Light collecting member, and optical module and image reading device having the light collecting member
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United States of America Patent
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Dec 16, 2014
Issued Date -
N/A
app pub date -
Aug 5, 2013
filing date -
Aug 3, 2012
priority date (Note) -
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Abstract
A light collecting member includes a lens to make incident light be collected on a light receiving member, a lens barrel to house the lens, an end portion into which a light enters of the lens barrel being arranged near the light receiving member and a fence member to cover the end portion into which a light enters of the lens barrel and the light receiving member, the fence member having an exhaust port formed in a manner extending in a vertical direction.
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