Piezoelectrically actuated high-speed microwave switch

Details Piezoelectrically actuated high-speed microwave switch Piezoelectrically actuated high-speed microwave switch

1985-05-23

1986-12-30

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

200181, H01L 4108

Patent

active

046331182

ABSTRACT:
A microwave switch with mechanical contacts which is applicable to a microwave band or a millimeter-wave band and shortens a switching time. An axial displacement of an electroexpansive element (36) caused by a voltage which is applied from the outside is magnified by two levers (38.sub.1, 38.sub.2). A pair of leaf springs (48.sub.1, 48.sub.2) are moved parallel to and in opposite directions to each other responsive to the magnified displacement of the electroexpansive element (36), so that a connecting member (50) which is connected to the leaf springs (48.sub.1, 48.sub.2) is driven in a rotational motion. In response to the rotational motion of the member (50), another leaf spring (52) connected to the member (50) moves two movable rods (31.sub.1, 32.sub.2 ) and, thereby, center conductors (30.sub.1, 30.sub.2) carried respectively by the rods (32.sub.1, 32.sub.2) in opposite directions to each other. This allows a stationary common contact (28.sub.2) to be selectively connected to stationary selection contacts (28.sub.1, 28.sub.2).

REFERENCES:
patent: 4435666 (1984-03-01), Fukui
patent: 4454442 (1984-06-01), Hosking
patent: 4518887 (1985-05-01), Yano et al.
patent: 4538087 (1985-08-01), Germano et al.
patent: 4547086 (1985-10-01), Matsumoto et al.

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