JPS5376828A - Light emission control device at exposure unit of copier - Google Patents

Light emission control device at exposure unit of copier

Info

Publication number
JPS5376828A
JPS5376828A JP15216476A JP15216476A JPS5376828A JP S5376828 A JPS5376828 A JP S5376828A JP 15216476 A JP15216476 A JP 15216476A JP 15216476 A JP15216476 A JP 15216476A JP S5376828 A JPS5376828 A JP S5376828A
Authority
JP
Japan
Prior art keywords
copier
light emission
exposure unit
control device
emission control
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
JP15216476A
Other languages
Japanese (ja)
Inventor
Toshiyuki Ogawa
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 JP15216476A priority Critical patent/JPS5376828A/en
Publication of JPS5376828A publication Critical patent/JPS5376828A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Exposure In Printing And Copying (AREA)

Abstract

PURPOSE: To control the light emission of the exposure unit of copier so as to protect the operator's eye such that the operator may not feel disagreeable by detecting the position of a document depressor plate in order to control ON,OFF of a switch.
COPYRIGHT: (C)1978,JPO&Japio
JP15216476A 1976-12-18 1976-12-18 Light emission control device at exposure unit of copier Pending JPS5376828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15216476A JPS5376828A (en) 1976-12-18 1976-12-18 Light emission control device at exposure unit of copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15216476A JPS5376828A (en) 1976-12-18 1976-12-18 Light emission control device at exposure unit of copier

Publications (1)

Publication Number Publication Date
JPS5376828A true JPS5376828A (en) 1978-07-07

Family

ID=15534413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15216476A Pending JPS5376828A (en) 1976-12-18 1976-12-18 Light emission control device at exposure unit of copier

Country Status (1)

Country Link
JP (1) JPS5376828A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542981A (en) * 1983-03-08 1985-09-24 Sharp Kabushiki Kaisha Degradation compensation of photoreceptor sensitivity for electrophotographic copying machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542981A (en) * 1983-03-08 1985-09-24 Sharp Kabushiki Kaisha Degradation compensation of photoreceptor sensitivity for electrophotographic copying machine

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