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JPS53107853A - Concentration detection method of developer - Google Patents

Concentration detection method of developer

Info

Publication number
JPS53107853A
JPS53107853A JP2249477A JP2249477A JPS53107853A JP S53107853 A JPS53107853 A JP S53107853A JP 2249477 A JP2249477 A JP 2249477A JP 2249477 A JP2249477 A JP 2249477A JP S53107853 A JPS53107853 A JP S53107853A
Authority
JP
Japan
Prior art keywords
developer
concentration detection
detection method
toner
dyes
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
JP2249477A
Other languages
Japanese (ja)
Other versions
JPS607792B2 (en
Inventor
Hidejiro Kadowaki
Naoki Iwami
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP52022494A priority Critical patent/JPS607792B2/en
Publication of JPS53107853A publication Critical patent/JPS53107853A/en
Publication of JPS607792B2 publication Critical patent/JPS607792B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

PURPOSE:To achieve the improvement in concentration detection accuracy by forming the toner in a developer as the toner mainly composed of organic pigments, dyes of a high reflection power of infrared region light and resin, etc.
JP52022494A 1977-03-02 1977-03-02 Developer concentration detection method Expired JPS607792B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52022494A JPS607792B2 (en) 1977-03-02 1977-03-02 Developer concentration detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52022494A JPS607792B2 (en) 1977-03-02 1977-03-02 Developer concentration detection method

Publications (2)

Publication Number Publication Date
JPS53107853A true JPS53107853A (en) 1978-09-20
JPS607792B2 JPS607792B2 (en) 1985-02-27

Family

ID=12084277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52022494A Expired JPS607792B2 (en) 1977-03-02 1977-03-02 Developer concentration detection method

Country Status (1)

Country Link
JP (1) JPS607792B2 (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161941A (en) * 1978-06-12 1979-12-22 Konishiroku Photo Ind Co Ltd Toner concentration detecting method in electrophotographic copier
JPS5619069A (en) * 1979-07-25 1981-02-23 Toshiba Corp Developer concentration detector
JPS5624376A (en) * 1979-08-04 1981-03-07 Ricoh Co Ltd Toner concentration control unit of developer
JPS5670442A (en) * 1979-11-14 1981-06-12 Ricoh Co Ltd Controlling device for density of toner
JPS57119363A (en) * 1981-01-17 1982-07-24 Canon Inc Black toner
JPS57172235A (en) * 1981-04-16 1982-10-23 Olympus Optical Co Ltd Detector for toner density
JPS6060665A (en) * 1983-09-13 1985-04-08 Fuji Xerox Co Ltd Color toner density detector for copying machine
JPS6114668A (en) * 1984-06-29 1986-01-22 Konishiroku Photo Ind Co Ltd Electrostatic recording device
EP0262902A2 (en) * 1986-09-30 1988-04-06 Mita Industrial Co. Ltd. Development process in electrophotography
JPS63177175A (en) * 1987-01-19 1988-07-21 Canon Inc Image forming device
JPS63177174A (en) * 1987-01-19 1988-07-21 Canon Inc Image forming device
JPS63223765A (en) * 1987-03-13 1988-09-19 Canon Inc Image forming device
JPS6413171A (en) * 1987-07-07 1989-01-18 Canon Kk Toner density detector
JP2008261864A (en) * 2008-04-28 2008-10-30 Ricoh Co Ltd Photosensor, and image formation device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61159334U (en) * 1985-03-22 1986-10-02
JPS6260191U (en) * 1985-10-05 1987-04-14
JPS62202193U (en) * 1986-06-11 1987-12-23
JPS63112972A (en) * 1986-10-30 1988-05-18 Shimada Kagaku Kogyo Kk Food activating apparatus
JPH04187069A (en) * 1990-11-22 1992-07-03 Kisaku Suzuki Thawing apparatus for frozen food
KR102052843B1 (en) * 2019-01-07 2019-12-06 도레이첨단소재 주식회사 Polarizer-protecting polyester film and manufacturing method thereof and polarization plate using the same

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161941A (en) * 1978-06-12 1979-12-22 Konishiroku Photo Ind Co Ltd Toner concentration detecting method in electrophotographic copier
JPS6337382B2 (en) * 1979-07-25 1988-07-25 Tokyo Shibaura Electric Co
JPS5619069A (en) * 1979-07-25 1981-02-23 Toshiba Corp Developer concentration detector
JPS5624376A (en) * 1979-08-04 1981-03-07 Ricoh Co Ltd Toner concentration control unit of developer
JPS5670442A (en) * 1979-11-14 1981-06-12 Ricoh Co Ltd Controlling device for density of toner
JPS57119363A (en) * 1981-01-17 1982-07-24 Canon Inc Black toner
JPS6355699B2 (en) * 1981-01-17 1988-11-04 Canon Kk
JPH0151770B2 (en) * 1981-04-16 1989-11-06 Olympus Optical Co
JPS57172235A (en) * 1981-04-16 1982-10-23 Olympus Optical Co Ltd Detector for toner density
JPS6060665A (en) * 1983-09-13 1985-04-08 Fuji Xerox Co Ltd Color toner density detector for copying machine
JPH0442674B2 (en) * 1983-09-13 1992-07-14 Fuji Xerox Co Ltd
JPS6114668A (en) * 1984-06-29 1986-01-22 Konishiroku Photo Ind Co Ltd Electrostatic recording device
JPH0473154B2 (en) * 1984-06-29 1992-11-20 Konishiroku Photo Ind
EP0262902A2 (en) * 1986-09-30 1988-04-06 Mita Industrial Co. Ltd. Development process in electrophotography
JPS63177175A (en) * 1987-01-19 1988-07-21 Canon Inc Image forming device
JPS63177174A (en) * 1987-01-19 1988-07-21 Canon Inc Image forming device
JPS63223765A (en) * 1987-03-13 1988-09-19 Canon Inc Image forming device
JPS6413171A (en) * 1987-07-07 1989-01-18 Canon Kk Toner density detector
JP2008261864A (en) * 2008-04-28 2008-10-30 Ricoh Co Ltd Photosensor, and image formation device
JP4639244B2 (en) * 2008-04-28 2011-02-23 株式会社リコー Optical sensor and image forming apparatus

Also Published As

Publication number Publication date
JPS607792B2 (en) 1985-02-27

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