Ink jet printer drive means

G - Physics – 01 – D

Patent

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Details

101/96.0216

G01D 15/18 (2006.01) B41J 2/035 (2006.01)

Patent

CA 1172685

INK JET PRINTER DRIVE MEANS Abstract of the Disclosure The ink in an ink jet printer is accelerated by means of cylindrically-shaped electromagnetically energized pressure waves wherein plates of metal serve as electrodes between which a capacitor is discharged. The capacitor along with the resistance losses and the inductance of the leads represent a damped oscillating circuit to reduce the back pressure waves. Other means of damping include a soft hose having an exponentially shaped portion, porous material in a passageway between a pair of air chambers, and a plastic foil placed between the pressure wave drive means and the nozzle.

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