Piezoelectric acoustic transducer

Details Piezoelectric acoustic transducer Piezoelectric acoustic transducer

1997-03-11

1999-03-30

Le, Huyen

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electrostrictive, magnetostrictive, or piezoelectric

381191, 310324, H04R 2500

Patent

active

058898735

ABSTRACT:
A piezoelectric acoustic transducer that can be reliably and easily connected with an external conductor without detracting from the vibration characteristics of the piezoelectric acoustic transducing element is provided. A first case member is provided with an acoustic hole continuous with an internal space. A piezoelectric acoustic transducing element is constituted by mounting a piezoelectric element on one surface of a diaphragm and is housed inside the case partitioning the internal space into two portions. Ends of terminal members are connected to the piezoelectric element inside the case, their middle portions are held between the first case member and the second case member and the portions that are beyond the middle portions are led out to the outside of the case to constitute spring pieces, which are folded upward and back over the one surface of the second case member.

REFERENCES:
patent: 4295009 (1981-10-01), Weidler

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