A1 Method of operating an electrochromic display device
03/13/1979CA1050644A1 Integrated semiconductor light-emitting display array
03/13/1979CA1050643A1 Integrated semiconductor light-emitting display array