Printing device

Details Printing device Printing device

1986-10-02

1987-11-10

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

047060980

ABSTRACT:
In a printing device including a recording electrode having a front end portion to which ink is supplied, and an opposite electrode arranged in opposed relation to the recording electrode, wherein the ink is electrostatically splashed toward the opposite electrode by an electric field created between the recording electrode and the opposite electrode; the improvement comprises a switch for conditioning the recording electrode and the opposite electrode at an earth potential under a non-printing or a print waiting condition. Under the non-printing or the print waiting condition, the switch is selected not to apply an electrostatic force to the ink present at the front end portion of the recording electrode, thereby preventing undue splash of the ink.

REFERENCES:
patent: 4047185 (1977-09-01), Phillips
patent: 4663639 (1987-05-01), Owen

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