Ink-on-demand type ink-jet printer with coordinated variable siz

Details Ink-on-demand type ink-jet printer with coordinated variable siz Ink-on-demand type ink-jet printer with coordinated variable siz

1980-02-11

1981-07-28

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 75, G01D 1518

Patent

active

042813336

ABSTRACT:
An ink-jet printer uses droplets of conductive ink to print on a recording medium. The ink is in a chamber having a nozzle and a piezoelectric member attached to one wall of the chamber. The droplets are driven out of the nozzle in response to a driving pulse which is applied to the piezoelectric member. The size of the droplets is determined by the energy content of the driving pulse. The charges formed upon the droplets leaving the nozzle are generated responsive to the driving pulse and have a level which depends upon the driving pulse.

REFERENCES:
patent: 3828354 (1974-08-01), Hilton
patent: 3871004 (1975-03-01), Rittberg
patent: 3911448 (1975-10-01), Ohno et al.
Chen, W. H. et al., Ink Jet Emitter, IBM Technical Disclosure Bulletin, vol. 14, No. 9, Feb. 1972, p. 2797.
Kamphoefner, F. J., Ink Jet Printing, IEEE Transactions on Electron Devices, vol. ED-19, No. 4, Apr. 1972, pp. 584-593.

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