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MEASURING INSTRUMENT

  • US 20160235369A1
  • Filed: 09/27/2013
  • Published: 08/18/2016
  • Est. Priority Date: 09/27/2013
  • Status: Abandoned Application
First Claim
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1. A measuring instrument comprising:

  • a light emitting device configured to irradiate light;

    a first light receiving device and a second light receiving device configured to receive return light of the irradiated light, which returns from an object to be measured; and

    a calculating device configured to calculate information regarding the object to be measured, on the basis of a differential signal which is subtracted a difference signal which is calculated from the light received by the first light receiving device and the light received by the second light receiving device from a sum signal which is calculated from the light received by the first light receiving device and the light received by the second light receiving device.

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