Electronic shearography apparatus for producing animation of shearogram images
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 13, 2002
Grant Date -
Sep 13, 2001
app pub date -
Apr 16, 2001
filing date -
Jun 16, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to an apparatus for performing electronic shearography on a test object, especially a tire or retread tire. The apparatus uses a laser light source to illuminate the test object. An optical element through which electromagnetic radiation is reflected from the test object is transmitted and forms a random interference image. The random interference image is electronically processed to provide a video animation of the effects of stress on the test object.
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