Optical focusing system
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United States of America Patent
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Apr 26, 2016
Grant Date -
Nov 26, 2015
app pub date -
Sep 24, 2014
filing date -
May 21, 2014
priority date (Note) -
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Abstract
An optical focusing system, including: a lens group, a first reflective optical element, a second reflective optical element, and an optical sensing imaging surface. The first reflective optical element is disposed on an object end and the second reflective optical element is disposed at an image end, for reflecting light rays. The optical sensing imaging surface is disposed at the emergent surface of the second reflective optical element.
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