Electroacoustic transducer for deep submersion

Communications: electrical – Selective – Interrogation response

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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.

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patent: 3716828 (1973-02-01), Massa
Self Lubricating Plastics by G. Ronald Bower, Metal Progress, vol. 88, No. 3, Sept. 65.

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