JPS64757B2 - - Google Patents

Info

Publication number
JPS64757B2
JPS64757B2 JP3058581A JP3058581A JPS64757B2 JP S64757 B2 JPS64757 B2 JP S64757B2 JP 3058581 A JP3058581 A JP 3058581A JP 3058581 A JP3058581 A JP 3058581A JP S64757 B2 JPS64757 B2 JP S64757B2
Authority
JP
Japan
Prior art keywords
signal
repeater
gas leak
detection circuit
trouble
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
JP3058581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57146400A (en
Inventor
Hideo Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai Kogyo Co Ltd
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 Nohmi Bosai Kogyo Co Ltd filed Critical Nohmi Bosai Kogyo Co Ltd
Priority to JP3058581A priority Critical patent/JPS57146400A/ja
Publication of JPS57146400A publication Critical patent/JPS57146400A/ja
Publication of JPS64757B2 publication Critical patent/JPS64757B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
JP3058581A 1981-03-05 1981-03-05 Relay for leaked gas fire alarm system Granted JPS57146400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3058581A JPS57146400A (en) 1981-03-05 1981-03-05 Relay for leaked gas fire alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3058581A JPS57146400A (en) 1981-03-05 1981-03-05 Relay for leaked gas fire alarm system

Publications (2)

Publication Number Publication Date
JPS57146400A JPS57146400A (en) 1982-09-09
JPS64757B2 true JPS64757B2 (fr) 1989-01-09

Family

ID=12307931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3058581A Granted JPS57146400A (en) 1981-03-05 1981-03-05 Relay for leaked gas fire alarm system

Country Status (1)

Country Link
JP (1) JPS57146400A (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100697A (en) * 1978-01-26 1979-08-08 Hochiki Co Device for relaying information collection monitor facility
JPS5940709Y2 (ja) * 1979-06-04 1984-11-19 株式会社田村電機製作所 通報回路

Also Published As

Publication number Publication date
JPS57146400A (en) 1982-09-09

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