JPH0510666B2 - - Google Patents

Info

Publication number
JPH0510666B2
JPH0510666B2 JP227783A JP227783A JPH0510666B2 JP H0510666 B2 JPH0510666 B2 JP H0510666B2 JP 227783 A JP227783 A JP 227783A JP 227783 A JP227783 A JP 227783A JP H0510666 B2 JPH0510666 B2 JP H0510666B2
Authority
JP
Japan
Prior art keywords
developer
oscillation
circuit
remaining amount
magnetic
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
JP227783A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59127074A (ja
Inventor
Masami Joraku
Hideki Sasaki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP227783A priority Critical patent/JPS59127074A/ja
Publication of JPS59127074A publication Critical patent/JPS59127074A/ja
Publication of JPH0510666B2 publication Critical patent/JPH0510666B2/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
    • G03G15/0856—Detection or control means for the developer level
    • 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
    • G03G15/0856—Detection or control means for the developer level
    • G03G15/086—Detection or control means for the developer level the level being measured by electro-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)
JP227783A 1983-01-12 1983-01-12 現像剤残量検出装置 Granted JPS59127074A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP227783A JPS59127074A (ja) 1983-01-12 1983-01-12 現像剤残量検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP227783A JPS59127074A (ja) 1983-01-12 1983-01-12 現像剤残量検出装置

Publications (2)

Publication Number Publication Date
JPS59127074A JPS59127074A (ja) 1984-07-21
JPH0510666B2 true JPH0510666B2 (enrdf_load_html_response) 1993-02-10

Family

ID=11524868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP227783A Granted JPS59127074A (ja) 1983-01-12 1983-01-12 現像剤残量検出装置

Country Status (1)

Country Link
JP (1) JPS59127074A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS59127074A (ja) 1984-07-21

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