JPH0426945Y2 - - Google Patents

Info

Publication number
JPH0426945Y2
JPH0426945Y2 JP1985125236U JP12523685U JPH0426945Y2 JP H0426945 Y2 JPH0426945 Y2 JP H0426945Y2 JP 1985125236 U JP1985125236 U JP 1985125236U JP 12523685 U JP12523685 U JP 12523685U JP H0426945 Y2 JPH0426945 Y2 JP H0426945Y2
Authority
JP
Japan
Prior art keywords
monitoring
control power
circuit
control
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
JP1985125236U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6237391U (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 JP1985125236U priority Critical patent/JPH0426945Y2/ja
Publication of JPS6237391U publication Critical patent/JPS6237391U/ja
Application granted granted Critical
Publication of JPH0426945Y2 publication Critical patent/JPH0426945Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)
JP1985125236U 1985-08-16 1985-08-16 Expired JPH0426945Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985125236U JPH0426945Y2 (en]) 1985-08-16 1985-08-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985125236U JPH0426945Y2 (en]) 1985-08-16 1985-08-16

Publications (2)

Publication Number Publication Date
JPS6237391U JPS6237391U (en]) 1987-03-05
JPH0426945Y2 true JPH0426945Y2 (en]) 1992-06-29

Family

ID=31017962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985125236U Expired JPH0426945Y2 (en]) 1985-08-16 1985-08-16

Country Status (1)

Country Link
JP (1) JPH0426945Y2 (en])

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL37120A (en) * 1970-07-27 1974-09-10 Siemens Ag A mechanical filter
JPS5914879Y2 (ja) * 1978-09-27 1984-05-01 松下電工株式会社 感知器回線の常時監視回路
JPS5619184U (en]) * 1979-07-20 1981-02-19
JPS5851388U (ja) * 1981-09-30 1983-04-07 ニツタン株式会社 火災警報地区ベル線の障害検出回路
JPS60117398A (ja) * 1983-11-29 1985-06-24 松下電工株式会社 火災報知用受信機の断線検出回路

Also Published As

Publication number Publication date
JPS6237391U (en]) 1987-03-05

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