JPH0551917B2 - - Google Patents

Info

Publication number
JPH0551917B2
JPH0551917B2 JP56207043A JP20704381A JPH0551917B2 JP H0551917 B2 JPH0551917 B2 JP H0551917B2 JP 56207043 A JP56207043 A JP 56207043A JP 20704381 A JP20704381 A JP 20704381A JP H0551917 B2 JPH0551917 B2 JP H0551917B2
Authority
JP
Japan
Prior art keywords
roll
developer
concentration
magnetic brush
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 - Lifetime
Application number
JP56207043A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58108563A (ja
Inventor
Akio Okamura
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox 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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP20704381A priority Critical patent/JPS58108563A/ja
Publication of JPS58108563A publication Critical patent/JPS58108563A/ja
Publication of JPH0551917B2 publication Critical patent/JPH0551917B2/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
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
JP20704381A 1981-12-23 1981-12-23 電子複写機の現像剤濃度検出装置 Granted JPS58108563A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20704381A JPS58108563A (ja) 1981-12-23 1981-12-23 電子複写機の現像剤濃度検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20704381A JPS58108563A (ja) 1981-12-23 1981-12-23 電子複写機の現像剤濃度検出装置

Publications (2)

Publication Number Publication Date
JPS58108563A JPS58108563A (ja) 1983-06-28
JPH0551917B2 true JPH0551917B2 (es) 1993-08-03

Family

ID=16533256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20704381A Granted JPS58108563A (ja) 1981-12-23 1981-12-23 電子複写機の現像剤濃度検出装置

Country Status (1)

Country Link
JP (1) JPS58108563A (es)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343534A (en) * 1976-10-01 1978-04-19 Toshiba Corp Control device for density of developing agent

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS575628Y2 (es) * 1972-11-07 1982-02-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343534A (en) * 1976-10-01 1978-04-19 Toshiba Corp Control device for density of developing agent

Also Published As

Publication number Publication date
JPS58108563A (ja) 1983-06-28

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