US PATENT SUBCLASS 345 / 207
.~ Light detection means (e.g., with photodetector)

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

204  DF  DISPLAY DRIVING CONTROL CIRCUITRY {5}
207.~ Light detection means (e.g., with photodetector)

DEFINITION

Classification: 345/207

Light detection means (e.g., with photodetector):

(under subclass 204) Subject matter wherein the control devices include an element which senses light for driving the display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

166, for optical detector for detecting movement of a mouse.

SEE OR SEARCH CLASS

250, Radiant Energy,

200+, for light detection using photocell circuitry and subclass 553 for light source array or matrix.