JPH0395575A - 現像装置 - Google Patents

現像装置

Info

Publication number
JPH0395575A
JPH0395575A JP23256489A JP23256489A JPH0395575A JP H0395575 A JPH0395575 A JP H0395575A JP 23256489 A JP23256489 A JP 23256489A JP 23256489 A JP23256489 A JP 23256489A JP H0395575 A JPH0395575 A JP H0395575A
Authority
JP
Japan
Prior art keywords
conveyance path
toner
developer
conveyance
developing 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.)
Pending
Application number
JP23256489A
Other languages
English (en)
Japanese (ja)
Inventor
Hiroshi Okamoto
洋 岡本
Chujiro Yokoyama
横山　忠次郎
Moriyoshi Matsushiro
松代　守可
Yasuhiro Kusuda
楠田　泰弘
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.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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
Application filed by Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP23256489A priority Critical patent/JPH0395575A/ja
Priority to DE19904028163 priority patent/DE4028163A1/de
Priority to US07/578,255 priority patent/US5122834A/en
Publication of JPH0395575A publication Critical patent/JPH0395575A/ja
Pending 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
    • G03G15/06—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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • 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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • 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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G03G15/0853—Detection or control means for the developer concentration the concentration being measured by magnetic means
    • 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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • G03G15/0893—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers in a closed loop within the sump of the developing device
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0802—Arrangements for agitating or circulating developer material
    • G03G2215/0816—Agitator type
    • G03G2215/0819—Agitator type two or more agitators
    • G03G2215/0822—Agitator type two or more agitators with wall or blade between agitators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
JP23256489A 1989-09-07 1989-09-07 現像装置 Pending JPH0395575A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP23256489A JPH0395575A (ja) 1989-09-07 1989-09-07 現像装置
DE19904028163 DE4028163A1 (de) 1989-09-07 1990-09-05 Entwicklungsapparat
US07/578,255 US5122834A (en) 1989-09-07 1990-09-06 Developing apparatus for determining decreased concentration of toner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23256489A JPH0395575A (ja) 1989-09-07 1989-09-07 現像装置

Publications (1)

Publication Number Publication Date
JPH0395575A true JPH0395575A (ja) 1991-04-19

Family

ID=16941315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23256489A Pending JPH0395575A (ja) 1989-09-07 1989-09-07 現像装置

Country Status (2)

Country Link
JP (1) JPH0395575A (enrdf_load_stackoverflow)
DE (1) DE4028163A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5582521A (en) * 1993-12-27 1996-12-10 Yazaki Corporation Charging connector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218754B1 (en) * 1985-10-14 1990-04-25 Agfa-Gevaert N.V. Apparatus and method of diffusion transfer processing
JP2576130B2 (ja) * 1987-07-02 1997-01-29 ミノルタ株式会社 現像装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5582521A (en) * 1993-12-27 1996-12-10 Yazaki Corporation Charging connector

Also Published As

Publication number Publication date
DE4028163A1 (de) 1991-03-21
DE4028163C2 (enrdf_load_stackoverflow) 1992-10-22

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