JPS58105260A - 現像剤の濃度検知装置 - Google Patents

現像剤の濃度検知装置

Info

Publication number
JPS58105260A
JPS58105260A JP20365081A JP20365081A JPS58105260A JP S58105260 A JPS58105260 A JP S58105260A JP 20365081 A JP20365081 A JP 20365081A JP 20365081 A JP20365081 A JP 20365081A JP S58105260 A JPS58105260 A JP S58105260A
Authority
JP
Japan
Prior art keywords
developer
coil
magnetic
concentration
current
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.)
Granted
Application number
JP20365081A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0122618B2 (enrdf_load_stackoverflow
Inventor
Masayoshi Furuichi
正義 古市
Morio Oota
太田　守雄
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.)
I D KK
Casio Computer Co Ltd
Original Assignee
I D KK
Casio Computer Co 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 I D KK, Casio Computer Co Ltd filed Critical I D KK
Priority to JP20365081A priority Critical patent/JPS58105260A/ja
Publication of JPS58105260A publication Critical patent/JPS58105260A/ja
Publication of JPH0122618B2 publication Critical patent/JPH0122618B2/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)
  • Dry Development In Electrophotography (AREA)
JP20365081A 1981-12-18 1981-12-18 現像剤の濃度検知装置 Granted JPS58105260A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20365081A JPS58105260A (ja) 1981-12-18 1981-12-18 現像剤の濃度検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20365081A JPS58105260A (ja) 1981-12-18 1981-12-18 現像剤の濃度検知装置

Publications (2)

Publication Number Publication Date
JPS58105260A true JPS58105260A (ja) 1983-06-23
JPH0122618B2 JPH0122618B2 (enrdf_load_stackoverflow) 1989-04-27

Family

ID=16477554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20365081A Granted JPS58105260A (ja) 1981-12-18 1981-12-18 現像剤の濃度検知装置

Country Status (1)

Country Link
JP (1) JPS58105260A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0122618B2 (enrdf_load_stackoverflow) 1989-04-27

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