Interactive Projection Method, Apparatus and System
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United States of America Patent
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Issued Date -
Jul 7, 2011
app pub date -
Jan 4, 2010
filing date -
Jan 4, 2010
priority date (Note) -
Abandoned
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Abstract
An apparatus determines a cursor position in an illumination field of a projector. An obstruction is detected in the illumination field. The cursor position is determined as the point on the obstruction furthest from where the obstruction crosses a border of the illumination field.
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