CA1034184A - Commande programmable de concentration en toner - Google Patents

Commande programmable de concentration en toner

Info

Publication number
CA1034184A
CA1034184A CA212,596A CA212596A CA1034184A CA 1034184 A CA1034184 A CA 1034184A CA 212596 A CA212596 A CA 212596A CA 1034184 A CA1034184 A CA 1034184A
Authority
CA
Canada
Prior art keywords
programmable
toner concentration
concentration control
control
toner
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
CA212,596A
Other languages
English (en)
Inventor
Jerome J. Griesmer
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.)
AB Dick Co
Original Assignee
Multigraphics 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 Multigraphics Inc filed Critical Multigraphics Inc
Application granted granted Critical
Publication of CA1034184A publication Critical patent/CA1034184A/fr
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)
  • Control Or Security For Electrophotography (AREA)
CA212,596A 1973-12-03 1974-10-29 Commande programmable de concentration en toner Expired CA1034184A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US421226A US3911861A (en) 1973-12-03 1973-12-03 Programmable toner concentration control

Publications (1)

Publication Number Publication Date
CA1034184A true CA1034184A (fr) 1978-07-04

Family

ID=23669688

Family Applications (1)

Application Number Title Priority Date Filing Date
CA212,596A Expired CA1034184A (fr) 1973-12-03 1974-10-29 Commande programmable de concentration en toner

Country Status (5)

Country Link
US (1) US3911861A (fr)
CA (1) CA1034184A (fr)
DE (1) DE2456936A1 (fr)
FR (1) FR2253233B1 (fr)
GB (2) GB1483472A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082445A (en) * 1975-11-21 1978-04-04 Xerox Corporation Toner control system for an electrostatic reproduction machine
JPS6020119Y2 (ja) * 1978-03-27 1985-06-17 株式会社東芝 トナ−濃度制御装置
US4183657A (en) * 1978-04-10 1980-01-15 International Business Machines Corporation Dynamic reference for an image quality control system
US4178095A (en) * 1978-04-10 1979-12-11 International Business Machines Corporation Abnormally low reflectance photoconductor sensing system
US4179213A (en) * 1978-04-10 1979-12-18 International Business Machines Corporation Vector pinning in an electrophotographic machine
US4372672A (en) * 1980-12-22 1983-02-08 International Business Machines Corporation Self-triggering quality control sensor
US4357901A (en) * 1981-09-03 1982-11-09 Bunnington Corporation Method and system for magnetically sensing and controlling toner concentration and optical density of copies in electrostatic reproduction
JPS5842073A (ja) * 1981-09-08 1983-03-11 Fuji Xerox Co Ltd 現像剤の濃度制御装置
US5192972A (en) * 1990-12-24 1993-03-09 Eastman Kodak Company Developer mix monitoring for color developer stations
US5148217A (en) * 1991-06-24 1992-09-15 Eastman Kodak Company Electrostatographic copier/printer densitometer insensitive to power supply variations
JP6938445B2 (ja) * 2018-07-19 2021-09-22 キヤノン株式会社 画像形成装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580673A (en) * 1968-08-26 1971-05-25 Xerox Corp Cleaning apparatus
US3682132A (en) * 1969-03-03 1972-08-08 Xerox Corp Automatic developer controller
US3818864A (en) * 1971-09-14 1974-06-25 Xerox Corp Image developing apparatus
US3756192A (en) * 1971-12-17 1973-09-04 Ibm Automatic toner concentration control system
US3791744A (en) * 1972-02-22 1974-02-12 Dyk Res Corp Van Xerographic toner concentration measuring apparatus and method
US3801196A (en) * 1973-04-20 1974-04-02 Xerox Corp Toner concentration regulating apparatus

Also Published As

Publication number Publication date
GB1483471A (en) 1977-08-17
FR2253233B1 (fr) 1978-09-15
US3911861A (en) 1975-10-14
DE2456936A1 (de) 1975-06-05
FR2253233A1 (fr) 1975-06-27
GB1483472A (en) 1977-08-17

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