Ultra-Wide-Angle Touch Detection for Interactive Projection
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United States of America Patent
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Issued Date -
Jun 30, 2016
app pub date -
Dec 31, 2014
filing date -
Dec 31, 2014
priority date (Note) -
Abandoned
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Abstract
Interactive projection apparatus, with apparatus for projecting an image toward a screen and apparatus for capturing a reflection from an object touching a point adjacent the screen. The capturing apparatus includes: (1) a curved mirror for receiving light representing the reflection; (2) at least one lens to which the curved mirror reflects light representing the reflection; and (3) a camera for receiving light representing the reflection from the at least one lens.
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