Ink-jet printing method and device therefor

Details Ink-jet printing method and device therefor Ink-jet printing method and device therefor

1979-05-30

1980-10-28

Hartary, Joseph W.

Recorders

Record receiver deforming

G01D 1518

Patent

active

042310474

ABSTRACT:
A first ultrasonic transducer is normally energized so that the ink jet normally emerging through a nozzle of an ink manifold containing the pressurized ink may break into an ink drop within a charge electrode and the charged ink drop may be deflected by a pair of deflection electrodes so as to travel toward a gutter. In response to the ink-placement signal a second ultrasonic transducer is de-energized when it has been energized in phase or in opposite phase with the first ultrasonic transducer when the second ultrasonic transducer has been de-energized so that the formation of each ink drop may occur outside of the charge electrode and the uncharged ink drop may travel to strike against a recording medium.

REFERENCES:
patent: 3334351 (1967-08-01), Stauffer
patent: 3979756 (1976-09-01), Helinski

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