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REFLECTION TYPE OPTICAL SENSOR AND METHOD FOR DETECTING SURFACE ROUGHNESS

  • US 20070164240A1
  • Filed: 01/15/2007
  • Published: 07/19/2007
  • Est. Priority Date: 01/13/2006
  • Status: Active Grant
First Claim
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1. A reflection type optical sensor, comprising:

  • a housing, a light emitting and receiving unit located adjacent the housing and including, a light emitting unit having an optical axis in a light emission direction, and a light receiving unit having an optical axis in a light reception direction and configured to sense light received from the light emitting unit, the light emitting unit and the light receiving unit being configured such that the optical axis of the light emitting unit in the light emission direction intersects at an intersection location and at a predetermined angle with the optical axis of the light receiving unit in the light reception direction, wherein the light emitting and receiving unit is configured to be movable with respect to the housing.

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