JPH0339747Y2 - - Google Patents

Info

Publication number
JPH0339747Y2
JPH0339747Y2 JP1985006495U JP649585U JPH0339747Y2 JP H0339747 Y2 JPH0339747 Y2 JP H0339747Y2 JP 1985006495 U JP1985006495 U JP 1985006495U JP 649585 U JP649585 U JP 649585U JP H0339747 Y2 JPH0339747 Y2 JP H0339747Y2
Authority
JP
Japan
Prior art keywords
light
ring
receiver
light receiver
transmitter
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
JP1985006495U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61123985U (pm
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 JP1985006495U priority Critical patent/JPH0339747Y2/ja
Publication of JPS61123985U publication Critical patent/JPS61123985U/ja
Application granted granted Critical
Publication of JPH0339747Y2 publication Critical patent/JPH0339747Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
JP1985006495U 1985-01-21 1985-01-21 Expired JPH0339747Y2 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985006495U JPH0339747Y2 (pm) 1985-01-21 1985-01-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985006495U JPH0339747Y2 (pm) 1985-01-21 1985-01-21

Publications (2)

Publication Number Publication Date
JPS61123985U JPS61123985U (pm) 1986-08-04
JPH0339747Y2 true JPH0339747Y2 (pm) 1991-08-21

Family

ID=30483987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985006495U Expired JPH0339747Y2 (pm) 1985-01-21 1985-01-21

Country Status (1)

Country Link
JP (1) JPH0339747Y2 (pm)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020012706A1 (ja) * 2018-07-13 2020-01-16 三菱重工業株式会社 防爆機器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009087240A (ja) * 2007-10-02 2009-04-23 Otec Denshi Kk 赤外線センサの光軸自動調整方法、赤外線センサの光軸自動調整システムおよびそれに用いる赤外線センサの光軸調整装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS524935U (pm) * 1975-06-26 1977-01-13
JPS554263Y2 (pm) * 1976-08-17 1980-01-31

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020012706A1 (ja) * 2018-07-13 2020-01-16 三菱重工業株式会社 防爆機器
JP2020013649A (ja) * 2018-07-13 2020-01-23 三菱重工業株式会社 防爆機器
US11876234B2 (en) 2018-07-13 2024-01-16 Mitsubishi Heavy Industries, Ltd. Explosion-proof apparatus

Also Published As

Publication number Publication date
JPS61123985U (pm) 1986-08-04

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