JPS6237391U - - Google Patents

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Publication number
JPS6237391U
JPS6237391U JP12523685U JP12523685U JPS6237391U JP S6237391 U JPS6237391 U JP S6237391U JP 12523685 U JP12523685 U JP 12523685U JP 12523685 U JP12523685 U JP 12523685U JP S6237391 U JPS6237391 U JP S6237391U
Authority
JP
Japan
Prior art keywords
control power
pair
power lines
line
monitoring
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
JP12523685U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0426945Y2 (en:Method
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

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JP1985125236U 1985-08-16 1985-08-16 Expired JPH0426945Y2 (en:Method)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=31017962

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0426945Y2 (en:Method)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5553292U (en:Method) * 1978-09-27 1980-04-10
JPS5619184U (en:Method) * 1979-07-20 1981-02-19
JPS5723313A (en) * 1970-07-27 1982-02-06 Siemens Ag Electromechanical filter having plural twisted resonators disposed parallel to axis
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723313A (en) * 1970-07-27 1982-02-06 Siemens Ag Electromechanical filter having plural twisted resonators disposed parallel to axis
JPS5553292U (en:Method) * 1978-09-27 1980-04-10
JPS5619184U (en:Method) * 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
JPH0426945Y2 (en:Method) 1992-06-29

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