JPS5946391B2 - 磁気ブラシ現像装置 - Google Patents

磁気ブラシ現像装置

Info

Publication number
JPS5946391B2
JPS5946391B2 JP52144482A JP14448277A JPS5946391B2 JP S5946391 B2 JPS5946391 B2 JP S5946391B2 JP 52144482 A JP52144482 A JP 52144482A JP 14448277 A JP14448277 A JP 14448277A JP S5946391 B2 JPS5946391 B2 JP S5946391B2
Authority
JP
Japan
Prior art keywords
developing
powder
sleeve
developer
magnetic
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
Application number
JP52144482A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5476237A (en
Inventor
隆志 矢野
光雄 渋沢
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP52144482A priority Critical patent/JPS5946391B2/ja
Priority to GB7846586A priority patent/GB2008984B/en
Priority to DE2851910A priority patent/DE2851910C3/de
Priority to US05/964,887 priority patent/US4197813A/en
Publication of JPS5476237A publication Critical patent/JPS5476237A/ja
Publication of JPS5946391B2 publication Critical patent/JPS5946391B2/ja
Expired 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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0914—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with a one-component toner
    • 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
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical 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
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0856—Detection or control means for the developer level
    • 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
    • G03G2215/06—Developing structures, details
    • G03G2215/0602—Developer
    • G03G2215/0604—Developer solid type
    • G03G2215/0614—Developer solid type one-component
    • 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
    • G03G2215/0888—Arrangements for detecting toner level or concentration in the developing device
    • G03G2215/0891—Optical detection
    • G03G2215/0894—Optical detection through a light transmissive window in the developer container wall
    • G03G2215/0897—Cleaning of the light transmissive window
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S222/00—Dispensing
    • Y10S222/01—Xerography

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
JP52144482A 1977-11-30 1977-11-30 磁気ブラシ現像装置 Expired JPS5946391B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP52144482A JPS5946391B2 (ja) 1977-11-30 1977-11-30 磁気ブラシ現像装置
GB7846586A GB2008984B (en) 1977-11-30 1978-11-29 Magnetic brush development apparatus
DE2851910A DE2851910C3 (de) 1977-11-30 1978-11-30 Magnetbürsten-Entwicklungsvorrichtung
US05/964,887 US4197813A (en) 1977-11-30 1978-11-30 Magnetic brush development apparatus with developer supply detecting means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52144482A JPS5946391B2 (ja) 1977-11-30 1977-11-30 磁気ブラシ現像装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP18164480A Division JPS56138761A (en) 1980-12-22 1980-12-22 Magnetic brush developing device

Publications (2)

Publication Number Publication Date
JPS5476237A JPS5476237A (en) 1979-06-18
JPS5946391B2 true JPS5946391B2 (ja) 1984-11-12

Family

ID=15363330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52144482A Expired JPS5946391B2 (ja) 1977-11-30 1977-11-30 磁気ブラシ現像装置

Country Status (4)

Country Link
US (1) US4197813A (US06623731-20030923-C00052.png)
JP (1) JPS5946391B2 (US06623731-20030923-C00052.png)
DE (1) DE2851910C3 (US06623731-20030923-C00052.png)
GB (1) GB2008984B (US06623731-20030923-C00052.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH042991B2 (US06623731-20030923-C00052.png) * 1988-02-19 1992-01-21

