JPS5282435A - Safety device in optical scanner - Google Patents

Safety device in optical scanner

Info

Publication number
JPS5282435A
JPS5282435A JP15900375A JP15900375A JPS5282435A JP S5282435 A JPS5282435 A JP S5282435A JP 15900375 A JP15900375 A JP 15900375A JP 15900375 A JP15900375 A JP 15900375A JP S5282435 A JPS5282435 A JP S5282435A
Authority
JP
Japan
Prior art keywords
safety device
optical scanner
shutter
eyes
activate
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
JP15900375A
Other languages
Japanese (ja)
Other versions
JPS5760608B2 (en
Inventor
Moritoshi Ando
Hiroyuki Ikeda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15900375A priority Critical patent/JPS5282435A/en
Publication of JPS5282435A publication Critical patent/JPS5282435A/en
Publication of JPS5760608B2 publication Critical patent/JPS5760608B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)

Abstract

PURPOSE: To protect safely the eyes of an operator by detecting the quantity of the exposed laser light exceeding an allowable quantity to activate a shutter.
COPYRIGHT: (C)1977,JPO&Japio
JP15900375A 1975-12-29 1975-12-29 Safety device in optical scanner Granted JPS5282435A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15900375A JPS5282435A (en) 1975-12-29 1975-12-29 Safety device in optical scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15900375A JPS5282435A (en) 1975-12-29 1975-12-29 Safety device in optical scanner

Publications (2)

Publication Number Publication Date
JPS5282435A true JPS5282435A (en) 1977-07-09
JPS5760608B2 JPS5760608B2 (en) 1982-12-20

Family

ID=15684096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15900375A Granted JPS5282435A (en) 1975-12-29 1975-12-29 Safety device in optical scanner

Country Status (1)

Country Link
JP (1) JPS5282435A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538530A (en) * 1978-09-12 1980-03-18 Ricoh Co Ltd Light scanning device
JPS56103767A (en) * 1980-01-11 1981-08-19 Fujitsu Ltd Information reader

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538530A (en) * 1978-09-12 1980-03-18 Ricoh Co Ltd Light scanning device
JPS6321168B2 (en) * 1978-09-12 1988-05-06 Ricoh Kk
JPS56103767A (en) * 1980-01-11 1981-08-19 Fujitsu Ltd Information reader
JPS6153757B2 (en) * 1980-01-11 1986-11-19 Fujitsu Ltd

Also Published As

Publication number Publication date
JPS5760608B2 (en) 1982-12-20

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