DE3581234D1 - Geraet zur feststellung der anwesenheit von tonerteilchen. - Google Patents

Geraet zur feststellung der anwesenheit von tonerteilchen.

Info

Publication number
DE3581234D1
DE3581234D1 DE8585303730T DE3581234T DE3581234D1 DE 3581234 D1 DE3581234 D1 DE 3581234D1 DE 8585303730 T DE8585303730 T DE 8585303730T DE 3581234 T DE3581234 T DE 3581234T DE 3581234 D1 DE3581234 D1 DE 3581234D1
Authority
DE
Germany
Prior art keywords
determining
toner particles
toner
particles
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 - Fee Related
Application number
DE8585303730T
Other languages
English (en)
Inventor
Jeffrey J Folkins
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 DE3581234D1 publication Critical patent/DE3581234D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • 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
    • G03G15/0851—Detection or control means for the developer concentration the concentration being measured by electrical 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
    • G03G15/06—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
    • G03G15/0856—Detection or control means for the developer level
    • G03G15/086—Detection or control means for the developer level the level being measured by electro-magnetic means
DE8585303730T 1984-06-01 1985-05-28 Geraet zur feststellung der anwesenheit von tonerteilchen. Expired - Fee Related DE3581234D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/616,033 US4611900A (en) 1984-06-01 1984-06-01 Apparatus for sensing the presence of toner particles

Publications (1)

Publication Number Publication Date
DE3581234D1 true DE3581234D1 (de) 1991-02-14

Family

ID=24467781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585303730T Expired - Fee Related DE3581234D1 (de) 1984-06-01 1985-05-28 Geraet zur feststellung der anwesenheit von tonerteilchen.

Country Status (4)

Country Link
US (1) US4611900A (de)
EP (1) EP0164243B1 (de)
JP (1) JPS60263178A (de)
DE (1) DE3581234D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186818B (en) * 1986-02-20 1990-07-11 Ricoh Kk Developing electrostatic latent images
US4733268A (en) * 1986-05-09 1988-03-22 International Business Machines Corporation Voltage control bar for electrophotography
US4931835A (en) * 1988-11-14 1990-06-05 Eastman Kodak Company Apparatus for monitoring developer mixture
JPH0343768A (ja) * 1989-07-11 1991-02-25 Ricoh Co Ltd 現像装置
GB201705755D0 (en) 2017-04-10 2017-05-24 Norwegian Univ Of Science And Tech (Ntnu) Nanostructure

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376853A (en) * 1966-04-29 1968-04-09 Xerox Corp Electrostatic toner control
US3892672A (en) * 1970-08-21 1975-07-01 Addressograph Multigraph Automatic toner concentrate detector and control device
JPS5619637B2 (de) * 1973-06-20 1981-05-08
DE2621912C3 (de) * 1976-05-17 1979-06-07 Elfotec Ag, Zumikon (Schweiz) Verfahren zur Entwicklung eines elektrischen Ladungsbildes auf einem wiederholt verwendbaren Ladungsbildträger und zur Reinigung des wiederholt verwendbaren Ladungsbildträgers
JPS6024465B2 (ja) * 1977-03-26 1985-06-13 コニカ株式会社 トナ−濃度制御方法および装置
US4343548A (en) * 1980-05-19 1982-08-10 Xerox Corporation Control system for regulating the concentration of toner particles within a developer mixture
JPS57130051A (en) * 1981-02-06 1982-08-12 Ricoh Co Ltd Developing method
JPS5919974A (ja) * 1982-07-26 1984-02-01 Matsushita Electric Ind Co Ltd 現像装置
JPS5944074A (ja) * 1982-09-06 1984-03-12 Comput Basic Mach Technol Res Assoc トナ−供給分配機構
JPS5975270A (ja) * 1982-10-22 1984-04-27 Katsuragawa Denki Kk 電子写真装置用現像装置
US4524088A (en) * 1983-01-31 1985-06-18 Magnetic Technologies Corp. Method and apparatus for controlling the thickness of developer on an applicator, such as a magnetic brush, in electrostatic reproduction
JPS59206851A (ja) * 1983-05-10 1984-11-22 Konishiroku Photo Ind Co Ltd 現像装置

Also Published As

Publication number Publication date
JPS60263178A (ja) 1985-12-26
US4611900A (en) 1986-09-16
JPH0581038B2 (de) 1993-11-11
EP0164243A3 (en) 1987-09-09
EP0164243B1 (de) 1991-01-09
EP0164243A2 (de) 1985-12-11

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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