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56121068A (en) * 1980-02-27 1981-09-22 Mita Ind Co Ltd Developing device of electrostatic copying machine
JPS56147471U (US06623731-20030923-C00052.png) * 1980-04-03 1981-11-06
JPS56138761A (en) * 1980-12-22 1981-10-29 Ricoh Co Ltd Magnetic brush developing device
EP0086455B1 (en) * 1982-02-17 1987-01-07 Kabushiki Kaisha Toshiba Developing apparatus
US4506973A (en) * 1983-06-20 1985-03-26 Eastman Kodak Company Toner concentration monitoring apparatus located behind a transparent photoconductor
US4647180A (en) * 1984-10-25 1987-03-03 Kabushiki Kaisha Toshiba Developing device and electronic copying apparatus
JP3263533B2 (ja) * 1994-05-17 2002-03-04 ブラザー工業株式会社 トナー残量検出装置及びそのトナー収納装置
JP3860870B2 (ja) * 1995-12-21 2006-12-20 株式会社リコー 現像装置
US5630198A (en) * 1995-12-28 1997-05-13 Brother Kogyo Kabushiki Kaisha Toner fillable cartridge having protrusions engageable with a development case shutter
US7826101B2 (en) * 2003-06-25 2010-11-02 Ricoh Company, Ltd. Document management method, document management program, recording medium, and document management apparatus
JP4225248B2 (ja) * 2004-07-05 2009-02-18 ブラザー工業株式会社 現像剤カートリッジ及び画像形成装置
JP2006184515A (ja) * 2004-12-27 2006-07-13 Brother Ind Ltd 現像装置及び画像形成装置
JP5219462B2 (ja) * 2007-01-31 2013-06-26 キヤノン株式会社 現像装置、プロセスカートリッジ及び電子写真画像形成装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371192A (en) * 1945-03-13 Testing apparatus
US3233781A (en) * 1963-05-08 1966-02-08 Savin Business Machines Corp Toner control system
US3765654A (en) * 1968-10-17 1973-10-16 Continental Can Co System for measuring and controlling mixture content
JPS4984031A (US06623731-20030923-C00052.png) * 1972-12-20 1974-08-13
JPS5759550B2 (US06623731-20030923-C00052.png) * 1973-05-01 1982-12-15 Ricoh Kk
US3872825A (en) * 1973-08-06 1975-03-25 Xerox Corp Particle concentration detector
US4270487A (en) * 1977-10-27 1981-06-02 Hitachi, Ltd. Developer regulating device in developing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH042991B2 (US06623731-20030923-C00052.png) * 1988-02-19 1992-01-21

Also Published As

Publication number Publication date
DE2851910C3 (de) 1987-07-09
DE2851910A1 (de) 1979-05-31
US4197813A (en) 1980-04-15
DE2851910B2 (de) 1981-03-26
JPS5476237A (en) 1979-06-18
GB2008984B (en) 1982-05-26
GB2008984A (en) 1979-06-13

Similar Documents

Publication Publication Date Title
JPS5946391B2 (ja) 磁気ブラシ現像装置
US3698926A (en) Method and apparatus for supplementing toner in electrophotographic machines
EP0613066B1 (en) Developing devices for use in electrophotographic apparatus
JP3175777B2 (ja) 電子写真式複写機
JPS59170867A (ja) トナ−濃度制御方法
JPS55161261A (en) Toner replenishing method and its device
JPS5924420B2 (ja) 現像剤残量検知装置
JPS6329261B2 (US06623731-20030923-C00052.png)
JPS5842073A (ja) 現像剤の濃度制御装置
JPH04162068A (ja) 画像形成装置
JPH0114587B2 (US06623731-20030923-C00052.png)
US4064834A (en) Apparatus for sensing the concentration of toner in a developer mix
JPS6113137A (ja) 電子写真式複写機
US4994863A (en) Electrostatic scavenger having magnetic drive disk
JPS61255363A (ja) 画像形成装置
JPH0334760Y2 (US06623731-20030923-C00052.png)
JPS5919974A (ja) 現像装置
JP2893858B2 (ja) 現像剤濃度測定装置
JPS62201482A (ja) 現像剤のトナ−濃度検出器
JPS6019501B2 (ja) トナ−濃度測定方法
JPS56138761A (en) Magnetic brush developing device
JPS6315582B2 (US06623731-20030923-C00052.png)
JPS6337383B2 (US06623731-20030923-C00052.png)
JPS5837673A (ja) 現像装置
JPS5760359A (en) Magnetic brush developing device