Piezoelectric relay using Euler lever

Details Piezoelectric relay using Euler lever Piezoelectric relay using Euler lever

1983-07-15

1984-06-12

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310346, 200181, H01L 4108

Patent

active

044544421

ABSTRACT:
A resilient, flexible elongate member forming a movable electrical contact is squeezed endwise by energizing a piezoelectric body supporting one end of the member. The mechanical advantage provided by this Euler lever construction permits the minute dimensional change in the piezoelectric body to open or close the relay by causing the member to bow outwardly so that its intermediate portion physically makes or breaks electrical connection with a fixed electrical contact. The relay provides improved signal integrity and isolation at lower power dissipation levels than solid state switching alternatives. Form A, B, C, and D and other contact variations are possible. A temperature compensated miniature package containing a plurality of such relays may also be constructed.

REFERENCES:
patent: 2587482 (1952-02-01), Keller
patent: 2916578 (1959-12-01), Crownover
patent: 3688135 (1972-08-01), Koda et al.
patent: 4193703 (1980-03-01), Sakmann

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