Ink jet printing apparatus

Details Ink jet printing apparatus Ink jet printing apparatus

1982-05-03

1984-03-13

Griffin, Donald A.

Recorders

Record receiver deforming

G01D 1518

Patent

active

044371012

ABSTRACT:
In an ink jet printing apparatus wherein an ink ejection head is loaded on a carriage and, while the carriage moves relative to a sheet of paper, ink droplets are ejected from the head to be charged and deflected to impinge on the sheet of paper, a shape or a position of a conductive member carried on the carriage is varied to develop an electric field which is asymmetrical with respect to a predetermined plane in which charged ink droplets coming out from a charging electrode are to be deflected. The conductive member is constituted by a cover of the carriage, a shield plate, a gutter, a compensating electrode plate, a deflection electrode or the like.

REFERENCES:
patent: 3641588 (1972-02-01), Metz
patent: 3895386 (1975-07-01), Keur et al.
patent: 4222059 (1980-09-01), Crean et al.
patent: 4345260 (1982-08-01), Deproux

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