JPS5246095B2 - - Google Patents

Info

Publication number
JPS5246095B2
JPS5246095B2 JP5783173A JP5783173A JPS5246095B2 JP S5246095 B2 JPS5246095 B2 JP S5246095B2 JP 5783173 A JP5783173 A JP 5783173A JP 5783173 A JP5783173 A JP 5783173A JP S5246095 B2 JPS5246095 B2 JP S5246095B2
Authority
JP
Grant status
Grant
Patent type
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
JP5783173A
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
Grant date

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849Detection or control means for the developer concentration
    • G03G15/0855Detection or control means for the developer concentration the concentration being measured by optical means
JP5783173A 1973-05-25 1973-05-25 Expired JPS5246095B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5783173A JPS5246095B2 (en) 1973-05-25 1973-05-25

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP5783173A JPS5246095B2 (en) 1973-05-25 1973-05-25
US3897748A 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
DE19742425060 DE2425060C3 (en) 1973-05-25 1974-05-24

Publications (2)

Publication Number Publication Date
JPS5010141A true 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
JP5783173A 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 (en) * 1978-03-27 1985-06-17
JPS54135537A (en) * 1978-04-12 1979-10-20 Ricoh Co Ltd Developing performance detector for binary dry type developer
JPS602598Y2 (en) * 1978-04-19 1985-01-24
US4273843A (en) * 1978-06-12 1981-06-16 Konishiroku Photo Industry Co., Ltd. Method of detecting toner concentration in electrophotographic copying machine
JPS5731135B2 (en) * 1978-08-02 1982-07-02
JPS6348341B2 (en) * 1979-11-26 1988-09-28 Hitachi Ltd
JPH0473153B2 (en) * 1981-09-08 1992-11-20 Fuji Xerox Co Ltd
JPS59164574A (en) * 1983-03-10 1984-09-17 Fuji Xerox Co Ltd Toner density detector in dry type electrophotographic copying machine
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 (en) * 2009-07-15 2011-02-03 Toshiba Corp Developing device, image forming device, and developer deterioration detecting method

Citations (2)

* 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
US3430606A (en) * 1968-01-02 1969-03-04 Xerox Corp Electroscopic particle sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390652A (en) * 1967-02-06 1968-07-02 Nathan K. Morris Hand held and operated sewing machine
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 (en) * 1969-10-09 1971-03-16 Rca Corp Device for controlling and regulating the concentration of powder particles in a mixture of powder and magnetic particles
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

Patent Citations (2)

* 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
US3430606A (en) * 1968-01-02 1969-03-04 Xerox Corp Electroscopic particle sensor

Also Published As

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