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Optical coordinate measuring device

  • US 9,778,023 B2
  • Filed: 03/18/2015
  • Issued: 10/03/2017
  • Est. Priority Date: 04/18/2014
  • Status: Active Grant
First Claim
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1. An optical coordinate measuring device comprising:

  • a probe configured to designate a measurement position, and having a plurality of markers;

    an imaging unit configured to capture an image of the plurality of markers;

    a fixing member designed to fix the imaging unit in a predetermined constant attitude such that the imaging unit captures an image of a predetermined imaging region, wherein the imaging unit is detachable with respect to the fixing member; and

    a calculation unit configured to calculate a coordinate point of a measurement position designated by the probe in the predetermined imaging region based on the plurality of markers in the image captured by the imaging unit fixed in the predetermined constant attitude by the fixing member, and configured to determine geometric characteristics based on the coordinate point of the measurement position designated by the probe and a geometric shape including at least one of a plane, a cylinder and a sphere.

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