Fitzpatrick, Cella, Harper & Scinto
Charger and image forming apparatus with same
 A charging device contactable to a member in order to charge it electrically. The voltage of the charging member includes an AC component. A controller controls the AC component so as to be a constant current, by which the member to be charged can be stably and uniformly charged even if ambient conditions change. 
Canon Kabushiki Kaisha
G G
G03G G03G
inventional inventional
Hiroki Toshio Masanobu Shunji Junji Yohji
Kisu Miyamoto Saito Nakamura Araya Tomoyuki