Circuit arrangement for the operation of recording nozzles in in

Details Circuit arrangement for the operation of recording nozzles in in Circuit arrangement for the operation of recording nozzles in in

1979-10-24

1981-08-04

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310317, G01D 1518, H01L 4110

Patent

active

042825350

ABSTRACT:
A circuit arrangement for the operation of recording nozzles in ink mosaic recording devices employing tubular drive elements, which contain recording fluid, and which comprise electromechanical transducers, in particular piezo-electric transducers, whose diameter, and thus internal volume varies in the presence of different voltage potentials, utilizing an electronic switch for each of the electromechanical transducers, for selectively supplying to the respective electromechanical transducers a first voltage potential, and an electronic switch common to all of said electromechanical transducers for supplying in common a second voltage potential to all of said electronic transducers. The first voltage potential preferably is a potential operative to expand the diameters of the electromechanical transducers, and said second voltage potential preferably is a potential operative to contract the diameters of the electromechanical transducers. Means may also be provided in the supply path of current conducted across the electronic switch supplying the first voltage potential to the electromechanical transducers for limiting such current in an adjustable manner.

REFERENCES:
patent: 3683212 (1972-08-01), Zoltan
patent: 3968386 (1976-07-01), Heinzl
patent: 4126867 (1978-11-01), Stevenson, Jr.
patent: 4161670 (1979-07-01), Kern
patent: 4184168 (1980-01-01), Isayama et al.
patent: 4189734 (1980-02-01), Kyser et al.

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