Charging apparatus

Details Charging apparatus Charging apparatus

2006-06-28

2008-09-09

Tran, Hoan H (Department: 2852)

Electrophotography

Control of electrophotography process

Control of charging

C399S176000

Reexamination Certificate

active

07424232

ABSTRACT:
A charging apparatus includes a charger for being supplied with an AC voltage and for electrically charging a member to be charged; a current measurer for measuring a current flowing between the charger and the member to be charged when the AC voltage is supplied to the charger; and a particular current extractor for extracting from the current a particular current having a particular frequency.

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