Ink jet printing apparatus

Details Ink jet printing apparatus Ink jet printing apparatus

1980-03-17

1982-01-19

Miller, Jr., George H.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

043120059

ABSTRACT:
Minute ink particles are ejected from a nozzle (16) in the form of a stream and electrostatically charged. The widths of pulses fed to an electrode (21) which applies the charge are varied in accordance with a desired printing density. A voltage is applied to a first deflection electrode (23) when it is desired to print a dot to deflect ink particles onto a moving sheet (22). An alternating voltage is applied to a second deflection electrode (27) to deflect the ink particles perpendicular to the deflection direction of the first deflection electrode (23) so as to form a cluster of ink particles on the sheet (22) having a diameter equal to a desired dot size.

REFERENCES:
patent: 3604846 (1971-09-01), Behane et al.
patent: 3971033 (1976-07-01), Fan
patent: 3977007 (1976-08-01), Berry et al.

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