DE69211493D1 - Entwicklungseinheit - Google Patents

Entwicklungseinheit

Info

Publication number
DE69211493D1
DE69211493D1 DE69211493T DE69211493T DE69211493D1 DE 69211493 D1 DE69211493 D1 DE 69211493D1 DE 69211493 T DE69211493 T DE 69211493T DE 69211493 T DE69211493 T DE 69211493T DE 69211493 D1 DE69211493 D1 DE 69211493D1
Authority
DE
Germany
Prior art keywords
development unit
development
unit
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.)
Expired - Lifetime
Application number
DE69211493T
Other languages
English (en)
Other versions
DE69211493T2 (de
Inventor
Keiji Kato
Katsuzo Uchida
Yasuo Imai
Yukinori Andou
Takashi Sugito
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69211493D1 publication Critical patent/DE69211493D1/de
Publication of DE69211493T2 publication Critical patent/DE69211493T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03G15/0889—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for agitation or stirring
    • 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
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
DE1992611493 1991-11-15 1992-11-12 Entwicklungseinheit Expired - Lifetime DE69211493T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3300025A JPH05134547A (ja) 1991-11-15 1991-11-15 現像装置

Publications (2)

Publication Number Publication Date
DE69211493D1 true DE69211493D1 (de) 1996-07-18
DE69211493T2 DE69211493T2 (de) 1997-01-30

Family

ID=17879804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992611493 Expired - Lifetime DE69211493T2 (de) 1991-11-15 1992-11-12 Entwicklungseinheit

Country Status (3)

Country Link
EP (1) EP0542276B1 (de)
JP (1) JPH05134547A (de)
DE (1) DE69211493T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002214890A (ja) * 2001-01-12 2002-07-31 Ricoh Co Ltd 現像装置
JP5396700B2 (ja) * 2007-08-22 2014-01-22 コニカミノルタ株式会社 画像形成装置及びかぶり解消方法
JP5251907B2 (ja) * 2010-03-16 2013-07-31 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置
JP5402973B2 (ja) * 2011-04-20 2014-01-29 コニカミノルタ株式会社 画像形成装置
KR20200107451A (ko) 2019-03-08 2020-09-16 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 토너 농도 센서로부터 획득된 출력 파형을 이용한 현상제량 제어

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2812335B2 (ja) * 1988-08-31 1998-10-22 京セラ株式会社 トナー濃度制御方法

Also Published As

Publication number Publication date
EP0542276B1 (de) 1996-06-12
EP0542276A3 (en) 1993-09-22
JPH05134547A (ja) 1993-05-28
DE69211493T2 (de) 1997-01-30
EP0542276A2 (de) 1993-05-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition