Drive circuit for piezoelectric stack

Details Drive circuit for piezoelectric stack Drive circuit for piezoelectric stack

1984-04-25

1986-06-17

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, H01L 4108

Patent

active

045958548

ABSTRACT:
A drive circuit for a piezoelectric stack which drives a desired mechanical object such as a printing head of a dot matrix printer or an ink jet printer. A winding is connected in series with one of electrodes of the piezoelectric stack so that an excitation voltage is applied to the stack via the winding. An excessive charge current at each time of drive and an excessive discharge current at each time of recovery are prevented.

REFERENCES:
patent: 3371233 (1968-02-01), Cook
patent: 3649857 (1972-03-01), Knappe
patent: 3683212 (1972-08-01), Zoltan
patent: 4126867 (1978-11-01), Stevenson, Jr.
patent: 4161670 (1979-07-01), Kern
patent: 4176976 (1979-12-01), Lendl
patent: 4193703 (1980-03-01), Sakmann
patent: 4435666 (1984-03-01), Fukui et al.

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