Apparatus for ejecting droplets of ink

Details Apparatus for ejecting droplets of ink Apparatus for ejecting droplets of ink

1985-04-05

1986-11-25

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310317, G01D 1518

Patent

active

046252215

ABSTRACT:
An apparatus for ejecting droplets of ink including: a passage for ink; an orifice disposed at one end of the passage; a pressure-applying device for applying a pressure wave to the ink within the passage; and a signal-supplying device for supplying an actuating signal to the pressure-applying device. The frequency of the signal is such that the displacement of the ink surface at the orifice due to the pressure wave is maximized.

REFERENCES:
patent: 2512743 (1950-06-01), Hansell
patent: 3683212 (1972-08-01), Zoltan
patent: 3683396 (1972-08-01), Keur
patent: 3946398 (1976-03-01), Kyser
patent: 4112433 (1978-09-01), Vernon
patent: 4266232 (1981-05-01), Juliana
patent: 4282535 (1981-08-01), Kern
patent: 4369455 (1983-01-01), McConica
patent: 4393384 (1983-07-01), Kyser
patent: 4398204 (1983-08-01), Dietrich
patent: 4471363 (1984-09-01), Hanaoka
Beasley, J. D.; Model for Fluid Ejection & Refill in a Impulse Drive Jet, SPSE, vol. 21, No. 2, Mar./Apr. 1977, pp. 78-82.
Kyser et al; Design of an Impulse Ink Jet, Journal of Applied Photo Engineering, vol. 7, No. 3, Jun. 1981, pp. 73-79.

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