Patents
Patents for G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (121,486)
03/1979
03/13/1979CA1050642A1 Liquid crystal display system
03/06/1979US4143360 Method and apparatus for controlling a display terminal
03/06/1979US4142361 Electro-optical display timepiece
02/1979
02/27/1979US4142182 Procedure for addressing of visual display devices
02/27/1979US4142181 Scanning system and method using coincidence of variable frequency pulses
02/27/1979CA1049669A1 Video display system
02/20/1979US4141001 Monitor display control method and apparatus for data input unit
02/20/1979US4140945 Sustainer wave form having enhancement pulse for increased brightness in a gas discharge device
02/20/1979US4140944 Method and apparatus for open drain addressing of a gas discharge display/memory panel
02/20/1979CA1049168A1 Method and apparatus for detecting coordinates of read out positions on a gas discharge panel
02/20/1979CA1049123A1 Optical sensitization and development of liquid crystalline devices
02/20/1979CA1049098A1 Latch strobe generator circuit
02/13/1979US4139820 A.C. and D.C. voltage polarity indicator utilizing electrochromic cells
02/13/1979US4139803 Method and apparatus for detecting the location of a light detecting pen on a gas discharge display panel
02/13/1979US4139149 Display system
02/13/1979CA1048668A1 Automatic display segment intensity control
02/13/1979CA1048667A2 Graphic symbol generator
02/07/1979EP0000616A1 Matrix addressable electrochromic display device
02/06/1979CA1048183A1 Four-level voltage supply for liquid crystal display
02/06/1979CA1048182A1 Laser driven plasma display
02/06/1979CA1048181A1 Graphic display device with pattern shifting means
02/06/1979CA1048180A1 Device for driving or energizing a display device
01/1979
01/30/1979US4137564 Intelligent computer display terminal having EAROM memory
01/30/1979US4137523 Digital display driving circuit
01/24/1979EP0000422A1 Cathode ray tube using a screen comprising an electro-optical substance
01/23/1979US4135959 Method of manufacture of flat panel display device
01/23/1979US4135662 Operator prompting system
01/16/1979US4135117 Vacuum fluorescent device with continuous strokes
01/16/1979CA1046629A1 Signal storing and read-out arrangement of video display system with a crossed-grid flat display panel
01/09/1979US4134132 Circuit arrangement for display boards having luminous elements arranged in a matrix
01/09/1979US4134105 Alphanumeric display device with keyboard for use with photographic system
01/09/1979US4134104 Device for displaying data in three dimensions
01/02/1979US4132924 System for driving a gas discharge panel
01/02/1979US4132465 Electrochrome element control device
12/1978
12/26/1978US4131883 Character generator
12/19/1978US4130832 Three-dimensional display
12/19/1978US4130779 Slow rise time write pulse for gas discharge device
12/19/1978US4130778 DC PDP with divided cathode
12/19/1978US4130777 Scanning means and method for a plasma-sac-type gas-discharge image display panel
12/19/1978CA1044769A1 Latching driver circuit and structure for a gas panel display
12/12/1978US4129861 Multiplex addressing of electrochromic displays
12/05/1978US4128901 Ground-reference power supply for gas discharge display/memory panel driving and addressing circuitry
11/1978
11/28/1978US4127853 Electrochromic display adapted for multiplexing
11/28/1978US4127850 Scanning display apparatus
11/28/1978US4127848 Liquid crystal waveform displays
11/28/1978US4127798 Lamp circuit
11/14/1978US4125830 Alphanumeric display system
11/14/1978CA1042521A1 Self-regulating driving circuit for light emitting diodes
10/1978
10/31/1978US4123783 Magnetic bubble display systems
10/31/1978US4123751 Electronic display apparatus including a DC-responsive electro-luminescent phosphor screen
10/31/1978US4123687 Display system using low energy electrons
10/31/1978US4123671 Integrated driver circuit for display device
10/24/1978US4122494 Synchronization for oscillating optical beam deflecting device
10/24/1978US4122444 Apparatus for displaying numerical value information in alternative forms
10/17/1978US4121203 Method of multiplexing liquid crystal displays
10/17/1978CA1040768A1 Electroluminescent display panel with enlarged active display areas
10/17/1978CA1040767A1 Electroluminescent memory and display device
10/10/1978US4119957 Digital display for cooking time and power of electric cooking device
10/10/1978US4119857 System for programmed drawing by particle bombardment
10/10/1978CA1040294A1 Electrochromic display driver
09/1978
09/26/1978US4117497 Printing and displaying technology using selective laser beam pricking of liquid film for writing information
09/26/1978US4117475 Driver circuit for electrochromic display device
09/26/1978US4117472 Liquid crystal displays
09/26/1978US4117471 Light pen detection and tracking with ac plasma display panel
09/12/1978US4114071 Light modulator system
09/12/1978US4114070 Display panel with simplified thin film interconnect system
09/12/1978US4114069 Method and apparatus for driving a gas-discharge display panel
09/12/1978US4113361 Liquid crystal display device
09/12/1978US4113353 Information processing optical device
09/12/1978US4113352 Electro-optic matrix display
09/05/1978US4112440 Control circuit for exposure information indicator
09/05/1978US4112429 Multifunction sequence operated integrated switch-display device
09/05/1978US4112333 Display panel with integral memory capability for each display element and addressing system
09/05/1978US4112332 Matrix-addressed gas-discharge display device for multi-colored data display
09/05/1978US4112329 Gas discharge display device
08/1978
08/29/1978US4110663 Plasma display panel driving circuit including apparatus for producing high frequency pulses without the use of clock pulses
08/29/1978US4110662 Thin-film analog video scan and driver circuit for solid state displays
08/22/1978US4109316 Method and apparatus for inverting the polarity of an input image formed on a surface of an image recording device
08/22/1978US4109245 Programmable electronic sign
08/22/1978US4109242 Matrix address system using erase operation
08/22/1978US4109181 Driving system and method for shifting a discharge spot in a plasma display panel
08/22/1978US4109180 Ac-powered display system with voltage limitation
08/15/1978US4107786 Character size changing device
08/15/1978US4107741 Data generating and recording system for scanning a display tube screen
08/15/1978US4107578 Gas discharge panel drive system
08/15/1978US4106858 Liquid crystal display apparatus
08/01/1978US4104626 Arrangement utilizing the mechanism of charge spreading to provide an ac plasma panel with shifting capability
08/01/1978US4104625 Apparatus for providing facial image animation
08/01/1978US4104563 Writing and erasing in AC plasma displays
08/01/1978US4103482 Wristwatch having a liquid crystal display
07/1978
07/25/1978US4103290 Digital frequency display device
07/25/1978US4103208 Fluorescent tube display calculators
07/25/1978US4103113 Attendant console control system
07/18/1978US4101810 System for and method of operating gas discharge display and memory
07/18/1978US4101802 Flat display device with beam guide
07/11/1978US4100540 Method of driving liquid crystal matrix display device to obtain maximum contrast and reduce power consumption
07/11/1978US4100535 Method and apparatus for addressing and sustaining gas discharge panels
07/11/1978US4100461 Driving circuit for a gas discharge display panel
07/11/1978US4100460 One chip direct drive and keyboard sensing arrangement for light emitting diode and digitron displays
07/11/1978US4100455 Vacuum fluorescent display device with circular polarizer