Measuring and testing – Vibration – By mechanical waves
Patent
1984-05-14
1986-01-07
Kreitman, Stephen A.
Measuring and testing
Vibration
By mechanical waves
G01N 2900
Patent
active
045627398
ABSTRACT:
A monitoring system utilizing an ultrasonic transducer wherein the power level of the transducer operating signals is raised while maintaining the gain about unity for permitting the use of relatively longer signal paths between a signal generator and the transducer.
REFERENCES:
patent: 3715710 (1973-02-01), Bernstein et al.
patent: 3806862 (1974-04-01), Chao
patent: 3982425 (1976-09-01), McLain
patent: 3989963 (1976-11-01), Giaccardi
patent: 4320474 (1982-03-01), Huckabay et al.
patent: 4326273 (1982-04-01), Vancha
Lehman F. Allen
Ray Malcolm G.
Sleffel William M.
Addison William G.
Kerr-McGee Corporation
Kreitman Stephen A.
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