EP 0496399 A3 19930707 - CHARGING DEVICE DISPOSED CLOSE TO MEMBER TO BE CHARGED AND IMAGE FORMING APPARATUS USING SAME
Title (en)
CHARGING DEVICE DISPOSED CLOSE TO MEMBER TO BE CHARGED AND IMAGE FORMING APPARATUS USING SAME
Publication
Application
Priority
- JP 665191 A 19910124
- JP 1100391 A 19910131
Abstract (en)
[origin: EP0496399A2] A charging device includes a charging member opposed to a member to be charged with a smaller clearance therebetween; voltage application means for applying an oscillating voltage between the member to be charged and said charging member; wherein said charging member is provided with a resistance layer, and a reactance of the resistance layer against the oscillating voltage is smaller than a resistance of the resistance layer. <IMAGE>
IPC 1-7
IPC 8 full level
G03G 15/02 (2006.01)
CPC (source: EP KR)
G03G 15/02 (2013.01 - KR); G03G 15/0208 (2013.01 - EP); G03G 15/025 (2013.01 - EP)
Citation (search report)
- [X] EP 0308185 A2 19890322 - CANON KK [JP]
- [A] US 4727453 A 19880223 - EWING JOAN R [US]
- [A] EP 0338546 A2 19891025 - CANON KK [JP]
- [XP] EP 0431559 A2 19910612 - CANON KK [JP]
- [A] PATENT ABSTRACTS OF JAPAN vol. 10, no. 64 (P-436)(2121) 14 March 1986 & JP-A-60 205 550 ( FUJI XEROX K.K. ) 17 October 1985
- [A] PATENT ABSTRACTS OF JAPAN vol. 13, no. 460 (P-946)18 October 1989 & JP-A-01 179 957 ( CANON INC ) 18 July 1989
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0496399 A2 19920729; EP 0496399 A3 19930707; KR 920015171 A 19920826
DOCDB simple family (application)
EP 92101088 A 19920123; KR 920001005 A 19920124