Charging device for charging charged body in non-contact state

Details Charging device for charging charged body in non-contact state Charging device for charging charged body in non-contact state

1998-04-23

1999-10-19

Smith, Matthew S.

Electrophotography

Image formation

Charging

250325, 399170, 430 35, G03G 1502

Patent

active

059702877

ABSTRACT:
A low-cost non-contact type charging device having excellent uniform charging performance and long stable charging characteristic includes an insulating support body having an insulating surface, first electrodes, to which a first voltage is applied, and second electrodes, to which a second voltage is applied. The first electrodes and the second electrodes, isolated from each other, are alternately formed, in non-parallel to a relative moving direction between a charging member and a charged body. Further, the first electrodes and the second electrodes are provided at respective positions in a width in the relative moving direction of the charging member, and moved close to the charged body in a non-contact state.

REFERENCES:
patent: 5293200 (1994-03-01), Tsusaka
patent: 5360940 (1994-11-01), Hays
patent: 5515142 (1996-05-01), Rommelmann
patent: 5517287 (1996-05-01), Rodriguez et al.
patent: 5539501 (1996-07-01), Yu et al.
patent: 5594534 (1997-01-01), Genovese

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