JPS57190972A - Controller of toner concentration - Google Patents

Controller of toner concentration

Info

Publication number
JPS57190972A
JPS57190972A JP7498781A JP7498781A JPS57190972A JP S57190972 A JPS57190972 A JP S57190972A JP 7498781 A JP7498781 A JP 7498781A JP 7498781 A JP7498781 A JP 7498781A JP S57190972 A JPS57190972 A JP S57190972A
Authority
JP
Japan
Prior art keywords
toner
concentration
signal
supply
consumption
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.)
Pending
Application number
JP7498781A
Other languages
English (en)
Inventor
Yoshinori Ikeda
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP7498781A priority Critical patent/JPS57190972A/ja
Priority to US06/378,008 priority patent/US4462680A/en
Publication of JPS57190972A publication Critical patent/JPS57190972A/ja
Pending 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)
JP7498781A 1981-05-20 1981-05-20 Controller of toner concentration Pending JPS57190972A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7498781A JPS57190972A (en) 1981-05-20 1981-05-20 Controller of toner concentration
US06/378,008 US4462680A (en) 1981-05-20 1982-05-13 Apparatus for controlling toner density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7498781A JPS57190972A (en) 1981-05-20 1981-05-20 Controller of toner concentration

Publications (1)

Publication Number Publication Date
JPS57190972A true JPS57190972A (en) 1982-11-24

Family

ID=13563132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7498781A Pending JPS57190972A (en) 1981-05-20 1981-05-20 Controller of toner concentration

Country Status (1)

Country Link
JP (1) JPS57190972A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969011A (en) * 1989-04-27 1990-11-06 Xerox Corporation Toner control system for xerographic reproduction machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969011A (en) * 1989-04-27 1990-11-06 Xerox Corporation Toner control system for xerographic reproduction machine

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