JPH0236948B2 - - Google Patents

Info

Publication number
JPH0236948B2
JPH0236948B2 JP54143949A JP14394979A JPH0236948B2 JP H0236948 B2 JPH0236948 B2 JP H0236948B2 JP 54143949 A JP54143949 A JP 54143949A JP 14394979 A JP14394979 A JP 14394979A JP H0236948 B2 JPH0236948 B2 JP H0236948B2
Authority
JP
Japan
Prior art keywords
original
document
color
density
bias voltage
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
JP54143949A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5667856A (en
Inventor
Koji Yugawa
Katsuyuki Myazaki
Takashi Murahashi
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP14394979A priority Critical patent/JPS5667856A/ja
Priority to DE3040366A priority patent/DE3040366C2/de
Priority to US06/200,977 priority patent/US4372674A/en
Publication of JPS5667856A publication Critical patent/JPS5667856A/ja
Publication of JPH0236948B2 publication Critical patent/JPH0236948B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Developing For Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Control Or Security For Electrophotography (AREA)
JP14394979A 1979-10-29 1979-11-07 Ground color detector of original in copying machine Granted JPS5667856A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP14394979A JPS5667856A (en) 1979-11-07 1979-11-07 Ground color detector of original in copying machine
DE3040366A DE3040366C2 (de) 1979-10-29 1980-10-25 Einrichtung zum Regeln der Belichtung oder Entwicklung in einem Kopiergerät beim Herstellen von Kopien mit weißem Untergrund von farbigen Vorlagen
US06/200,977 US4372674A (en) 1979-10-29 1980-10-27 Copying machine having detectors for the background color and density of the original

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14394979A JPS5667856A (en) 1979-11-07 1979-11-07 Ground color detector of original in copying machine

Publications (2)

Publication Number Publication Date
JPS5667856A JPS5667856A (en) 1981-06-08
JPH0236948B2 true JPH0236948B2 (enrdf_load_stackoverflow) 1990-08-21

Family

ID=15350791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14394979A Granted JPS5667856A (en) 1979-10-29 1979-11-07 Ground color detector of original in copying machine

Country Status (1)

Country Link
JP (1) JPS5667856A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58118662A (ja) * 1982-01-08 1983-07-14 Ricoh Co Ltd 画像制御装置
JPS59135482A (ja) * 1983-01-22 1984-08-03 Canon Inc 画像形成装置
JPS6010267A (ja) * 1983-06-30 1985-01-19 Canon Inc 像形成装置
JPS6010268A (ja) * 1983-06-30 1985-01-19 Canon Inc 像形成装置
JPS6010269A (ja) * 1983-06-30 1985-01-19 Canon Inc 像形成装置
JPS60112058A (ja) * 1983-11-22 1985-06-18 Matsushita Electric Ind Co Ltd 電子写真複写機

Also Published As

Publication number Publication date
JPS5667856A (en) 1981-06-08

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