Piezoelectric ceramic switching devices and systems and method o

Details Piezoelectric ceramic switching devices and systems and method o Piezoelectric ceramic switching devices and systems and method o

Filed on

1984-12-21

Date issued

1987-06-02

Examiner

Budd, Mark O.

Patent Class

Electrical generator or motor structure

SubClass

Non-dynamoelectric

SubSubClass

Piezoelectric elements and devices

Other Related Categories

200181, 310317, 310319, 310358, 310366, H01L 4108

Type

Patent

Status

active

Patent number

046706828

Description

ABSTRACT:
Improved piezoelectric ceramic switching devices are described along with their method of fabrication. In addition to the devices themselves, novel electric circuits are described for the energization as well as the use of such devices as switching elements in electrical systems. Parts of both the energization circuits and/or utilization circuits employing the piezo ceramic switching device are physically mounted on and supported by non-polarized parts of the piezoelectric ceramic plate elements comprising the switching devices so that lightweight compact construction is achieved along with substantial reduction of stray inductance intercoupling.

REFERENCES:
patent: 2166763 (1939-07-01), Mason
patent: 2471967 (1949-05-01), Mason
patent: 2479926 (1949-08-01), Gravley
patent: 2633543 (1953-03-01), Howatt
patent: 2714642 (1955-08-01), Kinsley
patent: 3500451 (1970-03-01), Yando
patent: 3622815 (1971-11-01), Schafft
patent: 4093883 (1978-06-01), Yamamoto
patent: 4392074 (1983-07-01), Kleinschmidt et al.
patent: 4443729 (1984-04-01), Rider
patent: 4538087 (1985-08-01), Germano et al.
patent: 4553061 (1985-11-01), Germano
A Piezoelectric Ceramic Touch--Operated Button, by P. Kleinschmidt, Electronic Engineering, vol. 9, No. 7, Aug. 1975, pp. 9 & 11.

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