Borehole inspection device
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United States of America Patent
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Jun 25, 2019
Grant Date -
Feb 16, 2017
app pub date -
Aug 10, 2016
filing date -
Aug 12, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Borehole inspection device for inspecting a borehole in a workpiece has a measuring head which includes an endoscope and is insertable into the borehole to be inspected and movable relative to the borehole in different axial positions. Borehole inspection device has an imaging optics with a panoramic view for imaging the inner surface of the borehole, and the imaging optics is in image transmission connection with a digital image recorder. Device has a memory for storing the images recorded in different axial positions of the measuring head, and an evaluation apparatus for evaluating the images stored in the memory. In order to obtain surface depth information about the inner surface of the borehole, the evaluation apparatus is configured for evaluating images recorded at different viewing angles of the imaging optics with regard to the particular surface location, using a 3D reconstruction method.
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