Device for the generation of a control voltage across a piezo-el

Details Device for the generation of a control voltage across a piezo-el Device for the generation of a control voltage across a piezo-el

1979-05-21

1981-03-24

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

042582822

ABSTRACT:
A device for the generation of a control voltage across a piezo-electric positioning element. In order to enable a high voltage to be generated across the piezo-electric element without using a comparatively high supply voltage, use is made of the capacitance of such an element as an integrating element. The device comprises a current source and switches for transferring current pulses to and from the piezo-electric element on command of control pulses.

REFERENCES:
patent: 3296467 (1967-01-01), Locher
patent: 3551764 (1970-12-01), Evans
patent: 3919934 (1975-11-01), Beery
patent: 3968386 (1976-07-01), Heinzl
patent: 4099211 (1978-07-01), Hathaway
patent: 4099876 (1978-07-01), Dorsman

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