JPH0450596B2 - - Google Patents

Info

Publication number
JPH0450596B2
JPH0450596B2 JP57036517A JP3651782A JPH0450596B2 JP H0450596 B2 JPH0450596 B2 JP H0450596B2 JP 57036517 A JP57036517 A JP 57036517A JP 3651782 A JP3651782 A JP 3651782A JP H0450596 B2 JPH0450596 B2 JP H0450596B2
Authority
JP
Japan
Prior art keywords
magnetic
developer
concentration
detection device
shielding member
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
JP57036517A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58153974A (ja
Inventor
Masayoshi Furuichi
Morio Oota
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.)
KASHIO DENSHI KOGYO KK
KASHIO KEISANKI KK
Original Assignee
KASHIO DENSHI KOGYO KK
KASHIO KEISANKI KK
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 KASHIO DENSHI KOGYO KK, KASHIO KEISANKI KK filed Critical KASHIO DENSHI KOGYO KK
Priority to JP3651782A priority Critical patent/JPS58153974A/ja
Publication of JPS58153974A publication Critical patent/JPS58153974A/ja
Publication of JPH0450596B2 publication Critical patent/JPH0450596B2/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
    • 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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Dry Development In Electrophotography (AREA)
JP3651782A 1982-03-10 1982-03-10 現像剤の濃度検知装置 Granted JPS58153974A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3651782A JPS58153974A (ja) 1982-03-10 1982-03-10 現像剤の濃度検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3651782A JPS58153974A (ja) 1982-03-10 1982-03-10 現像剤の濃度検知装置

Publications (2)

Publication Number Publication Date
JPS58153974A JPS58153974A (ja) 1983-09-13
JPH0450596B2 true JPH0450596B2 (enrdf_load_stackoverflow) 1992-08-14

Family

ID=12472005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3651782A Granted JPS58153974A (ja) 1982-03-10 1982-03-10 現像剤の濃度検知装置

Country Status (1)

Country Link
JP (1) JPS58153974A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61160778A (ja) * 1985-01-08 1986-07-21 Sharp Corp 現像剤の濃度制御装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55164850A (en) * 1979-06-12 1980-12-22 Copyer Co Ltd Toner concentration detector

Also Published As

Publication number Publication date
JPS58153974A (ja) 1983-09-13

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