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Class Information
Number: 345/691
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Display driving control circuitry > Intensity or color driving control (e.g., gray scale) > Temporal processing (e.g., pulse width variation over time
Description: Subject matter wherein the brightness, light intensity, or color level is controlled by using different time periods in conveying the image data.










Sub-classes under this class:

Class Number Class Name Patents
345/692 Binary weighted 167
345/693 Non-binary weighted 67


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
6151006 Active matrix type display device and a method for driving the same Nov. 21, 2000
6147671 Temporally dissolved dithering Nov. 14, 2000
6144364 Display driving method and apparatus Nov. 7, 2000
6133903 Method for driving AC-type plasma display panel (PDP) Oct. 17, 2000
6108271 Remote control device for controlling electronic devices Aug. 22, 2000
6108122 Light modulating devices Aug. 22, 2000
6104362 Panel display in which the number of sustaining discharge pulses is adjusted according to the quantity of display data, and a driving method for the panel display Aug. 15, 2000
6091387 Liquid crystal display device and driving method of the same Jul. 18, 2000
6084561 Liquid crystal controller and liquid crystal display unit Jul. 4, 2000
6072452 System and method for using forced states to improve gray scale performance of a display Jun. 6, 2000
6067060 Method for the control of an image display screen displaying half-tones and display device implementing the method May. 23, 2000
6064357 Driving method and apparatus for light emitting device May. 16, 2000
6064366 Spatial light modulators May. 16, 2000
6061049 Non-binary pulse-width modulation for improved brightness May. 9, 2000
6054971 Display apparatus Apr. 25, 2000
6040812 Active matrix display with integrated drive circuitry Mar. 21, 2000
6037920 Liquid crystal apparatus and driving method therefor Mar. 14, 2000
6034666 System and method for displaying a color picture Mar. 7, 2000
6034662 Method for transmitting remote controller pointing data and method for processing received data Mar. 7, 2000
6034656 Plasma display panel and method of controlling brightness of the same Mar. 7, 2000
6025819 Method for providing a gray scale in a field emission display Feb. 15, 2000
6016133 Passive matrix addressed LCD pulse modulated drive method with pixel area and/or time integration method to produce coray scale Jan. 18, 2000
5986636 Method and apparatus of modifying display aspect and position on a monitor Nov. 16, 1999
5929923 Apparatus for producing a video signal in synchronism with an external synchronizing signal Jul. 27, 1999
5914700 Image recording/reproducing apparatus displaying object images and reproduced images Jun. 22, 1999
5903323 Full color sequential image projection system incorporating time modulated illumination May. 11, 1999
5900886 Display controller capable of accessing an external memory for gray scale modulation data May. 4, 1999
5861869 Gray level addressing for LCDs Jan. 19, 1999
5838294 Very low duty cycle pulse width modulator Nov. 17, 1998
5818419 Display device and method for driving the same Oct. 6, 1998
5764202 Suppressing image breakup in helmut mounted displays which use temporally separated bit planes to achieve grey scale Jun. 9, 1998
5757347 Process for producing shaded colored images using dithering techniques May. 26, 1998
5757343 Apparatus allowing continuous adjustment of luminance of a plasma display panel May. 26, 1998
5751265 Apparatus and method for producing shaded images on display screens May. 12, 1998
5748163 Dithering process for producing shaded images on display screens May. 5, 1998
5734381 Cancel undo method and system for tree structure data edition based on hierarchical menu inquiry Mar. 31, 1998
5696524 Gradative driving apparatus of liquid crystal display panel Dec. 9, 1997
5673060 Deformable mirror device driving circuit and method Sep. 30, 1997
5619224 Liquid crystal display panel driving device Apr. 8, 1997
5617112 Display control device for controlling brightness of a display installed in a vehicular cabin Apr. 1, 1997
5587721 Liquid crystal driving apparatus Dec. 24, 1996
5583531 Method of driving a display apparatus Dec. 10, 1996
5504462 Apparatus for enhancing pixel addressability in a pulse width and position modulated system Apr. 2, 1996
5495287 Multiple-tone display system Feb. 27, 1996
5412396 Driver circuit for shutters of a flat panel display May. 2, 1995
5400053 Method and apparatus for improved color to monochrome conversion Mar. 21, 1995
5389948 Dithering circuit and method Feb. 14, 1995
5313224 Apparatus for shade gradation enhancement and flicker reduction in multishade displays May. 17, 1994
5302966 Active matrix electroluminescent display and method of operation Apr. 12, 1994
5293159 Method and apparatus for producing perception of high quality grayscale shading on digitally commanded displays Mar. 8, 1994

1 2 3 4 5 6 7 8 9 10










 
 
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