JPS53126924A - Control method for original document illumination of slit exposure copier - Google Patents

Control method for original document illumination of slit exposure copier

Info

Publication number
JPS53126924A
JPS53126924A JP4190277A JP4190277A JPS53126924A JP S53126924 A JPS53126924 A JP S53126924A JP 4190277 A JP4190277 A JP 4190277A JP 4190277 A JP4190277 A JP 4190277A JP S53126924 A JPS53126924 A JP S53126924A
Authority
JP
Japan
Prior art keywords
original document
control method
slit exposure
document illumination
copier
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
JP4190277A
Other languages
Japanese (ja)
Inventor
Koichi Suzuki
Yuji Yasuda
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 JP4190277A priority Critical patent/JPS53126924A/en
Publication of JPS53126924A publication Critical patent/JPS53126924A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Exposure In Printing And Copying (AREA)

Abstract

PURPOSE: To simplify the mechanism of the device in order to effectively illuminate by successively illuminating the plane of an original document of a slit width with the illumination system, electrically counting the position of the optimum illumination in accordance with its scanning position with an arithmetic circuit, and driving it to control.
COPYRIGHT: (C)1978,JPO&Japio
JP4190277A 1977-04-11 1977-04-11 Control method for original document illumination of slit exposure copier Pending JPS53126924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4190277A JPS53126924A (en) 1977-04-11 1977-04-11 Control method for original document illumination of slit exposure copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4190277A JPS53126924A (en) 1977-04-11 1977-04-11 Control method for original document illumination of slit exposure copier

Publications (1)

Publication Number Publication Date
JPS53126924A true JPS53126924A (en) 1978-11-06

Family

ID=12621206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4190277A Pending JPS53126924A (en) 1977-04-11 1977-04-11 Control method for original document illumination of slit exposure copier

Country Status (1)

Country Link
JP (1) JPS53126924A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156932A (en) * 1979-05-25 1980-12-06 Ricoh Co Ltd Exposure control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156932A (en) * 1979-05-25 1980-12-06 Ricoh Co Ltd Exposure control system

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