Title:
Acoustic impedance element
United States Patent 2754925

Inventors:
Finley, Burke Thomas
Publication Date:
07/17/1956
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Assignee:
Finley, Burke Thomas
Primary Class:
Other Classes:
367/152, 181/400, 381/354
International Classes:
G10K11/02; G10K11/00
US Patent References:
2384465
2394461Means for and method of measuring the impedance and reflection coefficients of surfaces
2405210Submarine signal device
2405226Low frequency projector or hydrophone
2416314Electroacoustic transducer
2427348Piezoelectric vibrator
2430013Impedance matching means for mechanical waves