JPS5410743A - Image forming apparatus - Google Patents

Image forming apparatus

Info

Publication number
JPS5410743A
JPS5410743A JP7639077A JP7639077A JPS5410743A JP S5410743 A JPS5410743 A JP S5410743A JP 7639077 A JP7639077 A JP 7639077A JP 7639077 A JP7639077 A JP 7639077A JP S5410743 A JPS5410743 A JP S5410743A
Authority
JP
Japan
Prior art keywords
image forming
forming apparatus
fog
bright
checking
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
JP7639077A
Other languages
Japanese (ja)
Inventor
Susumu Sugiura
Seiji Saito
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 JP7639077A priority Critical patent/JPS5410743A/en
Publication of JPS5410743A publication Critical patent/JPS5410743A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)

Abstract

PURPOSE:To eliminate any fog of the background and to improve the image contrast by monitoring the bright and dark portions of an original to directly produce a signal light with an exposing light source so that a checking electrostatic pattern may be formed on a photosensitive element for the control purpose.
JP7639077A 1977-06-27 1977-06-27 Image forming apparatus Pending JPS5410743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7639077A JPS5410743A (en) 1977-06-27 1977-06-27 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7639077A JPS5410743A (en) 1977-06-27 1977-06-27 Image forming apparatus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP59132295A Division JPS6095453A (en) 1984-06-27 1984-06-27 Image forming device

Publications (1)

Publication Number Publication Date
JPS5410743A true JPS5410743A (en) 1979-01-26

Family

ID=13603988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7639077A Pending JPS5410743A (en) 1977-06-27 1977-06-27 Image forming apparatus

Country Status (1)

Country Link
JP (1) JPS5410743A (en)

Cited By (15)

* 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
JPS5688152A (en) * 1979-12-13 1981-07-17 Ibm Device for measuring photconductor charges and maintaining same at desired value
JPS56133759A (en) * 1980-03-25 1981-10-20 Canon Inc Image reproducing method
JPS56161556A (en) * 1980-05-19 1981-12-11 Fuji Xerox Co Ltd Method for controlling electrophotographic copying machine
JPS56164355A (en) * 1980-05-22 1981-12-17 Fuji Xerox Co Ltd Image density detector of electrophotographic copying machine
JPS5722272A (en) * 1980-07-17 1982-02-05 Canon Inc Electrophotographic method
JPS5722271A (en) * 1980-07-17 1982-02-05 Canon Inc Electrophotographic method
JPS57196266A (en) * 1981-05-29 1982-12-02 Fuji Xerox Co Ltd Controlling method and device for electronic copying machine
JPS5827154A (en) * 1981-08-07 1983-02-17 インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン Monitoring for action of copying machine
JPS5886563A (en) * 1981-11-18 1983-05-24 Fuji Xerox Co Ltd Electrophotographic copying machine
JPS6049351A (en) * 1983-08-27 1985-03-18 Mita Ind Co Ltd Image output device
JPS6067973A (en) * 1983-09-22 1985-04-18 Canon Inc Image processor
JPS6080871A (en) * 1983-10-08 1985-05-08 Canon Inc Device for controlling electrifying potential of electrophotographic device
JPS63132262A (en) * 1987-03-26 1988-06-04 Ricoh Co Ltd Electrophotographic copying method
JPH01118157A (en) * 1988-05-20 1989-05-10 Fuji Xerox Co Ltd Image density detecting device for an electronic copying machine

Cited By (21)

* 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
JPS6360389B2 (en) * 1979-08-29 1988-11-24
JPS5688152A (en) * 1979-12-13 1981-07-17 Ibm Device for measuring photconductor charges and maintaining same at desired value
JPH0261027B2 (en) * 1979-12-13 1990-12-18 Intaanashonaru Bijinesu Mashiinzu Corp
JPS56133759A (en) * 1980-03-25 1981-10-20 Canon Inc Image reproducing method
JPS56161556A (en) * 1980-05-19 1981-12-11 Fuji Xerox Co Ltd Method for controlling electrophotographic copying machine
JPS56164355A (en) * 1980-05-22 1981-12-17 Fuji Xerox Co Ltd Image density detector of electrophotographic copying machine
JPH0413708B2 (en) * 1980-05-22 1992-03-10 Fuji Xerox Co Ltd
JPH0368388B2 (en) * 1980-07-17 1991-10-28 Canon Kk
JPS5722271A (en) * 1980-07-17 1982-02-05 Canon Inc Electrophotographic method
JPH0368389B2 (en) * 1980-07-17 1991-10-28 Canon Kk
JPS5722272A (en) * 1980-07-17 1982-02-05 Canon Inc Electrophotographic method
JPS57196266A (en) * 1981-05-29 1982-12-02 Fuji Xerox Co Ltd Controlling method and device for electronic copying machine
JPH0326389B2 (en) * 1981-05-29 1991-04-10 Fuji Xerox Co Ltd
JPS5827154A (en) * 1981-08-07 1983-02-17 インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン Monitoring for action of copying machine
JPS5886563A (en) * 1981-11-18 1983-05-24 Fuji Xerox Co Ltd Electrophotographic copying machine
JPS6049351A (en) * 1983-08-27 1985-03-18 Mita Ind Co Ltd Image output device
JPS6067973A (en) * 1983-09-22 1985-04-18 Canon Inc Image processor
JPS6080871A (en) * 1983-10-08 1985-05-08 Canon Inc Device for controlling electrifying potential of electrophotographic device
JPS63132262A (en) * 1987-03-26 1988-06-04 Ricoh Co Ltd Electrophotographic copying method
JPH01118157A (en) * 1988-05-20 1989-05-10 Fuji Xerox Co Ltd Image density detecting device for an electronic copying machine

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