Measuring and testing – Vibration – By mechanical waves
Patent
1987-12-22
1990-01-23
Chapman, John
Measuring and testing
Vibration
By mechanical waves
73661, G01N 2900
Patent
active
048950254
ABSTRACT:
Wood and other article destroying insects, when feeding, induce vibrations in the article being destroyed which is monitored and amplified to an audible level. The vibratory sounds are then analyzed as by comparison with other records of known destructive insects to determine the probable species of insect and its location.
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R. C. Barton, "An Audio-Amplifying System for Termite Detection," Termite and Termite Control, 1934, pp. 711-714.
Roy J. Pence, "Electronic Detective Developed by UCLA Uncovers Termites," Pest Control, Nov. 1954, p. 27.
"Electronic Termite Dtection," Physionics Corporation, (publication date unknown).
Chapman John
Keys Jerry M.
Sound Technologies, Inc.
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