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

Similar Documents

Publication Publication Date Title
JPS58174793U (ja) 火災警報装置
JPS5862794A (ja) 火災警報装置
US4053875A (en) Static charge detector having fail-safe voltage surge protection means
JPS5831208Y2 (ja) デンゲンソウチ
JPS5819387U (ja) 火災報知設備の試験装置
JPS5815296U (ja) 火災警報装置の表示装置
JPS58138074U (ja) 多数電源の活線状態警報装置
JPS59187890U (ja) 火災警報装置
JPS60117398A (ja) 火災報知用受信機の断線検出回路
SU824251A1 (ru) Устройство тревожной сигнализации
JPS5989229U (ja) 極低温の計測装置
JPS5851388U (ja) 火災警報地区ベル線の障害検出回路
JPS58145035U (ja) 機器温度検出保護回路
JPS6025016U (ja) 温度制御装置
JPS5819254U (ja) 可燃性ガス検知装置
JPS61115291U (enrdf_load_stackoverflow)
JPS59147213U (ja) 過電圧防止回路
JPS5844692U (ja) 火災感知器等の電源供給線断線検出回路
JPS59126393U (ja) 警報ベル線等のヒユ−ズ断検出回路
JPS6055245U (ja) 太陽エネルギ−充電装置
JPS6032728U (ja) 障害検出センサ
JPS58131136U (ja) 誤検出防止装置
JPS58213397A (ja) 火災感知器
JPS59137578U (ja) ル−プセンサ回路
JPS5464499A (en) Detector wiring open detector for fire alarm detector