JPS5420742A - Concentration detecting method of developer - Google Patents

Concentration detecting method of developer

Info

Publication number
JPS5420742A
JPS5420742A JP8541877A JP8541877A JPS5420742A JP S5420742 A JPS5420742 A JP S5420742A JP 8541877 A JP8541877 A JP 8541877A JP 8541877 A JP8541877 A JP 8541877A JP S5420742 A JPS5420742 A JP S5420742A
Authority
JP
Japan
Prior art keywords
developer
detecting method
concentration detecting
light
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.)
Pending
Application number
JP8541877A
Other languages
Japanese (ja)
Inventor
Shuji Murakawa
Yujiro Ando
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 JP8541877A priority Critical patent/JPS5420742A/en
Publication of JPS5420742A publication Critical patent/JPS5420742A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To detect toner concentration accurately and sensitively from the magnitude of reflected light by contacting the developer composed of toner and carrier on one surface of a light transmittable member to let the toner be picked up thereon and radiating light through the light transmittable member.
JP8541877A 1977-07-15 1977-07-15 Concentration detecting method of developer Pending JPS5420742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8541877A JPS5420742A (en) 1977-07-15 1977-07-15 Concentration detecting method of developer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8541877A JPS5420742A (en) 1977-07-15 1977-07-15 Concentration detecting method of developer

Publications (1)

Publication Number Publication Date
JPS5420742A true JPS5420742A (en) 1979-02-16

Family

ID=13858251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8541877A Pending JPS5420742A (en) 1977-07-15 1977-07-15 Concentration detecting method of developer

Country Status (1)

Country Link
JP (1) JPS5420742A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637971A (en) * 1979-09-05 1981-04-11 Hitachi Ltd Controller for elevator
JPS58147764A (en) * 1982-02-16 1983-09-02 ゼロツクス・コ−ポレ−シヨン Electrophotographic printing machine
JPS61162871U (en) * 1985-03-28 1986-10-08
US5182429A (en) * 1991-05-23 1993-01-26 Westinghouse Electric Corp. System and method for laser welding the inner surface of a tube

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5080143A (en) * 1973-11-05 1975-06-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5080143A (en) * 1973-11-05 1975-06-30

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637971A (en) * 1979-09-05 1981-04-11 Hitachi Ltd Controller for elevator
JPS58147764A (en) * 1982-02-16 1983-09-02 ゼロツクス・コ−ポレ−シヨン Electrophotographic printing machine
JPH0467190B2 (en) * 1982-02-16 1992-10-27 Xerox Corp
JPS61162871U (en) * 1985-03-28 1986-10-08
US5182429A (en) * 1991-05-23 1993-01-26 Westinghouse Electric Corp. System and method for laser welding the inner surface of a tube

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