JPH0418306B2 - - Google Patents

Info

Publication number
JPH0418306B2
JPH0418306B2 JP59076590A JP7659084A JPH0418306B2 JP H0418306 B2 JPH0418306 B2 JP H0418306B2 JP 59076590 A JP59076590 A JP 59076590A JP 7659084 A JP7659084 A JP 7659084A JP H0418306 B2 JPH0418306 B2 JP H0418306B2
Authority
JP
Japan
Prior art keywords
magnetic
developer
toner concentration
sleeve
pole
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 - Lifetime
Application number
JP59076590A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60220375A (ja
Inventor
Katsutomo Oomika
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.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP7659084A priority Critical patent/JPS60220375A/ja
Publication of JPS60220375A publication Critical patent/JPS60220375A/ja
Publication of JPH0418306B2 publication Critical patent/JPH0418306B2/ja
Granted 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
    • 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
    • G03G15/0853—Detection or control means for the developer concentration the concentration being measured by magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP7659084A 1984-04-18 1984-04-18 現像装置 Granted JPS60220375A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7659084A JPS60220375A (ja) 1984-04-18 1984-04-18 現像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7659084A JPS60220375A (ja) 1984-04-18 1984-04-18 現像装置

Publications (2)

Publication Number Publication Date
JPS60220375A JPS60220375A (ja) 1985-11-05
JPH0418306B2 true JPH0418306B2 (enrdf_load_stackoverflow) 1992-03-27

Family

ID=13609517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7659084A Granted JPS60220375A (ja) 1984-04-18 1984-04-18 現像装置

Country Status (1)

Country Link
JP (1) JPS60220375A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0656531B2 (ja) * 1987-02-25 1994-07-27 シャープ株式会社 電子写真プロセスにおける現像装置
JPS63170856U (enrdf_load_stackoverflow) * 1987-04-27 1988-11-07

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099552A (enrdf_load_stackoverflow) * 1973-12-29 1975-08-07
JPS51105829A (ja) * 1975-03-14 1976-09-20 Hitachi Metals Ltd Jikiburashigenzoniokeru genzozairyo no sokuteihoho
JPS54153635A (en) * 1978-05-25 1979-12-04 Konishiroku Photo Ind Co Ltd Detecting and controlling method of toner contents in developer and device for said method

Also Published As

Publication number Publication date
JPS60220375A (ja) 1985-11-05

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