US PATENT SUBCLASS 345 / 77
.~.~.~ Brightness or intensity control

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

30  DF  PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) {4}
55  DF  .~ Display elements arranged in matrix (e.g., rows and columns) {10}
76  DF  .~.~ Electroluminescent {5}
77.~.~.~ Brightness or intensity control

DEFINITION

Classification: 345/77

Brightness or intensity control:

(under subclass 76) Subject matter in which the selective electrical control includes means for generating selected light output levels for each display element*.

(1) Note. Intensity control for color output is included herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

20, for data responsive CRT intensity control.

63, for matrix fluid light-emitting display intensity control.

147, for intensity control for a generic display device.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems, 383+, for CRT intensity control wherein no selective data control of display elements is provided.

340, Communications: Electrical,

815.4+, for intensity control with a visual indicator.