Input circuit for a stacked type piezo-electric element device

Details Input circuit for a stacked type piezo-electric element device Input circuit for a stacked type piezo-electric element device

1985-05-14

1987-02-03

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, H01L 4108

Patent

active

046410520

ABSTRACT:
A stacked type piezo-electric element device in accordance with the present invention includes stacked type piezo-electric elements constructed by stacking a plurality of piezo-electric elements with electrodes on both sides, a plurality of voltage impression circuits prepared corresponding to respective piezo-electric elements for supplying a voltage to each electrode of the piezo-electric elements, a power source which connects the voltage impression circuits in parallel, and circuit breaker elements which, when the current that flows in at least one of the voltage impression circuits exceeds a predetermined value, interrupt the current flowing in the voltage impression circuit that exceeds the predetermined value.

REFERENCES:
patent: 2440709 (1948-05-01), Young
patent: 4219755 (1980-08-01), O'Neill et al.
patent: 4384230 (1983-05-01), Wisner
patent: 4510412 (1985-04-01), Suda

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