Position measurement apparatus
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United States of America Patent
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May 29, 2018
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N/A
app pub date -
Aug 25, 2015
filing date -
Sep 2, 2014
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Abstract
A position measurement apparatus includes a measurement head, a controller and a light transmission section. The measurement head includes a light projecting lens and a light receiving lens. The controller includes a light emitting section, a light emission circuit controlling the light emitting section, a light receiving section, and a pixel data processing circuit detecting a position of light received in the light receiving section, and outputting positional information to a calculation section calculating a position of an object to be measured. The light transmission section includes an optical fiber transmitting light from the light emitting section to the light projecting lens, and an image fiber with incidence and emission end faces, in which end faces of plural cores are two-dimensionally arrayed in the incidence end face and the emission end face, the image fiber transmitting light converged by the light receiving lens to the light receiving section.
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