Measuring and testing – Vibration – Resonance – frequency – or amplitude study
Patent
1997-09-30
2000-02-22
Williams, Hezron
Measuring and testing
Vibration
Resonance, frequency, or amplitude study
702 56, 702 82, G01N 2912
Patent
active
060266864
ABSTRACT:
An article inspection apparatus is capable of inspecting an article which cannot be sorted out by image processing or a diagnostic process that employs energy to be transmitted through the article. A hitting sound is generated by a hitting sound generating device when an article is hit, and is detected by a sound detecting device and analyzed by a detected-sound analyzer. The analyzed result is converted into a pattern by a detected-sound pattern generator, and the pattern is matched with registered reference patterns from a reference pattern registering device by a pattern matching device. Based on the result of matching, the article is sorted out by an article sorting device. It is possible to detect the material of a container, such as cans of aluminum and iron which are identical in shape and size to each other. It is also possible to check the amount of a substance in a container that cannot directly be seen, or inspect baked articles for pores contained therein.
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Hattori Ichiro
Kawai Isamu
Suzuki Akira
Fujitsu Limited
Miller Rose M.
Williams Hezron
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