HK84093A - A magnetic developer conveying device - Google Patents

A magnetic developer conveying device

Info

Publication number
HK84093A
HK84093A HK840/93A HK84093A HK84093A HK 84093 A HK84093 A HK 84093A HK 840/93 A HK840/93 A HK 840/93A HK 84093 A HK84093 A HK 84093A HK 84093 A HK84093 A HK 84093A
Authority
HK
Hong Kong
Prior art keywords
conveying device
developer conveying
magnetic developer
magnetic
developer
Prior art date
Application number
HK840/93A
Other languages
English (en)
Inventor
Akira Yamamoto
Haruhisa Honda
Original Assignee
Canon Kk
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17562764&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK84093(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Canon Kk filed Critical Canon Kk
Publication of HK84093A publication Critical patent/HK84093A/xx

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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0047—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using electrostatic or magnetic means; Details thereof, e.g. magnetic pole arrangement of magnetic devices
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/0005—Cleaning of residual toner

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
HK840/93A 1985-12-10 1993-08-12 A magnetic developer conveying device HK84093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60275956A JPS62135862A (ja) 1985-12-10 1985-12-10 現像装置

Publications (1)

Publication Number Publication Date
HK84093A true HK84093A (en) 1993-08-20

Family

ID=17562764

Family Applications (1)

Application Number Title Priority Date Filing Date
HK840/93A HK84093A (en) 1985-12-10 1993-08-12 A magnetic developer conveying device

Country Status (5)

Country Link
US (1) US4743942A (xx)
EP (1) EP0226454B1 (xx)
JP (1) JPS62135862A (xx)
DE (1) DE3669789D1 (xx)
HK (1) HK84093A (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201360B (en) * 1987-01-30 1990-11-21 Xerox Corp Cylindrical magnets
JPH02226279A (ja) * 1989-02-28 1990-09-07 Fujitsu Ltd 印刷装置の現像器
US5315325A (en) * 1991-08-20 1994-05-24 Recycling Technologies International Corporation Laser printer cartridges
JPH0683203A (ja) * 1992-08-28 1994-03-25 Canon Inc 現像装置
JP3410329B2 (ja) * 1997-05-30 2003-05-26 京セラ株式会社 現像装置
JPH11133747A (ja) * 1997-10-31 1999-05-21 Konica Corp 現像装置
US20040179867A1 (en) * 2003-03-11 2004-09-16 Crichton John F. Method and apparatus for improved printing with toner having magnetic content

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53111738A (en) * 1977-03-11 1978-09-29 Toshiba Corp Developing device of magnetic brush type
JPS5772162A (en) * 1980-10-23 1982-05-06 Seiko Epson Corp Developing device using magnetic brush
JPS57171804A (en) * 1981-04-15 1982-10-22 Mitsubishi Electric Corp Faraday rotator type reversible phase shifter (dual mode reversible phase shifter)
CA1198766A (en) * 1981-04-20 1985-12-31 Atsuo Tanaka Magnetic rolls and a method of making the same
US4465359A (en) * 1981-07-20 1984-08-14 Canon Kabushiki Kaisha Portable electrophotographic copying apparatus
US4557582A (en) * 1982-04-02 1985-12-10 Canon Kabushiki Kaisha Magnet roll
JPS58171804A (ja) * 1982-04-02 1983-10-08 Canon Inc マグネットロールとそれを用いた現像装置
JPS58182210A (ja) * 1982-04-20 1983-10-25 Kanegafuchi Chem Ind Co Ltd 磁気回路装置
US4558294A (en) * 1983-03-31 1985-12-10 Hitachi Metals, Ltd. Magnet roll and method of producing the same
US4563978A (en) * 1983-04-08 1986-01-14 Canon Kabushiki Kaisha Developing apparatus
US4637706A (en) * 1983-06-14 1987-01-20 Canon Kabushiki Kaisha Developer thin layer forming apparatus
JPS606969A (ja) * 1983-06-24 1985-01-14 Fuji Xerox Co Ltd 磁気ブラシ現像用現像ロ−ル
US4610531A (en) * 1983-09-05 1986-09-09 Canon Kabushiki Kaisha Developing method and apparatus

Also Published As

Publication number Publication date
US4743942A (en) 1988-05-10
EP0226454B1 (en) 1990-03-21
EP0226454A3 (en) 1987-08-26
JPS62135862A (ja) 1987-06-18
EP0226454A2 (en) 1987-06-24
DE3669789D1 (de) 1990-04-26

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20061209