Face lighting for edge location in catalytic converter inspection
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United States of America Patent
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Oct 16, 2007
Grant Date -
N/A
app pub date -
Sep 30, 2004
filing date -
Sep 30, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and system for inspecting an object having a planar face with surface variations such as catalytic converters. Light sources are placed above the planar face of the object for lighting the face of the object. At least one obscuration is positioned proximate the planar face of the object to limit the lighting of the planar face of the object to thereby provide a low depth field of lighting. The planar face of the object is imaged to provide an image representation of the planar face of the object. The image representation of the planar face of the object is evaluated to characterize edge chip damage.
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