JPS578564A - Method and device for controlling toner particle density in developer - Google Patents

Method and device for controlling toner particle density in developer

Info

Publication number
JPS578564A
JPS578564A JP7126881A JP7126881A JPS578564A JP S578564 A JPS578564 A JP S578564A JP 7126881 A JP7126881 A JP 7126881A JP 7126881 A JP7126881 A JP 7126881A JP S578564 A JPS578564 A JP S578564A
Authority
JP
Japan
Prior art keywords
developer
toner particle
particle density
controlling toner
controlling
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
JP7126881A
Other languages
English (en)
Inventor
Baresu Jiyan
Shii Mahaa Jieemusu
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
Publication of JPS578564A publication Critical patent/JPS578564A/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
    • G03G15/0851—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
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S222/00—Dispensing
    • Y10S222/01—Xerography

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
JP7126881A 1980-05-19 1981-05-12 Method and device for controlling toner particle density in developer Pending JPS578564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/151,234 US4343548A (en) 1980-05-19 1980-05-19 Control system for regulating the concentration of toner particles within a developer mixture

Publications (1)

Publication Number Publication Date
JPS578564A true JPS578564A (en) 1982-01-16

Family

ID=22537875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7126881A Pending JPS578564A (en) 1980-05-19 1981-05-12 Method and device for controlling toner particle density in developer

Country Status (3)

Country Link
US (1) US4343548A (ja)
JP (1) JPS578564A (ja)
DE (1) DE3115345A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263178A (ja) * 1984-06-01 1985-12-26 ゼロツクス　コーポレーシヨン トナー粒子の存在を検知する装置

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468112A (en) * 1981-02-18 1984-08-28 Canon Kabushiki Kaisha Developer concentration controlling device
US4462680A (en) * 1981-05-20 1984-07-31 Canon Kabushiki Kaisha Apparatus for controlling toner density
US4682874A (en) * 1981-11-19 1987-07-28 Xerox Corporation Particle level indicator
EP0086594B1 (en) * 1982-02-16 1989-04-19 Xerox Corporation Apparatus for sensing electrostatically charged particles
JPS58169161A (ja) * 1982-03-31 1983-10-05 Mita Ind Co Ltd 静電潜像現像装置
US4572661A (en) * 1982-08-30 1986-02-25 Monroe Systems For Business, Inc. Tester for a copier
US4648702A (en) * 1982-10-27 1987-03-10 Canon Kabushiki Kaisha Toner density detector and toner supplier
JPS5986074A (ja) * 1982-11-09 1984-05-18 Ricoh Co Ltd 電子写真複写機におけるトナ−補給量の制御方法
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
DE3376890D1 (ja) * 1983-11-01 1988-07-07 Agfa-Gevaert Naamloze Vennootschap
US4491408A (en) * 1984-01-03 1985-01-01 Xerox Corporation Electrostatographic system development modulation
US4565438A (en) * 1984-02-01 1986-01-21 Xerox Corporation Development system using electrically field dependent developer material
US5237371A (en) * 1988-09-20 1993-08-17 Hitachi, Ltd. Developing apparatus having charger for controlling charge on developer
US4931835A (en) * 1988-11-14 1990-06-05 Eastman Kodak Company Apparatus for monitoring developer mixture
US4972230A (en) * 1989-10-31 1990-11-20 Xerox Corporation Toner usage detector based on current biasing mixing means
US5447056A (en) * 1994-06-03 1995-09-05 Hewlett-Packard Company Toner concentration control system for liquid electrophotography
US5598251A (en) * 1995-05-15 1997-01-28 Lexmark International, Inc. Concentration sensing by viscosity measurement
JP3199993B2 (ja) * 1995-10-23 2001-08-20 シャープ株式会社 現像剤帯電量測定装置
US20120027432A1 (en) * 2010-07-30 2012-02-02 Brown Kenneth J Electrophotographic developer flow rate measurement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527651A (en) * 1966-10-20 1970-09-08 Addressograph Multigraph Method of and apparatus for developing electrostatic images
US3719165A (en) 1971-09-03 1973-03-06 Eastman Kodak Co Tuner concentration control apparatus
AU467941B2 (en) * 1971-09-25 1975-12-18 Hoechst Aktiengesellschaft Method of and apparatus for measuring or measuring and replacing toner consumed inan electrophotographic reproduction machine
US3821938A (en) * 1971-12-17 1974-07-02 Ibm Toner usage sensing system
JPS5619637B2 (ja) * 1973-06-20 1981-05-08
US3999687A (en) * 1974-07-17 1976-12-28 Savin Business Machines Corporation Toner concentration detector
JPS5913027B2 (ja) * 1975-11-26 1984-03-27 株式会社リコー フクスウマイフクシヤホウホウ
US4064834A (en) * 1976-11-19 1977-12-27 A. B. Dick Company Apparatus for sensing the concentration of toner in a developer mix

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263178A (ja) * 1984-06-01 1985-12-26 ゼロツクス　コーポレーシヨン トナー粒子の存在を検知する装置
JPH0581038B2 (ja) * 1984-06-01 1993-11-11 Xerox Corp

Also Published As

Publication number Publication date
DE3115345A1 (de) 1982-02-25
US4343548A (en) 1982-08-10

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