JPH0124696Y2 - - Google Patents

Info

Publication number
JPH0124696Y2
JPH0124696Y2 JP1983117202U JP11720283U JPH0124696Y2 JP H0124696 Y2 JPH0124696 Y2 JP H0124696Y2 JP 1983117202 U JP1983117202 U JP 1983117202U JP 11720283 U JP11720283 U JP 11720283U JP H0124696 Y2 JPH0124696 Y2 JP H0124696Y2
Authority
JP
Japan
Prior art keywords
monitoring
optical
relay
line
monitoring line
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
JP1983117202U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6030083U (ja
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 JP11720283U priority Critical patent/JPS6030083U/ja
Publication of JPS6030083U publication Critical patent/JPS6030083U/ja
Application granted granted Critical
Publication of JPH0124696Y2 publication Critical patent/JPH0124696Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
JP11720283U 1983-07-29 1983-07-29 侵入検知器 Granted JPS6030083U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11720283U JPS6030083U (ja) 1983-07-29 1983-07-29 侵入検知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11720283U JPS6030083U (ja) 1983-07-29 1983-07-29 侵入検知器

Publications (2)

Publication Number Publication Date
JPS6030083U JPS6030083U (ja) 1985-02-28
JPH0124696Y2 true JPH0124696Y2 (cs) 1989-07-26

Family

ID=30269889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11720283U Granted JPS6030083U (ja) 1983-07-29 1983-07-29 侵入検知器

Country Status (1)

Country Link
JP (1) JPS6030083U (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12051309B2 (en) * 2021-01-20 2024-07-30 Nec Corporation DFOS self-anomaly detection system for safer infrastructures

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5582395A (en) * 1978-12-15 1980-06-21 Fujitsu Ltd Light detecting circuit

Also Published As

Publication number Publication date
JPS6030083U (ja) 1985-02-28

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