JPH0442674B2 - - Google Patents

Info

Publication number
JPH0442674B2
JPH0442674B2 JP58168980A JP16898083A JPH0442674B2 JP H0442674 B2 JPH0442674 B2 JP H0442674B2 JP 58168980 A JP58168980 A JP 58168980A JP 16898083 A JP16898083 A JP 16898083A JP H0442674 B2 JPH0442674 B2 JP H0442674B2
Authority
JP
Japan
Prior art keywords
color toner
light
color
infrared light
conductive
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
JP58168980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6060665A (ja
Inventor
Tooru Tanaka
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 JP58168980A priority Critical patent/JPS6060665A/ja
Publication of JPS6060665A publication Critical patent/JPS6060665A/ja
Publication of JPH0442674B2 publication Critical patent/JPH0442674B2/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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Dry Development In Electrophotography (AREA)
JP58168980A 1983-09-13 1983-09-13 複写機用カラ−トナ−濃度検出装置 Granted JPS6060665A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58168980A JPS6060665A (ja) 1983-09-13 1983-09-13 複写機用カラ−トナ−濃度検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58168980A JPS6060665A (ja) 1983-09-13 1983-09-13 複写機用カラ−トナ−濃度検出装置

Publications (2)

Publication Number Publication Date
JPS6060665A JPS6060665A (ja) 1985-04-08
JPH0442674B2 true JPH0442674B2 (en]) 1992-07-14

Family

ID=15878119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58168980A Granted JPS6060665A (ja) 1983-09-13 1983-09-13 複写機用カラ−トナ−濃度検出装置

Country Status (1)

Country Link
JP (1) JPS6060665A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2584136B2 (ja) * 1991-03-01 1997-02-19 松下電器産業株式会社 画像形成装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS607792B2 (ja) * 1977-03-02 1985-02-27 キヤノン株式会社 現像剤の濃度検出方法
JPS5774763A (en) * 1980-10-28 1982-05-11 Canon Inc Developer density controller

Also Published As

Publication number Publication date
JPS6060665A (ja) 1985-04-08

Similar Documents

Publication Publication Date Title
JP3149942B2 (ja) カラー粉末現像剤の濃度計
JP2918045B2 (ja) 画像濃度制御装置
JP3122502B2 (ja) 感光体上のトナー濃度を測定する濃度計とそれを有する電子写真装置
US4141645A (en) Toner concentration monitor
JP3327659B2 (ja) 濃度測定装置及び画像形成装置
JPH0442674B2 (en])
JP3591144B2 (ja) 画像濃度検知方法および装置、画像濃度制御方法および装置、および画像形成装置
JPH0414766Y2 (en])
JPH0561369A (ja) 画像形成装置
JPH09247459A (ja) 画像形成装置
JPS6098462A (ja) 拡散反射型カラ−トナ−濃度検出装置
JPS6024564A (ja) カラ−トナ−濃度検出装置
JP3441595B2 (ja) 電子写真トナー付着量測定装置
JPS6024565A (ja) カラ−トナ−濃度検出装置
JPS6024568A (ja) カラ−トナ−濃度検出装置
JPS6024566A (ja) カラ−トナ−濃度検出装置
JPS6024569A (ja) 反射型カラ−トナ−濃度検出装置
JPS6073655A (ja) 複写機用カラ−トナ−濃度検出装置
JPS6220850Y2 (en])
JP2983332B2 (ja) 電子写真装置
JPS61201277A (ja) トナ−濃度制御方法
JP2650132B2 (ja) トナー濃度検知方法
JP2006038479A (ja) 透過率測定方法及び画像形成装置
JPH11249417A (ja) 現像装置
JPS60131574A (ja) 画像濃度制御方法