Ink drop charging device

Details Ink drop charging device Ink drop charging device

1980-09-29

1982-12-14

Miller, Jr., George H.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

043640583

ABSTRACT:
An ink droplet charging device and method in which ink droplets are alternately charged positive, negative and with zero charges to prevent the accumulation of foreign particles upon charging electrodes. A nozzle jets an ink stream which is divided into ink droplets. A charging electrode disposed at the position where the ink stream divides into the droplets controls the charge condition of the ink droplets according to whether the ink droplets are utilized for printing or not. Positive, negative and ground level voltages are applied to the charging electrode in synchronization with the formation of the ink droplets.

REFERENCES:
patent: 3846800 (1974-11-01), Chen
patent: 4217595 (1980-08-01), Horike et al.

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