Sequentially pulsed overlapping field multielectrode corona char

Details Sequentially pulsed overlapping field multielectrode corona char Sequentially pulsed overlapping field multielectrode corona char

1980-09-24

1981-12-15

Salce, Patrick R.

Electricity: electrical systems and devices

Electric charging of objects or materials

By charged gas irradiation

361235, 355 3CH, 250325, H01T 1900

Patent

active

043062717

ABSTRACT:
A sequential corona charging method including apparatus therefor which acts to provide several corona fields, each of its own distinct origin, which are brought together with some spatial overlap to act collectively to provide uniform charge current distribution throughout the surface of an electrophotographic medium. Independence from non-uniform charging brought about by the undesirable effects of electrostatic repulsion between adjacent electric corona fields is achieved through the rapid controlled on and off sequencing of overlapping field corona regions so that the active time coincident therebetween is negligible.

REFERENCES:
patent: 3978380 (1976-08-01), Talmage
patent: 4166690 (1979-09-01), Bacon et al.
patent: 4240125 (1980-12-01), Kuehnle
patent: 4245272 (1980-12-01), Rushing et al.

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