Piezoelectric audio transducer

Details Piezoelectric audio transducer Piezoelectric audio transducer

1980-12-10

1983-02-15

Caldwell, Sr., John W.

Communications: electrical

Audible indication

Ultrasonic pest control

310324, 310345, 310348, G08B 300, H01L 4110

Patent

active

043743773

ABSTRACT:
A piezoelectric audio transducer adapted to produce a sound output when a vibrator which is formed by bonding a piezoelectric element to a metallic diaphragm is electrified, wherein the audio transducer is formed by securely supporting the outer periphery of the vibrator on an acoustic casing, and a fixing part to be fixed to a mounting body is provided on the audio transducer and is connected to the casing with an elastic body interposed therebetween so as to thereby enable the casing which is fixed to the mounting body to vibrate integrally with the vibrator when said vibrator is vibrated.

REFERENCES:
patent: 3733804 (1973-05-01), Diersbock
patent: 4047060 (1977-09-01), Schafft
patent: 4219756 (1980-08-01), Nishida et al.
patent: 4278851 (1981-07-01), Takaya

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