Communications: electrical – Selective – Interrogation response
Patent
1975-11-04
1978-01-10
Tudor, Harold
Communications: electrical
Selective
Interrogation response
340 8LF, 340 8MM, H04B 1300
Patent
active
040682099
ABSTRACT:
An improved-performance transducer for deep submersion operation.
An axially operating sandwich type transducer has its active part arranged in a housing designed and embodied to form a filter for decoupling the active face. Such a transducer is usable in systems for underwater acoustics.
REFERENCES:
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patent: 3231341 (1966-06-01), Sump et al.
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patent: 3480906 (1969-11-01), Thompson
patent: 3525071 (1970-08-01), Massa, Jr.
patent: 3539980 (1970-11-01), Massa, Jr.
patent: 3550071 (1970-12-01), Schlemm et al.
patent: 3716828 (1973-02-01), Massa
Self Lubricating Plastics by G. Ronald Bower, Metal Progress, vol. 88, No. 3, Sept. 65.
"Thomson-CSF"
Tudor Harold
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