Mounting for flexible diaphragm piezoelectric transducer

Details Mounting for flexible diaphragm piezoelectric transducer Mounting for flexible diaphragm piezoelectric transducer

1975-02-12

1976-12-14

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

310 91, 310 95, H01L 4104

Patent

active

039978044

ABSTRACT:
A piezoelectric electro-acoustic transducer which includes a support means, a piezoelectric diaphragm supported at its edge portions by the support means comprising at least a pair of fixing members arranged to oppose each other, and a resilient backing member brought into a contact with the diaphragm to impart to the diaphragm a suitable tension and/or resiliency. The resilient backing member has an area smaller than the substantial vibration area of the diaphragm so that portions of the diaphragm are left free from contact with the resilient backing member, whereby, it has become possible to improve the frequency characteristics and consequently obtain improved sound characteristics.

REFERENCES:
patent: 3654402 (1972-04-01), Roos
patent: 3798473 (1974-03-01), Murayama et al.
patent: 3832580 (1974-08-01), Yamamuro

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