JPS6157967A - 現像剤の濃度制御装置 - Google Patents

現像剤の濃度制御装置

Info

Publication number
JPS6157967A
JPS6157967A JP18209384A JP18209384A JPS6157967A JP S6157967 A JPS6157967 A JP S6157967A JP 18209384 A JP18209384 A JP 18209384A JP 18209384 A JP18209384 A JP 18209384A JP S6157967 A JPS6157967 A JP S6157967A
Authority
JP
Japan
Prior art keywords
developer
sensor
magnet
pole
toner
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
JP18209384A
Other languages
English (en)
Japanese (ja)
Other versions
JPH045386B2 (en]
Inventor
Teiichi Nishikawa
禎一 西川
Masahito Asanuma
雅人 浅沼
Yoshiki Ichikawa
善樹 市川
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP18209384A priority Critical patent/JPS6157967A/ja
Publication of JPS6157967A publication Critical patent/JPS6157967A/ja
Publication of JPH045386B2 publication Critical patent/JPH045386B2/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)
JP18209384A 1984-08-29 1984-08-29 現像剤の濃度制御装置 Granted JPS6157967A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18209384A JPS6157967A (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
JP18209384A JPS6157967A (ja) 1984-08-29 1984-08-29 現像剤の濃度制御装置

Publications (2)

Publication Number Publication Date
JPS6157967A true JPS6157967A (ja) 1986-03-25
JPH045386B2 JPH045386B2 (en]) 1992-01-31

Family

ID=16112227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18209384A Granted JPS6157967A (ja) 1984-08-29 1984-08-29 現像剤の濃度制御装置

Country Status (1)

Country Link
JP (1) JPS6157967A (en])

Citations (5)

* 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
JPS53107850A (en) * 1977-03-02 1978-09-20 Hitachi Ltd Toner concentration detector of developing powder
JPS53125844A (en) * 1977-04-11 1978-11-02 Matsushita Electric Ind Co Ltd Developing apparatus for electrostatic photography
JPS56168671A (en) * 1980-05-29 1981-12-24 Hitachi Metals Ltd Magnetic brush developing device
JPS57184951U (en]) * 1981-05-20 1982-11-24

Patent Citations (5)

* 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
JPS53107850A (en) * 1977-03-02 1978-09-20 Hitachi Ltd Toner concentration detector of developing powder
JPS53125844A (en) * 1977-04-11 1978-11-02 Matsushita Electric Ind Co Ltd Developing apparatus for electrostatic photography
JPS56168671A (en) * 1980-05-29 1981-12-24 Hitachi Metals Ltd Magnetic brush developing device
JPS57184951U (en]) * 1981-05-20 1982-11-24

Also Published As

Publication number Publication date
JPH045386B2 (en]) 1992-01-31

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