US PATENT SUBCLASS 345 / 178
.~.~ With alignment or calibration capability (i.e., parallax problem)

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}
173  DF  .~ Touch panel {5}
178.~.~ With alignment or calibration capability (i.e., parallax problem)

DEFINITION

Classification: 345/178

Alignment or calibration capability (i.e., parallax problem):

(under subclass 173) Subject matter wherein the input device compensates for any misalignment of a touch location and its corresponding energized display element*.