Photocopying – Contact printing – Light boxes
Patent
1994-02-08
1996-09-03
Braun, Fred L.
Photocopying
Contact printing
Light boxes
G03G 1502
Patent
active
055528651
ABSTRACT:
A charging device and method in which a charging member, for example, of a brush, plate, film or roller type, for charging a charge-receiving member is disposed at a predetermined distance from the charge-receiving member. The distance is adjusted at not greater than a discharge start distance when the discharge is started and is adjusted at greater than the discharge start distance and less than a discharge stop distance after the discharge is started. The discharge start distance is the distance at the start of discharge when two electrodes are in close proximity as a voltage is applied, and the discharge stop distance is the distance directly before a stable discharge stops when two electrodes are separated while in state of discharge.
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patent: 5146280 (1992-09-01), Kisu
patent: 5164779 (1992-11-01), Araya et al.
patent: 5398102 (1995-03-01), Wada et al.
patent: 5402213 (1995-03-01), Ikegawa et al.
patent: 5770070 (1994-12-01), Kawamoto
Asano Masaki
Iino Shuji
Ikegawa Akihito
Osawa Izumi
Braun Fred L.
Minolta Camera Kabushiki Kaisha
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