DE3173272D1 - Toner concentration monitor - Google Patents

Toner concentration monitor

Info

Publication number
DE3173272D1
DE3173272D1 DE8181304954T DE3173272T DE3173272D1 DE 3173272 D1 DE3173272 D1 DE 3173272D1 DE 8181304954 T DE8181304954 T DE 8181304954T DE 3173272 T DE3173272 T DE 3173272T DE 3173272 D1 DE3173272 D1 DE 3173272D1
Authority
DE
Germany
Prior art keywords
toner concentration
concentration monitor
monitor
toner
concentration
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
DE8181304954T
Other languages
German (de)
Inventor
Demetris E Paraskevopoulos
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE3173272D1 publication Critical patent/DE3173272D1/en
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
    • 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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
DE8181304954T 1980-10-21 1981-10-21 Toner concentration monitor Expired DE3173272D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19899380A 1980-10-21 1980-10-21

Publications (1)

Publication Number Publication Date
DE3173272D1 true DE3173272D1 (en) 1986-01-30

Family

ID=22735766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181304954T Expired DE3173272D1 (en) 1980-10-21 1981-10-21 Toner concentration monitor

Country Status (6)

Country Link
EP (1) EP0050528B1 (en)
JP (1) JPS5797429A (en)
BR (1) BR8106703A (en)
CA (1) CA1160278A (en)
DE (1) DE3173272D1 (en)
MX (1) MX149815A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112526843A (en) * 2019-09-19 2021-03-19 欧姆龙株式会社 Toner concentration sensor and image forming apparatus
CN112630375A (en) * 2020-07-31 2021-04-09 南通贝得彩色印刷有限公司 Environment-friendly detection method and device for color printing device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7327034B2 (en) * 2019-09-19 2023-08-16 オムロン株式会社 Toner concentration sensor and image forming apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765654A (en) * 1968-10-17 1973-10-16 Continental Can Co System for measuring and controlling mixture content
NL7210356A (en) * 1971-08-06 1973-02-08
FR2213490B1 (en) * 1972-11-16 1975-03-28 Cometa
US3926145A (en) * 1974-03-04 1975-12-16 Honeywell Inf Systems Toner concentration detector
US4026643A (en) * 1975-08-22 1977-05-31 Xerox Corporation Apparatus and method for measurement of the ratio of toner particle electrostatic charge to toner particle mass in electrostatographic devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112526843A (en) * 2019-09-19 2021-03-19 欧姆龙株式会社 Toner concentration sensor and image forming apparatus
CN112526843B (en) * 2019-09-19 2023-08-25 欧姆龙株式会社 Toner concentration sensor and image forming apparatus
CN112630375A (en) * 2020-07-31 2021-04-09 南通贝得彩色印刷有限公司 Environment-friendly detection method and device for color printing device
CN112630375B (en) * 2020-07-31 2022-03-29 南通贝得彩色印刷有限公司 Environment-friendly detection method and device for color printing device

Also Published As

Publication number Publication date
BR8106703A (en) 1982-07-06
EP0050528A2 (en) 1982-04-28
MX149815A (en) 1983-12-26
JPS5797429A (en) 1982-06-17
EP0050528A3 (en) 1982-06-02
EP0050528B1 (en) 1985-12-18
CA1160278A (en) 1984-01-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee