JPS55127573A - Gain adjusting method of toner image detector in electrophotographic copier - Google Patents

Gain adjusting method of toner image detector in electrophotographic copier

Info

Publication number
JPS55127573A
JPS55127573A JP3423379A JP3423379A JPS55127573A JP S55127573 A JPS55127573 A JP S55127573A JP 3423379 A JP3423379 A JP 3423379A JP 3423379 A JP3423379 A JP 3423379A JP S55127573 A JPS55127573 A JP S55127573A
Authority
JP
Japan
Prior art keywords
detector
amplifying circuit
gain adjusting
gain
circuit
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
JP3423379A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0314186B2 (cs
Inventor
Masaaki 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 JP3423379A priority Critical patent/JPS55127573A/ja
Publication of JPS55127573A publication Critical patent/JPS55127573A/ja
Publication of JPH0314186B2 publication Critical patent/JPH0314186B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Developing For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP3423379A 1979-03-26 1979-03-26 Gain adjusting method of toner image detector in electrophotographic copier Granted JPS55127573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3423379A JPS55127573A (en) 1979-03-26 1979-03-26 Gain adjusting method of toner image detector in electrophotographic copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3423379A JPS55127573A (en) 1979-03-26 1979-03-26 Gain adjusting method of toner image detector in electrophotographic copier

Publications (2)

Publication Number Publication Date
JPS55127573A true JPS55127573A (en) 1980-10-02
JPH0314186B2 JPH0314186B2 (cs) 1991-02-26

Family

ID=12408424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3423379A Granted JPS55127573A (en) 1979-03-26 1979-03-26 Gain adjusting method of toner image detector in electrophotographic copier

Country Status (1)

Country Link
JP (1) JPS55127573A (cs)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5633661A (en) * 1979-08-29 1981-04-04 Toshiba Corp Copying machine
JPH0297979A (ja) * 1988-10-05 1990-04-10 Toshiba Corp 露光制御装置
JPH02197860A (ja) * 1989-01-27 1990-08-06 Ricoh Co Ltd 画像形成装置
JPH0341484A (ja) * 1989-07-07 1991-02-21 Konica Corp 画像濃度読取り装置
JPH0341478A (ja) * 1989-07-07 1991-02-21 Konica Corp 画像濃度読取り装置
JPH06317524A (ja) * 1993-05-10 1994-11-15 Sharp Corp 自動画質補償制御装置
US5402209A (en) * 1992-08-27 1995-03-28 Sharp Kabushiki Kaisha Electrophotographic reproduction apparatus controllable toner density and method thereof for controlling an electrophotographic reproduction process

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5393030A (en) * 1977-01-27 1978-08-15 Ricoh Co Ltd Copying process control method of electrophotographic copying machine
JPS546561A (en) * 1977-06-16 1979-01-18 Toshiba Corp Developer concentration controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5393030A (en) * 1977-01-27 1978-08-15 Ricoh Co Ltd Copying process control method of electrophotographic copying machine
JPS546561A (en) * 1977-06-16 1979-01-18 Toshiba Corp Developer concentration controller

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5633661A (en) * 1979-08-29 1981-04-04 Toshiba Corp Copying machine
JPH0297979A (ja) * 1988-10-05 1990-04-10 Toshiba Corp 露光制御装置
JPH02197860A (ja) * 1989-01-27 1990-08-06 Ricoh Co Ltd 画像形成装置
JPH0341484A (ja) * 1989-07-07 1991-02-21 Konica Corp 画像濃度読取り装置
JPH0341478A (ja) * 1989-07-07 1991-02-21 Konica Corp 画像濃度読取り装置
US5402209A (en) * 1992-08-27 1995-03-28 Sharp Kabushiki Kaisha Electrophotographic reproduction apparatus controllable toner density and method thereof for controlling an electrophotographic reproduction process
JPH06317524A (ja) * 1993-05-10 1994-11-15 Sharp Corp 自動画質補償制御装置

Also Published As

Publication number Publication date
JPH0314186B2 (cs) 1991-02-26

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