JPS59127074A - 現像剤残量検出装置 - Google Patents

現像剤残量検出装置

Info

Publication number
JPS59127074A
JPS59127074A JP227783A JP227783A JPS59127074A JP S59127074 A JPS59127074 A JP S59127074A JP 227783 A JP227783 A JP 227783A JP 227783 A JP227783 A JP 227783A JP S59127074 A JPS59127074 A JP S59127074A
Authority
JP
Japan
Prior art keywords
developer
oscillation
circuit
voltage
oscillation circuit
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
JP227783A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0510666B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Masami Joraku
常楽　雅美
Hideki Sasaki
秀樹 佐々木
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)
  • Dry Development In Electrophotography (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (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 true JPS59127074A (ja) 1984-07-21
JPH0510666B2 JPH0510666B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPH0510666B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-02-10

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