Piezoelectric relay switching matrix

Details Piezoelectric relay switching matrix Piezoelectric relay switching matrix

1988-09-13

1989-09-19

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

200181, 310367, 310332, H01L 4108

Patent

active

048684481

ABSTRACT:
A switching matrix includes at least one array of piezoelectric relays whose cantilevered drive elements are in the form of a unitary, comb-shaped structure of the piezoceramic mateial. Each drive element carries adjacent its free end at least one movable contact for engagement with one or more fixed contacts in either single or double throw fashion. The movable contacts may be mounted on housing walls enclosing the relay array or on a separate substrate also mounting the drive element unitary structure. Row and column conductors or conductor pairs are connected into the relay contacts by non-intersecting conductor runs printed on the surfaces of the housing walls or on the substrate.

REFERENCES:
patent: 4595855 (1986-06-01), Farrall
patent: 4654555 (1987-03-01), Ohba et al.
patent: 4670682 (1987-06-01), Harnden, Jr. et al.
patent: 4697118 (1987-09-01), Harnden, Jr. et al.
patent: 4714847 (1987-12-01), Harnden, Jr. et al.
patent: 4742263 (1988-05-01), Harnden, Jr. et al.

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