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Ultraviolet ray measuring apparatus and electronic wristwatch equipped with ultraviolet ray measuring function

  • US 20110222375A1
  • Filed: 02/28/2011
  • Published: 09/15/2011
  • Est. Priority Date: 03/15/2010
  • Status: Active Grant
First Claim
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1. An ultraviolet ray measuring apparatus, comprising:

  • an ultraviolet ray sensor that measures the ultraviolet intensity of ultraviolet rays irradiated to an ultraviolet ray receiving surface; and

    a control unit that performs control to measure the ultraviolet intensity in a case in which the ultraviolet ray receiving surface of the ultraviolet ray sensor faces in a predetermined direction.

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