Generating signals representative of sensed light that is associated with writing being done by a user
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United States of America Patent
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Jul 13, 2010
Grant Date -
Nov 15, 2007
app pub date -
May 4, 2006
filing date -
May 4, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An array of sensitive pixel elements is configured to generate signals representative of sensed light that is associated with writing being done by a user, and an optical system concentrates light from a light source across a section of the array of sensitive pixel elements, the signals being useful to compute a subpixel measurement of a position of the light source.
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