JPH048794B2 - - Google Patents

Info

Publication number
JPH048794B2
JPH048794B2 JP59182092A JP18209284A JPH048794B2 JP H048794 B2 JPH048794 B2 JP H048794B2 JP 59182092 A JP59182092 A JP 59182092A JP 18209284 A JP18209284 A JP 18209284A JP H048794 B2 JPH048794 B2 JP H048794B2
Authority
JP
Japan
Prior art keywords
developer
sensor
sleeve
toner
magnet
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
JP59182092A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6157974A (ja
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 filed Critical
Priority to JP18209284A priority Critical patent/JPS6157974A/ja
Publication of JPS6157974A publication Critical patent/JPS6157974A/ja
Publication of JPH048794B2 publication Critical patent/JPH048794B2/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)
JP18209284A 1984-08-29 1984-08-29 現像剤の濃度制御装置 Granted JPS6157974A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18209284A JPS6157974A (ja) 1984-08-29 1984-08-29 現像剤の濃度制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18209284A JPS6157974A (ja) 1984-08-29 1984-08-29 現像剤の濃度制御装置

Publications (2)

Publication Number Publication Date
JPS6157974A JPS6157974A (ja) 1986-03-25
JPH048794B2 true JPH048794B2 (en]) 1992-02-18

Family

ID=16112212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18209284A Granted JPS6157974A (ja) 1984-08-29 1984-08-29 現像剤の濃度制御装置

Country Status (1)

Country Link
JP (1) JPS6157974A (en])

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
JPH0792624B2 (ja) * 1988-09-30 1995-10-09 キヤノン株式会社 現像装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52123242A (en) * 1976-04-09 1977-10-17 Hitachi Ltd Detector for toner mixing ratio of developing agent
JPS59121079A (ja) * 1982-12-27 1984-07-12 Hitachi Metals Ltd 磁性トナ−検出体

Also Published As

Publication number Publication date
JPS6157974A (ja) 1986-03-25

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