OPTICAL IMAGING SYSTEM CAPABLE OF PREVENTING OVEREXPOSURE
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United States of America Patent
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Issued Date -
Dec 3, 2015
app pub date -
Aug 12, 2014
filing date -
May 29, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An optical imaging system capable of preventing overexposure includes a display panel, at least one light source, at least one reflective unit, at least one image capturing module and a control module. The at least one image capturing module is disposed on an outer side of the display panel and is spaced from the at least one reflective unit in a predetermined distance. The at least one reflective unit reflects light reflected from a touch object to the at least one image capturing module, and the at least one image capturing module captures the light reflected from the touch object to generate a corresponding touch signal. The control module is coupled to the at least one image capturing module and for calculating a coordinate value of the touch object on a coordinate detecting area of the display panel according to the touch signal.
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