US PATENT SUBCLASS 345 / 166
.~.~.~ Optical detector

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

156  DF  DISPLAY PERIPHERAL INTERFACE INPUT DEVICE {8}
157  DF  .~ Cursor mark position control device {7}
163  DF  .~.~ Mouse {2}
166.~.~.~ Optical detector

DEFINITION

Classification: 345/166

Optical detector:

(under subclass 163) Subject matter wherein the mouse includes photosensors for detecting movement of the mouse.