JPS58174793U - 火災警報装置 - Google Patents

火災警報装置

Info

Publication number
JPS58174793U
JPS58174793U JP7067182U JP7067182U JPS58174793U JP S58174793 U JPS58174793 U JP S58174793U JP 7067182 U JP7067182 U JP 7067182U JP 7067182 U JP7067182 U JP 7067182U JP S58174793 U JPS58174793 U JP S58174793U
Authority
JP
Japan
Prior art keywords
alarm
fire
wire
voltage drop
resistor
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
JP7067182U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6347990Y2 (enrdf_load_stackoverflow
Inventor
孝雄 藤沢
大西　巌
Original Assignee
ニツタン株式会社
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 by ニツタン株式会社 filed Critical ニツタン株式会社
Priority to JP7067182U priority Critical patent/JPS58174793U/ja
Publication of JPS58174793U publication Critical patent/JPS58174793U/ja
Application granted granted Critical
Publication of JPS6347990Y2 publication Critical patent/JPS6347990Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
JP7067182U 1982-05-17 1982-05-17 火災警報装置 Granted JPS58174793U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7067182U JPS58174793U (ja) 1982-05-17 1982-05-17 火災警報装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7067182U JPS58174793U (ja) 1982-05-17 1982-05-17 火災警報装置

Publications (2)

Publication Number Publication Date
JPS58174793U true JPS58174793U (ja) 1983-11-22
JPS6347990Y2 JPS6347990Y2 (enrdf_load_stackoverflow) 1988-12-09

Family

ID=30080328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7067182U Granted JPS58174793U (ja) 1982-05-17 1982-05-17 火災警報装置

Country Status (1)

Country Link
JP (1) JPS58174793U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002245564A (ja) * 2001-02-15 2002-08-30 Hochiki Corp トンネル防災設備

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002245564A (ja) * 2001-02-15 2002-08-30 Hochiki Corp トンネル防災設備

Also Published As

Publication number Publication date
JPS6347990Y2 (enrdf_load_stackoverflow) 1988-12-09

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