JPH0116234Y2 - - Google Patents

Info

Publication number
JPH0116234Y2
JPH0116234Y2 JP1980070462U JP7046280U JPH0116234Y2 JP H0116234 Y2 JPH0116234 Y2 JP H0116234Y2 JP 1980070462 U JP1980070462 U JP 1980070462U JP 7046280 U JP7046280 U JP 7046280U JP H0116234 Y2 JPH0116234 Y2 JP H0116234Y2
Authority
JP
Japan
Prior art keywords
gas
alarm
concentration
gas leak
gas detection
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
JP1980070462U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56172188U (en]
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 JP1980070462U priority Critical patent/JPH0116234Y2/ja
Publication of JPS56172188U publication Critical patent/JPS56172188U/ja
Application granted granted Critical
Publication of JPH0116234Y2 publication Critical patent/JPH0116234Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP1980070462U 1980-05-22 1980-05-22 Expired JPH0116234Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980070462U JPH0116234Y2 (en]) 1980-05-22 1980-05-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980070462U JPH0116234Y2 (en]) 1980-05-22 1980-05-22

Publications (2)

Publication Number Publication Date
JPS56172188U JPS56172188U (en]) 1981-12-19
JPH0116234Y2 true JPH0116234Y2 (en]) 1989-05-12

Family

ID=29664323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980070462U Expired JPH0116234Y2 (en]) 1980-05-22 1980-05-22

Country Status (1)

Country Link
JP (1) JPH0116234Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5968251U (ja) * 1982-10-28 1984-05-09 松下電工株式会社 ガス検出器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210789A (en) * 1975-07-15 1977-01-27 Matsushita Electric Works Ltd Signal processing circuit of light-scattering type smoke senser
JPS5229796A (en) * 1975-09-01 1977-03-05 Matsushita Electric Works Ltd Smoke detector
JPS5363633A (en) * 1976-11-18 1978-06-07 Matsushita Electric Ind Co Ltd Gas leak alarm

Also Published As

Publication number Publication date
JPS56172188U (en]) 1981-12-19

Similar Documents

Publication Publication Date Title
US4007456A (en) Gas detecting and warning system
US20030197499A1 (en) Sensor for measuring the electrical conductivity of a fluid medium
JPH0116234Y2 (en])
EP1189055B1 (en) Gas detector-alarm employing hot-wire gas sensor and method of detection
JPH08313476A (ja) 酸素濃度センサ内ヒータ温度制御装置
JP4756734B2 (ja) 警報器の機能告知システム
JP4092266B2 (ja) 警報器点検回路
JPH0241741Y2 (en])
US3421156A (en) Self-checking detector
JP2924327B2 (ja) 燃焼検出回路
JP2002357668A (ja) 人体検知器の異常検出方法
JP2840652B2 (ja) ガス検知装置
JPH0224462B2 (en])
JPH06229542A (ja) 物理量監視装置、及び燃焼状態監視装置
JP2511619Y2 (ja) 空気清浄機のアイオナイザ異常検出装置
JPH0317251Y2 (en])
JPH018854Y2 (en])
JPH0142233Y2 (en])
JPH04326199A (ja) 火災警報装置の試験装置
JPS6264938A (ja) ガス検知装置
JPS6228709Y2 (en])
JPS6176350U (en])
JPS62119448A (ja) ガス漏れ警報装置
JPS6327273Y2 (en])
JPS6319718Y2 (en])