Ink jet printing randomizing droplet placement apparatus

Details Ink jet printing randomizing droplet placement apparatus Ink jet printing randomizing droplet placement apparatus

1984-11-14

1986-03-11

Goldberg, E. A.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

045757305

ABSTRACT:
Ink jet printing apparatus is provided for vertically randomizing the flight paths of ink drops ejected from an ink jet printing head to print dots at positions randomly deviated vertically with respect to a line scanned by the printing head. Ejected ink drops are passed through an electric field having a randomly varying intensity and direction to randomly deflect the ink drop flight path with respect to a line scanned by the printing head.

REFERENCES:
patent: 3864692 (1975-02-01), McDonnell et al.
patent: 3898671 (1975-08-01), Berry et al.
patent: 4281331 (1981-02-01), Shair
patent: 4374387 (1983-02-01), Iyoda et al.
patent: 4414583 (1983-11-01), Hooker
patent: 4424578 (1984-01-01), Suzuki et al.
patent: 4476542 (1984-10-01), Crean et al.

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