Device and method for measuring surfaces
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United States of America Patent
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Aug 16, 2016
Grant Date -
Mar 19, 2015
app pub date -
Mar 14, 2012
filing date -
Apr 14, 2011
priority date (Note) -
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Abstract
According to the invention, a method for detecting and measuring local shape deviations in flat, curved, or domed surfaces of a test object, wherein three-dimensional measurement data (D) of the surfaces are evaluated by means of an evaluating apparatus, is designed and further developed, with regard to nondestructive testing of test objects with objective and easy-to-interpret assessment results, in such a way that the evaluating apparatus uses at least one virtual filter element as a concave filter for detecting concave sub-areas in flat or convex surfaces and/or as a convex filter for detecting convex sub-areas in flat or concave surfaces, that the filter element determines magnitudes of the shape deviations, and that said magnitudes are output by means of an outputting apparatus as measured values. The invention specifies a device for performing a corresponding method.
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