Mark detecting device, adjustment method, and printing apparatus
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United States of America Patent
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Dec 16, 2014
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N/A
app pub date -
Feb 25, 2011
filing date -
Mar 6, 2010
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Abstract
A mark detecting device detects a positioning mark on a transfer medium based on light that is emitted to and then reflected from the transfer medium. The mark detecting device includes a light emitting unit that emits light to a target position on the transfer medium; a light receiving unit that receives light reflected from the target position; and an adjusting unit that rotatably supports a detecting unit including at least one of the light emitting unit and the light receiving unit about a center of rotation, which passes through the target position, on the transfer medium and adjusts the rotation angle of the detecting unit with respect to the center of rotation.
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