Method of making an eye tracking system having an active matrix display
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United States of America Patent
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-
Dec 10, 1996
Issued Date -
N/A
app pub date -
Feb 27, 1995
filing date -
Dec 31, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An eye tracking system is disclosed which is comprised of an eye tracking module formed of a display joined to a photodetector array. Each pixel in the display is aligned with a corresponding photodetector. An image generated by the display is projected onto a viewing screen or toward a viewer. Axial light rays from the display pixels are reflected by the eye and detected by a respective photodetector which generates an electrical signal indicative of eye position.
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