Optical tablet construction
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 26, 1990
Grant Date -
N/A
app pub date -
Jun 22, 1989
filing date -
Jun 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical digitizer or tablet employing a linear image sensor behind a microlouver strip and extending along a coordinate axis of a coordinate axes plane. In one embodiment, a non-directional light source floods the plane, and a cursor is provided with a reflector that reflects incident light. In another embodiment, the light source is on the reflector, and the sensor-microlouver combination is located along each tablet edge.
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