JPS6257993B2 - - Google Patents

Info

Publication number
JPS6257993B2
JPS6257993B2 JP15303580A JP15303580A JPS6257993B2 JP S6257993 B2 JPS6257993 B2 JP S6257993B2 JP 15303580 A JP15303580 A JP 15303580A JP 15303580 A JP15303580 A JP 15303580A JP S6257993 B2 JPS6257993 B2 JP S6257993B2
Authority
JP
Japan
Prior art keywords
magnetic
toner concentration
shielding member
shaped
concentration detection
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
Application number
JP15303580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5776572A (en
Inventor
Atsushi Arai
Masao Masumura
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15303580A priority Critical patent/JPS5776572A/ja
Publication of JPS5776572A publication Critical patent/JPS5776572A/ja
Publication of JPS6257993B2 publication Critical patent/JPS6257993B2/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)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP15303580A 1980-10-31 1980-10-31 Dry type developing device Granted JPS5776572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15303580A JPS5776572A (en) 1980-10-31 1980-10-31 Dry type developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15303580A JPS5776572A (en) 1980-10-31 1980-10-31 Dry type developing device

Publications (2)

Publication Number Publication Date
JPS5776572A JPS5776572A (en) 1982-05-13
JPS6257993B2 true JPS6257993B2 (de) 1987-12-03

Family

ID=15553540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15303580A Granted JPS5776572A (en) 1980-10-31 1980-10-31 Dry type developing device

Country Status (1)

Country Link
JP (1) JPS5776572A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD587766S1 (en) 2006-07-20 2009-03-03 Kee Action Sports I Llc Paintball field marker

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635248Y2 (ja) * 1987-07-17 1994-09-14 三田工業株式会社 画像形成装置の現像装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD587766S1 (en) 2006-07-20 2009-03-03 Kee Action Sports I Llc Paintball field marker

Also Published As

Publication number Publication date
JPS5776572A (en) 1982-05-13

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