Photocopying – Contact printing – Light boxes
Patent
1993-01-29
1995-05-02
Grimley, A. T.
Photocopying
Contact printing
Light boxes
361221, G03G 1502
Patent
active
054124557
ABSTRACT:
A charging device includes a member to be charged; a charging member, provided connectable to the member to be charged, for charging the member to be a power source for supplying the oscillating voltage to the charging member; a constant voltage element connected electrically in parallel with the portion for generating the oscillating voltage.
REFERENCES:
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patent: 4727453 (1988-02-01), Ewing
patent: 4821071 (1989-04-01), Oka et al.
patent: 5060017 (1991-10-01), Ueda
patent: 5144368 (1992-09-01), Ohzeki et al.
patent: 5146281 (1992-09-01), Kisu
patent: 5164779 (1992-11-01), Araya et al.
Miyamoto Toshio
Motoyama Hajime
Ono Kazuaki
Takeuchi Akihiko
Tanigawa Koichi
Canon Kabushiki Kaisha
Grimley A. T.
Lee Shuk Y.
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