JPS5379529A - Exposure cobtrol device for copier - Google Patents

Exposure cobtrol device for copier

Info

Publication number
JPS5379529A
JPS5379529A JP15505476A JP15505476A JPS5379529A JP S5379529 A JPS5379529 A JP S5379529A JP 15505476 A JP15505476 A JP 15505476A JP 15505476 A JP15505476 A JP 15505476A JP S5379529 A JPS5379529 A JP S5379529A
Authority
JP
Japan
Prior art keywords
cobtrol
copier
exposure
stop
light amount
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
JP15505476A
Other languages
Japanese (ja)
Inventor
Tadaaki Sugano
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15505476A priority Critical patent/JPS5379529A/en
Publication of JPS5379529A publication Critical patent/JPS5379529A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate the need of controlling the position between illuminating lamp and focus of reflecting mirror, and prevent the uneven light amount by causing two stops of diaphragm to interlock with each other, stopping down the aperture till immediately before the occurrence of the uneven illumination at thw whole slit width with the first stop, and stopping down the light amount more than the previous one with the second stop.
COPYRIGHT: (C)1978,JPO&Japio
JP15505476A 1976-12-24 1976-12-24 Exposure cobtrol device for copier Pending JPS5379529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15505476A JPS5379529A (en) 1976-12-24 1976-12-24 Exposure cobtrol device for copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15505476A JPS5379529A (en) 1976-12-24 1976-12-24 Exposure cobtrol device for copier

Publications (1)

Publication Number Publication Date
JPS5379529A true JPS5379529A (en) 1978-07-14

Family

ID=15597654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15505476A Pending JPS5379529A (en) 1976-12-24 1976-12-24 Exposure cobtrol device for copier

Country Status (1)

Country Link
JP (1) JPS5379529A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635130A (en) * 1979-08-31 1981-04-07 Fujitsu Ltd Resist material and method for forming resist pattern
JP2002012784A (en) * 2000-06-28 2002-01-15 Dainippon Ink & Chem Inc Pigment and toner for electrostatic development

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635130A (en) * 1979-08-31 1981-04-07 Fujitsu Ltd Resist material and method for forming resist pattern
JP2002012784A (en) * 2000-06-28 2002-01-15 Dainippon Ink & Chem Inc Pigment and toner for electrostatic development

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