JPS6366000B2 - - Google Patents

Info

Publication number
JPS6366000B2
JPS6366000B2 JP2399181A JP2399181A JPS6366000B2 JP S6366000 B2 JPS6366000 B2 JP S6366000B2 JP 2399181 A JP2399181 A JP 2399181A JP 2399181 A JP2399181 A JP 2399181A JP S6366000 B2 JPS6366000 B2 JP S6366000B2
Authority
JP
Japan
Prior art keywords
gas leak
line
leak alarm
voltage
discrimination circuit
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
JP2399181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57137995A (en
Inventor
Kazuhiro Kato
Takaaki Nakamura
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.)
Ricoh Elemex Corp
Original Assignee
Ricoh Elemex Corp
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 Ricoh Elemex Corp filed Critical Ricoh Elemex Corp
Priority to JP2399181A priority Critical patent/JPS57137995A/ja
Publication of JPS57137995A publication Critical patent/JPS57137995A/ja
Publication of JPS6366000B2 publication Critical patent/JPS6366000B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
JP2399181A 1981-02-20 1981-02-20 Gas leakage alarm Granted JPS57137995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2399181A JPS57137995A (en) 1981-02-20 1981-02-20 Gas leakage alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2399181A JPS57137995A (en) 1981-02-20 1981-02-20 Gas leakage alarm

Publications (2)

Publication Number Publication Date
JPS57137995A JPS57137995A (en) 1982-08-25
JPS6366000B2 true JPS6366000B2 (en, 2012) 1988-12-19

Family

ID=12126040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2399181A Granted JPS57137995A (en) 1981-02-20 1981-02-20 Gas leakage alarm

Country Status (1)

Country Link
JP (1) JPS57137995A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59226995A (ja) * 1983-06-07 1984-12-20 松下電器産業株式会社 ガス遮断警報装置
JPH07101094B2 (ja) * 1989-12-11 1995-11-01 矢崎総業株式会社 ガス警報遮断システム

Also Published As

Publication number Publication date
JPS57137995A (en) 1982-08-25

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