Piezoelectric transducer for transmitting or receiving ultrasoni

Details Piezoelectric transducer for transmitting or receiving ultrasoni Piezoelectric transducer for transmitting or receiving ultrasoni

1986-02-04

1988-07-05

Kyle, Deborah L.

Communications, electrical: acoustic wave systems and devices

Signal transducers

367180, 367188, 310322, 310324, 381205, H04R 102, H04R 1700

Patent

active

047559756

ABSTRACT:
A piezoelectric transducer in which a casing is mounted in a sealing manner on a base member for supporting two rod-shaped terminals, a piezoelectric element is bonded to the inner surface of said casing, and electrodes on the front and back surfaces of said piezoelectric element are electrically connected to said terminals. The transducer is supported at the position of a node of the free oscillation mode or the forced oscillation mode. The interior of the casing in the transducer is filled with nitrogen gas.

REFERENCES:
patent: 3943388 (1976-03-01), Massa
patent: 4063049 (1977-12-01), Pipitone et al.
patent: 4122365 (1978-10-01), Stephens
patent: 4190783 (1980-02-01), Massa
patent: 4356423 (1982-10-01), Gudzin

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