JPH0473153B2 - - Google Patents

Info

Publication number
JPH0473153B2
JPH0473153B2 JP56140253A JP14025381A JPH0473153B2 JP H0473153 B2 JPH0473153 B2 JP H0473153B2 JP 56140253 A JP56140253 A JP 56140253A JP 14025381 A JP14025381 A JP 14025381A JP H0473153 B2 JPH0473153 B2 JP H0473153B2
Authority
JP
Japan
Prior art keywords
developer
toner
conductive glass
roller
amount
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
JP56140253A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5842073A (ja
Inventor
Akio Okamura
Shuji Tanaka
Tamotsu Sakamoto
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox 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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP56140253A priority Critical patent/JPS5842073A/ja
Priority to GB08225354A priority patent/GB2107221B/en
Priority to DE19823233190 priority patent/DE3233190A1/de
Priority to US06/415,621 priority patent/US4419960A/en
Publication of JPS5842073A publication Critical patent/JPS5842073A/ja
Publication of JPH0473153B2 publication Critical patent/JPH0473153B2/ja
Granted 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
    • 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
    • G03G15/0849—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
    • G03G15/0887—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP56140253A 1981-09-08 1981-09-08 現像剤の濃度制御装置 Granted JPS5842073A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP56140253A JPS5842073A (ja) 1981-09-08 1981-09-08 現像剤の濃度制御装置
GB08225354A GB2107221B (en) 1981-09-08 1982-09-06 Developing agent density controlling device
DE19823233190 DE3233190A1 (de) 1981-09-08 1982-09-07 Vorrichtung zur steuerung der dichte von entwicklermaterial
US06/415,621 US4419960A (en) 1981-09-08 1982-09-07 Developing agent density controlling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56140253A JPS5842073A (ja) 1981-09-08 1981-09-08 現像剤の濃度制御装置

Publications (2)

Publication Number Publication Date
JPS5842073A JPS5842073A (ja) 1983-03-11
JPH0473153B2 true JPH0473153B2 ( ) 1992-11-20

Family

ID=15264473

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56140253A Granted JPS5842073A (ja) 1981-09-08 1981-09-08 現像剤の濃度制御装置

Country Status (4)

Country Link
US (1) US4419960A ( )
JP (1) JPS5842073A ( )
DE (1) DE3233190A1 ( )
GB (1) GB2107221B ( )

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648702A (en) * 1982-10-27 1987-03-10 Canon Kabushiki Kaisha Toner density detector and toner supplier
JPS59164574A (ja) * 1983-03-10 1984-09-17 Fuji Xerox Co Ltd 乾式電子写真式複写機のトナ−濃度検出装置
JPS6024570A (ja) * 1983-07-21 1985-02-07 Fuji Xerox Co Ltd カラ−トナ−濃度検出装置
JPS6024564A (ja) * 1983-07-21 1985-02-07 Fuji Xerox Co Ltd カラ−トナ−濃度検出装置
JPS6076774A (ja) * 1983-10-04 1985-05-01 Fuji Xerox Co Ltd 現像剤濃度検出装置
JPS61112175A (ja) * 1984-08-06 1986-05-30 Sharp Corp 現像装置
JPS61212868A (ja) * 1985-03-18 1986-09-20 Fuji Xerox Co Ltd 電子複写機のトナ−濃度検出装置
JP3023009B2 (ja) * 1991-05-14 2000-03-21 ミノルタ株式会社 光学式トナー濃度検出方法におけるトラブル検出方法
JP3581720B2 (ja) * 1994-01-26 2004-10-27 株式会社リコー 現像装置
KR100561381B1 (ko) * 1998-05-08 2006-03-16 삼성전자주식회사 습식 인쇄기의 현상액 농도 측정장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52129527A (en) * 1976-04-23 1977-10-31 Canon Inc Density adjustment for developing agent
JPS5343534A (en) * 1976-10-01 1978-04-19 Toshiba Corp Control device for density of developing agent
JPS5636670A (en) * 1979-09-04 1981-04-09 Ricoh Co Ltd Magnetic brush developing unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817616A (en) * 1972-10-06 1974-06-18 Xerox Corp Thermal chamber for a developability regulating apparatus
JPS5246095B2 ( ) * 1973-05-25 1977-11-21
US3911861A (en) * 1973-12-03 1975-10-14 Addressograph Multigraph Programmable toner concentration control
US4273843A (en) * 1978-06-12 1981-06-16 Konishiroku Photo Industry Co., Ltd. Method of detecting toner concentration in electrophotographic copying machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52129527A (en) * 1976-04-23 1977-10-31 Canon Inc Density adjustment for developing agent
JPS5343534A (en) * 1976-10-01 1978-04-19 Toshiba Corp Control device for density of developing agent
JPS5636670A (en) * 1979-09-04 1981-04-09 Ricoh Co Ltd Magnetic brush developing unit

Also Published As

Publication number Publication date
DE3233190C2 ( ) 1987-05-21
JPS5842073A (ja) 1983-03-11
DE3233190A1 (de) 1983-03-24
US4419960A (en) 1983-12-13
GB2107221A (en) 1983-04-27
GB2107221B (en) 1985-03-20

Similar Documents

Publication Publication Date Title
US4506804A (en) Volume detecting device
JPH0473153B2 ( )
US3897748A (en) Apparatus for controlling toner concentration of developer in electrostatic development
US4190018A (en) Powder density control circuit for a photocopier
US4064834A (en) Apparatus for sensing the concentration of toner in a developer mix
JPS6215873B2 ( )
JPS6019504B2 (ja) 現像剤の濃度調整方法及びその装置
JPS5849867B2 (ja) トナ−ノウドケンシユツソウチ
JPS602599Y2 (ja) トナ−濃度検出装置
US4603961A (en) Development system
JPS6020119Y2 (ja) トナ−濃度制御装置
JP2599994B2 (ja) 現像剤の検知装置
JPH01291274A (ja) 電子写真装置の現像装置
JPS5925220B2 (ja) 電子写真乾式現像装置のトナ−残量検知装置
JPH05281860A (ja) 画像形成装置
EP0086594B1 (en) Apparatus for sensing electrostatically charged particles
JPS58176657A (ja) 電子複写機における現像剤の濃度検出装置
JP3029852B2 (ja) 現像方法
JP2609585B2 (ja) 現像装置
JPS6311635Y2 ( )
JPS58208770A (ja) 現像剤のトナ−濃度検知装置
JPS5860758A (ja) 画像濃度制御方法
JPS6332187B2 ( )
JPS5855953A (ja) 電子複写機の現像剤濃度検出装置
JPS5835566A (ja) 電子写真画質制御方法