OPTICAL TOUCH CONTROL MODULE
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United States of America Patent
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Issued Date -
Jun 27, 2013
app pub date -
Jan 19, 2012
filing date -
Dec 23, 2011
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Abandoned
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Abstract
An optical touch control module for providing at least one sensing area includes: a light-reflecting unit, a first light-sensing unit and a second light-sensing unit. The light-reflecting unit includes a light-reflecting element for partially surrounding the at least one sensing area. The first light-sensing unit is disposed beside one edge of the at least one sensing area and adjacent to one end of the light-reflecting element. The first light-sensing unit includes at least one first light-emitting element, at least one first light-detecting element, and at least one first oscillating reflecting element oscillating depending on time. The second light-sensing unit is disposed beside another edge of the at least one sensing area and adjacent to another end of the light-reflecting element. The second light-sensing unit includes at least one second light-emitting element, at least one second light-detecting element, and at least one lens element.
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