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Measuring head of an endoscopic device and process for inspecting and measuring an object

  • US 10,165,935 B2
  • Filed: 01/27/2016
  • Issued: 01/01/2019
  • Est. Priority Date: 01/29/2015
  • Status: Active Grant
First Claim
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1. A measuring head of an endoscopic device comprising:

  • an optical projection unit including a light source for illuminating an object to be examined with light, andan optical measurement unit including a light sensor for recording the light reflected or diffused from the object to be examined,wherein the optical measurement unit has an aperture diaphragm including a variable aperture;

    an aperture setting unit selectively changing the variable aperture between;

    a first size of the variable aperture providing a lower resolution for inspecting the object;

    a second size of the variable aperture larger than the first size providing a higher resolution for measuring the object;

    the optical projection unit including a pattern forming element for projecting a pattern onto the object;

    the pattern being imagable when the variable aperture changed to the second size providing the higher resolution for measuring the object and non-imagable when the variable aperture changed to the first size providing the lower resolution for inspecting the object.

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