JPH0345195Y2 - - Google Patents

Info

Publication number
JPH0345195Y2
JPH0345195Y2 JP17982685U JP17982685U JPH0345195Y2 JP H0345195 Y2 JPH0345195 Y2 JP H0345195Y2 JP 17982685 U JP17982685 U JP 17982685U JP 17982685 U JP17982685 U JP 17982685U JP H0345195 Y2 JPH0345195 Y2 JP H0345195Y2
Authority
JP
Japan
Prior art keywords
foreign object
object detection
optical
light
detector
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.)
Expired
Application number
JP17982685U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6288549U (en]
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 filed Critical
Priority to JP17982685U priority Critical patent/JPH0345195Y2/ja
Publication of JPS6288549U publication Critical patent/JPS6288549U/ja
Application granted granted Critical
Publication of JPH0345195Y2 publication Critical patent/JPH0345195Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Machine Tool Sensing Apparatuses (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
JP17982685U 1985-11-25 1985-11-25 Expired JPH0345195Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17982685U JPH0345195Y2 (en]) 1985-11-25 1985-11-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17982685U JPH0345195Y2 (en]) 1985-11-25 1985-11-25

Publications (2)

Publication Number Publication Date
JPS6288549U JPS6288549U (en]) 1987-06-06
JPH0345195Y2 true JPH0345195Y2 (en]) 1991-09-24

Family

ID=31123231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17982685U Expired JPH0345195Y2 (en]) 1985-11-25 1985-11-25

Country Status (1)

Country Link
JP (1) JPH0345195Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4531178B2 (ja) * 2000-01-06 2010-08-25 日本信号株式会社 光バリア装置

Also Published As

Publication number Publication date
JPS6288549U (en]) 1987-06-06

Similar Documents

Publication Publication Date Title
JPS625428A (ja) 光学的位置決め装置
JPH0712569A (ja) 対象反射物体及び対象反射物体検出装置
US6420694B1 (en) Steerable retroreflective system and method
JPH07506669A (ja) 相対的な動きを検出する装置
JPH03198175A (ja) バーコードリーダ
US4615615A (en) Laser positioning system
JPS6312521B2 (en])
JPH0426042B2 (en])
GB2159015A (en) Detecting apparatus utilizing light beams
JPH0345195Y2 (en])
US5080490A (en) Equal path, phase shifting, sample point interferometer for monitoring the configuration of surfaces
JPH0457463B2 (en])
JPH048351Y2 (en])
JP3155188B2 (ja) 自動追尾装置
JPH03127191A (ja) 光走査装置
JP2000338259A (ja) 回帰反射形の安全及び正常確認装置
JPH052194B2 (en])
JP2578868Y2 (ja) 光路切換ユニット
JPH07134026A (ja) 対象反射物体検出装置
JPS5927988Y2 (ja) レ−ザ加工装置
JPH043219Y2 (en])
JPH0629727B2 (ja) レ−ザビ−ムを用いた移動体の追尾装置
JPS61122552A (ja) ガス検知装置
US4624527A (en) Radiation-utilizing measurement system
JPH0424424Y2 (en])