Piezoelectric transducer having directly mounted electrical comp

Details Piezoelectric transducer having directly mounted electrical comp Piezoelectric transducer having directly mounted electrical comp

1997-04-04

1999-02-16

Hofsass, Jeffery A.

Communications: electrical

Audible indication

Piezoelectric

34038473, 3403881, 381190, 310322, 310324, G08B 300

Patent

active

058725067

ABSTRACT:
The invention is an improved noise-making device using a piezoelectric transducer where electrical circuit components are mounted directly on the transducer itself rather than being mounted on a separate printed circuit board. Directly mounting the components eliminates the need for a separate circuit board and eliminates a third terminal from a three-terminal device. As a result, the entire device requires less material and labor, and is therefore less expensive. The elimination of the circuit board also can contribute to a reduction in size of the noise-making device.

REFERENCES:
patent: 3815129 (1974-06-01), Sweany
patent: 4139842 (1979-02-01), Fujita et al.
patent: 4325060 (1982-04-01), Purtell et al.
patent: 4374377 (1983-02-01), Saito et al.
patent: 4486742 (1984-12-01), Kudo et al.
patent: 5398024 (1995-03-01), Knowles

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