Arrangement for actuating dot-producing printing elements of a m

Details Arrangement for actuating dot-producing printing elements of a m Arrangement for actuating dot-producing printing elements of a m

1974-08-05

1976-07-06

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

310 83, 318116, 346141, H01L 4108

Patent

active

039683869

ABSTRACT:
An arrangement for actuating dot-producing printing elements of a mosaic printing head, employing piezoelectric transducers which may be set in elongated and contracted states by the application of a suitable electric field, by means of which the printing elements, on transition from one state to the other state, are actuated, whereby as a result of their own mass inertia they are moved toward the printing position and subsequently return into their initial position, comprising an actuating circuit for each piezoelectric transducer which has controlled circuit elements operative to effect an elongation of the transducer, and circuit elements which are controlled in dependence upon the return of the operated dot-producing printing element to the piezoelectric transducer, operative to control the operation of such piezoelectric transducer.

REFERENCES:
patent: 2400953 (1946-05-01), Roys
patent: 3418427 (1968-12-01), Jones
patent: 3473466 (1969-10-01), Thayer
patent: 3819961 (1974-06-01), Prudent
patent: 3821747 (1974-06-01), Mason
patent: 3828357 (1974-08-01), Koeblitz
patent: 3840758 (1974-10-01), Zoltan

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