Method and device for detecting flaw of work
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United States of America Patent
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N/A
Issued Date -
Aug 26, 2004
app pub date -
Jan 6, 2004
filing date -
Jul 10, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The end face of an optical fiber connector(C) is imaged by a CCD camera(38). A personal computer(42) extracts a flaw portion from the obtained image data, and calculates the average luminosity of the flaw portion and that in the vicinity of the flaw portion to calculate the difference in luminosity between them. If the calculated luminosity difference, representing the depth of the flaw portion, exceeds a predetermined reference luminosity difference, the flaw is judged to affect the performance of the optical fiber and the optical fiber connector is judged to be no good. Accordingly, a work is rejected or accepted according to the depth of a flaw.
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