Optical angle sensor

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11199400
APP PUB NO 20200378757A1
SERIAL NO

16881578

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The optical angle sensor comprises a diffraction unit, a light source, a light receiving unit, and a plurality of reflection units. The diffraction unit includes a first diffraction part for generating combined light and a second diffraction part for diffracting a first light and a second light a plurality of times. The plurality of reflection units includes a first reflection unit, a second reflection unit, a third reflection unit that reflects the first light and the second light through the second diffraction part toward the second diffraction part, fourth reflection unit, and fifth reflection unit. The calculating unit, with the rotation of the diffraction unit, calculates the amount of change in the angle based on the change in the interference signal caused by the combined light generated on the light receiving surface.

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Patent Owner(s)

  • MITUTOYO CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kimura, Akihide Saitama, JP 26 37

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