Latching piezoelectric relay

Details Latching piezoelectric relay Latching piezoelectric relay

1988-05-10

1990-04-10

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310358, 310359, H01L 4108

Patent

active

049163493

ABSTRACT:
An improved piezoelectric relay based on a bimorph actuator is described. The relay maintains its state in the absence of power thereto. The relay operates by changing the residual polarization of the piezoelectric strips used in the bimorph actuator.

REFERENCES:
patent: 2928032 (1960-03-01), Daniel et al.
patent: 3868553 (1975-02-01), Adler
patent: 4533849 (1985-08-01), Schnell
patent: 4553061 (1985-11-01), Germano
patent: 4625137 (1986-11-01), Tomono
patent: 4654553 (1987-03-01), Sato et al.
patent: 4670682 (1987-06-01), Harnden, Jr. et al.
patent: 4684337 (1987-08-01), Bauer

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