EP0496399A3 - Charging device disposed close to member to be charged and image forming apparatus using same - Google Patents

Charging device disposed close to member to be charged and image forming apparatus using same Download PDF

Info

Publication number
EP0496399A3
EP0496399A3 EP19920101088 EP92101088A EP0496399A3 EP 0496399 A3 EP0496399 A3 EP 0496399A3 EP 19920101088 EP19920101088 EP 19920101088 EP 92101088 A EP92101088 A EP 92101088A EP 0496399 A3 EP0496399 A3 EP 0496399A3
Authority
EP
European Patent Office
Prior art keywords
charged
image forming
forming apparatus
same
charging device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19920101088
Other versions
EP0496399A2 (en
Inventor
Kouichi Okuda
Kimio Nakahata
Shunji Nakamura
Junji Araya
Yohji Tomoyuki
Shinichi Tsukida
Akira Hayakawa
Daizo Fukuzawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP665191A external-priority patent/JPH04240670A/en
Priority claimed from JP1100391A external-priority patent/JPH04245265A/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP0496399A2 publication Critical patent/EP0496399A2/en
Publication of EP0496399A3 publication Critical patent/EP0496399A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/025—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member in the vicinity with the member to be charged, e.g. proximity charging, forming microgap

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
EP19920101088 1991-01-24 1992-01-23 Charging device disposed close to member to be charged and image forming apparatus using same Withdrawn EP0496399A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP665191A JPH04240670A (en) 1991-01-24 1991-01-24 Electrostatic charging device and image forming device provided therewith
JP6651/91 1991-01-24
JP11003/91 1991-01-31
JP1100391A JPH04245265A (en) 1991-01-31 1991-01-31 Electrifier and image forming device with it

Publications (2)

Publication Number Publication Date
EP0496399A2 EP0496399A2 (en) 1992-07-29
EP0496399A3 true EP0496399A3 (en) 1993-07-07

Family

ID=26340838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920101088 Withdrawn EP0496399A3 (en) 1991-01-24 1992-01-23 Charging device disposed close to member to be charged and image forming apparatus using same

Country Status (2)

Country Link
EP (1) EP0496399A3 (en)
KR (1) KR920015171A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69326735T2 (en) * 1992-08-25 2000-04-27 Canon Kk Toner for developing electrostatic images and imaging processes
EP1074893B1 (en) * 1999-08-02 2006-11-29 Ricoh Company, Ltd. Apparatus for image forming capable of effectively generating a consistent charge potential
CN1182442C (en) * 1999-10-15 2004-12-29 株式会社理光 Photoreceptor component and image forming device
JP4455454B2 (en) 2004-09-02 2010-04-21 キヤノン株式会社 Charging member, process cartridge, and electrophotographic apparatus
EP1834217B1 (en) 2004-12-28 2011-08-17 Canon Kabushiki Kaisha Charging member, process cartridge and electrophotographic apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727453A (en) * 1986-12-22 1988-02-23 Xerox Corporation Alternating current inductive charging of a photoreceptor
EP0308185A2 (en) * 1987-09-14 1989-03-22 Canon Kabushiki Kaisha A charging device
EP0338546A2 (en) * 1988-04-20 1989-10-25 Canon Kabushiki Kaisha Charger and image forming apparatus with same
EP0431559A2 (en) * 1989-12-04 1991-06-12 Canon Kabushiki Kaisha Image forming apparatus having charging means

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60205550A (en) * 1984-03-30 1985-10-17 Fuji Xerox Co Ltd Electrifying device
JP2607109B2 (en) * 1988-01-11 1997-05-07 キヤノン株式会社 Charging device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727453A (en) * 1986-12-22 1988-02-23 Xerox Corporation Alternating current inductive charging of a photoreceptor
EP0308185A2 (en) * 1987-09-14 1989-03-22 Canon Kabushiki Kaisha A charging device
EP0338546A2 (en) * 1988-04-20 1989-10-25 Canon Kabushiki Kaisha Charger and image forming apparatus with same
EP0431559A2 (en) * 1989-12-04 1991-06-12 Canon Kabushiki Kaisha Image forming apparatus having charging means

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
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 *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 460 (P-946)18 October 1989 & JP-A-01 179 957 ( CANON INC ) 18 July 1989 *

Also Published As

Publication number Publication date
EP0496399A2 (en) 1992-07-29
KR920015171A (en) 1992-08-26

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Legal Events

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Effective date: 19980806