Patents
Patents for G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (121,486)
10/1991
10/15/1991US5056629 Display apparatus for elevator
10/15/1991CA1290869C Vacuum fluorescent display system, digital power supply therefor
10/15/1991CA1290800C Large screen display apparatus having a modular structure
10/09/1991EP0450640A2 Display apparatus
10/08/1991US5055833 Method for the control of an electro-optical matrix screen and control circuit
10/08/1991US5055744 Display device
10/08/1991US5055739 Memory-equipped monochrome display of the photoconductor-electroluminescent type
10/08/1991US5054887 Active matrix type liquid crystal display
10/02/1991EP0449508A2 Drive circuit for a liquid crystal display
10/02/1991EP0449284A2 Apparatus for and method of driving electrodes of flat display
10/02/1991EP0257056B1 Matrix addressable displays
10/01/1991US5053764 System for the display of images in half tones on a matrix screen
10/01/1991US5053763 Dual anode flat panel electrophoretic display apparatus
10/01/1991US5053679 Photoconductive-electroluminescent memory effect polychromatic display
10/01/1991US5053675 Electroluminescent display screen with a memory and a particular configuration of electrodes
09/1991
09/26/1991DE4009404A1 LCD line-column driver voltage supply - has potential divider with operational amplifiers connected to tappings
09/25/1991EP0448105A2 Method and apparatus for driving active matrix liquid crystal device
09/25/1991EP0448032A2 Method of driving ferroelectric liquid crystal element and ferroelectric liquid crystal display
09/25/1991EP0447919A2 Drive circuit for dot matrix display
09/25/1991EP0447564A1 Lcd display device
09/24/1991US5051834 Projection-type display apparatus utilizing both zero-order and first-order diffracted beams
09/24/1991US5051739 Driving circuit for an image display apparatus with improved yield and performance
09/24/1991US5050965 Color display using supertwisted nematic liquid crystal material
09/19/1991WO1991014257A1 Personal inspirational display device
09/18/1991EP0447274A1 Display method and device for dot matrix screen
09/18/1991EP0447077A2 Electro-optical device
09/18/1991CN1054695A Colour plate indicator
09/17/1991US5049865 Display apparatus
09/17/1991US5048934 Method of driving ferroelectric liquid crystal without timing conversion circuitry
09/17/1991CA1289264C Detector system for optical mouse
09/17/1991CA1289229C Liquid crystal display device
09/12/1991DE4107021A1 TV monitor in car passenger compartment - has filter with variable transparency in front of monitor screen for image visibility adjustment
09/10/1991US5047849 Image display apparatus with image turbulence suppression
09/10/1991US5047789 Method for driving and controlling liquid crystal and device therefor
09/10/1991US5047759 Image display system
09/10/1991US5047758 Method of driving a passive ferro-electric liquid crystal display device
09/10/1991US5047757 Method of addressing a ferroelectric liquid crystal display
09/10/1991US5046823 Ferroelectric liquid crystal electro-optic apparatus and manufacturing method thereof
09/04/1991EP0444962A2 Tone display method and apparatus therefor
09/04/1991EP0444705A2 Liquid crystal element and liquid crystal apparatus using the same
09/03/1991US5045846 Method of adjusting the colors of a polychrome plasma panel and a plasma panel using such a method
09/03/1991US5045841 Electronic thumbwheel switch
09/03/1991US5044732 Liquid-crystal display device
09/03/1991CA2037269A1 Tone display method and apparatus therefor
08/1991
08/28/1991EP0443581A2 Display control system
08/28/1991EP0443248A2 Liquid crystal display device
08/28/1991EP0443083A2 Display control apparatus capable of changing luminance depending on conditions of power supply circuit
08/27/1991US5043917 Control method and apparatus therefor
08/27/1991US5043719 Matrix circuit
08/21/1991EP0442560A1 Display device
08/21/1991EP0442216A2 Power supply for vacuum fluorescent displays
08/21/1991EP0442161A1 Device for projecting television pictures
