JPS5246095B2 - - Google Patents

Info

Publication number
JPS5246095B2
JPS5246095B2 JP48057831A JP5783173A JPS5246095B2 JP S5246095 B2 JPS5246095 B2 JP S5246095B2 JP 48057831 A JP48057831 A JP 48057831A JP 5783173 A JP5783173 A JP 5783173A JP S5246095 B2 JPS5246095 B2 JP S5246095B2
Authority
JP
Japan
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
JP48057831A
Other languages
Japanese (ja)
Other versions
JPS5010141A (en]
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 filed Critical
Priority to JP48057831A priority Critical patent/JPS5246095B2/ja
Priority to US470362A priority patent/US3897748A/en
Priority to GB2197674A priority patent/GB1475547A/en
Priority to DE2425060A priority patent/DE2425060C3/de
Publication of JPS5010141A publication Critical patent/JPS5010141A/ja
Publication of JPS5246095B2 publication Critical patent/JPS5246095B2/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
    • G03G15/0822—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
JP48057831A 1973-05-25 1973-05-25 Expired JPS5246095B2 (en])

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP48057831A JPS5246095B2 (en]) 1973-05-25 1973-05-25
US470362A US3897748A (en) 1973-05-25 1974-05-16 Apparatus for controlling toner concentration of developer in electrostatic development
GB2197674A GB1475547A (en) 1973-05-25 1974-05-17 Apparatus for controlling toner concentration of a developer in electrostatic development
DE2425060A DE2425060C3 (de) 1973-05-25 1974-05-24 Vorrichtung zur Steuerung der Tonerkonzentration eines pulverförmigen Entwicklers bei der elektrophotographischen Entwicklung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48057831A JPS5246095B2 (en]) 1973-05-25 1973-05-25

Publications (2)

Publication Number Publication Date
JPS5010141A JPS5010141A (en]) 1975-02-01
JPS5246095B2 true JPS5246095B2 (en]) 1977-11-21

Family

ID=13066870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48057831A Expired JPS5246095B2 (en]) 1973-05-25 1973-05-25

Country Status (4)

Country Link
US (1) US3897748A (en])
JP (1) JPS5246095B2 (en])
DE (1) DE2425060C3 (en])
GB (1) GB1475547A (en])

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS613004Y2 (en]) * 1975-01-13 1986-01-30
JPS56275Y2 (en]) * 1977-04-18 1981-01-07
JPS6020119Y2 (ja) * 1978-03-27 1985-06-17 株式会社東芝 トナ−濃度制御装置
JPS54135537A (en) * 1978-04-12 1979-10-20 Ricoh Co Ltd Developing performance detector for binary dry type developer
JPS602598Y2 (ja) * 1978-04-19 1985-01-24 株式会社東芝 トナ−濃度検知装置
US4273843A (en) * 1978-06-12 1981-06-16 Konishiroku Photo Industry Co., Ltd. Method of detecting toner concentration in electrophotographic copying machine
JPS5521070A (en) * 1978-08-02 1980-02-14 Toshiba Corp Toner density control device in dry type developing apparatus
JPS5675662A (en) * 1979-11-26 1981-06-22 Hitachi Ltd Operating method of electrophotographic apparatus
JPS5842073A (ja) * 1981-09-08 1983-03-11 Fuji Xerox Co Ltd 現像剤の濃度制御装置
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
GB2186818B (en) * 1986-02-20 1990-07-11 Ricoh Kk Developing electrostatic latent images
US4980727A (en) * 1990-04-02 1990-12-25 Eastman Kodak Company Toner concentration control system
JP2011022293A (ja) * 2009-07-15 2011-02-03 Toshiba Corp 現像装置、画像形成装置および現像剤劣化検知方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094049A (en) * 1961-02-03 1963-06-18 Xerox Corp Xerographic developer measuring apparatus
US3390652A (en) * 1967-02-06 1968-07-02 Nathan K. Morris Hand held and operated sewing machine
US3430606A (en) * 1968-01-02 1969-03-04 Xerox Corp Electroscopic particle sensor
US3604939A (en) * 1968-05-24 1971-09-14 Xerox Corp Toner concentration sensing apparatus having plural sensors and a flow control means for each sensor
US3610205A (en) * 1968-10-17 1971-10-05 Continental Can Co Apparatus for measuring and controlling mixture content
US3572551A (en) * 1969-03-27 1971-03-30 Rca Corp Apparatus for monitoring and controlling the concentration of toner in a developer mix
BE757197A (fr) * 1969-10-09 1971-03-16 Rca Corp Dispositif pour controler et regler la concentration de particules de poudre dans un melange de poudre et de particules magnetiques
US3707134A (en) * 1970-08-21 1972-12-26 Addressograph Multigraph Automatic toner concentrate detector and control device
US3830401A (en) * 1971-12-13 1974-08-20 Eastman Kodak Co Toner concentration monitoring apparatus
US3791744A (en) * 1972-02-22 1974-02-12 Dyk Res Corp Van Xerographic toner concentration measuring apparatus and method

Also Published As

Publication number Publication date
GB1475547A (en) 1977-06-01
DE2425060C3 (de) 1981-09-10
JPS5010141A (en]) 1975-02-01
US3897748A (en) 1975-08-05
DE2425060B2 (de) 1981-01-08
DE2425060A1 (de) 1974-12-12

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