08/21/1991EP0441861A1 Frame-sequential colour display system
08/20/1991US5041947 Display device
08/20/1991US5041823 Flicker-free liquid crystal display driver system
08/20/1991US5041822 Liquid crystal display unit
08/20/1991US5041821 Ferroelectric liquid crystal apparatus with temperature dependent DC offset voltage
08/20/1991US5040874 Liquid crystal display device having interlaced driving circuits for black line interleave of a video signal
08/14/1991EP0441692A1 Control process for a matrix screen comprising two independent parts and device to carry it out
08/14/1991EP0441661A2 A driving method and a driving device for a display device
08/14/1991EP0441591A2 A method for driving a liquid crystal panel
08/13/1991US5039210 Extended dynamic range one dimensional spatial light modulator
08/13/1991US5039209 Light-to-light conversion method and display unit using the same
08/13/1991US5039206 Liquid crystal displays
08/08/1991WO1991011861A1 Mos transistor threshold compensation circuit
08/08/1991WO1991011796A1 Interleaved display selection scanner
08/08/1991WO1991011747A1 Bistable electrochirally controlled liquid crystal optical device
08/08/1991DE4003443A1 Automatic gearchange for bicycle together with display - has stepping motors coupled to cable and operated by selector
08/08/1991DE4002796A1 Display for process plant system - has laser scanning inputs to fibre=optical elements coupled to display symbols
08/07/1991CN1053700A Dot-type character and figure displaying board
08/06/1991US5038139 Half tone display driving circuit for crystal matrix panel and half tone display method thereof
08/06/1991US5037223 Serial printing apparatus with controllable pitch
07/1991
07/31/1991WO1991011795A1 Liquid crystal display panel system and method of using same
07/31/1991EP0438927A2 Sample-and-hold circuit device
07/31/1991CN1053502A Data processing apparatus with display device
07/31/1991CA2071847A1 Liquid crystal display panel system and method of using same
07/30/1991US5036385 Autostereoscopic display with multiple sets of blinking illuminating lines and light valve
07/30/1991US5036317 Flat panel apparatus for addressing optical data storage locations
07/25/1991DE4001295A1 Selecting function of integrated circuit - involves auxiliary terminals, whose assembly sections are coupled to preset input and output terminals
07/25/1991CA2008587A1 Modular device for displaying travelling and non-travelling messages
07/24/1991EP0438262A2 Method of driving a liquid crystal panel
07/24/1991EP0438152A2 Data processing apparatus with display device
07/24/1991EP0438093A2 Apparatus and method for temperature compensation of liquid crystal displays
07/23/1991US5034736 Bistable display with permuted excitation
07/23/1991US5034735 Driving apparatus
07/23/1991US5034734 Small-sized equipment capable of automatically changing the visual angle of its liquid crystal display
07/23/1991US5033822 Liquid crystal apparatus with temperature compensation control circuit
07/17/1991EP0437238A2 Driving method of optically writeable liquid crystal light valve
07/17/1991EP0436777A2 Method and apparatus for analog testing of thin film transistor arrays
07/16/1991US5032924 System for producing an image from a sequence of pixels
07/16/1991US5032832 Method to control a matrix display screen and device for implementation of said method
07/16/1991US5032831 Display device and method of driving such a device
07/16/1991US5032830 Electro-optical display device with non-linear switching units with auxiliary voltages and capacitively coupled row electrodes
07/16/1991US5032829 Thin film el display device
07/16/1991US5032828 Apparatus for displaying images for vehicles
07/11/1991WO1991010225A1 Scanned liquid crystal display with select scanner redundancy
07/11/1991WO1991010224A1 Display devices
07/11/1991WO1991010223A1 Field-sequential display system utilizing a backlit lcd pixel array and method for forming an image
07/10/1991EP0436416A1 Polychromatic display panel
07/10/1991EP0436384A2 A driving circuit for a liquid crystal display apparatus