JPS59202596A - 火災報知システム - Google Patents

火災報知システム

Info

Publication number
JPS59202596A
JPS59202596A JP7682783A JP7682783A JPS59202596A JP S59202596 A JPS59202596 A JP S59202596A JP 7682783 A JP7682783 A JP 7682783A JP 7682783 A JP7682783 A JP 7682783A JP S59202596 A JPS59202596 A JP S59202596A
Authority
JP
Japan
Prior art keywords
smoke
level
signal
fire
smoke detector
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
JP7682783A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0452519B2 (en, 2012
Inventor
村上　和正
穆 山田
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP7682783A priority Critical patent/JPS59202596A/ja
Publication of JPS59202596A publication Critical patent/JPS59202596A/ja
Publication of JPH0452519B2 publication Critical patent/JPH0452519B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
JP7682783A 1983-04-30 1983-04-30 火災報知システム Granted JPS59202596A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7682783A JPS59202596A (ja) 1983-04-30 1983-04-30 火災報知システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7682783A JPS59202596A (ja) 1983-04-30 1983-04-30 火災報知システム

Publications (2)

Publication Number Publication Date
JPS59202596A true JPS59202596A (ja) 1984-11-16
JPH0452519B2 JPH0452519B2 (en, 2012) 1992-08-24

Family

ID=13616505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7682783A Granted JPS59202596A (ja) 1983-04-30 1983-04-30 火災報知システム

Country Status (1)

Country Link
JP (1) JPS59202596A (en, 2012)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62231398A (ja) * 1986-03-31 1987-10-09 松下電工株式会社 火災警報システム
JPS62231399A (ja) * 1986-03-31 1987-10-09 松下電工株式会社 火災警報システム
JPH023889A (ja) * 1988-06-16 1990-01-09 Nohmi Bosai Ltd 汚れ度合表示装置
JP2007286838A (ja) * 2006-04-14 2007-11-01 Nohmi Bosai Ltd アナログ式火災感知器および火災受信機
JP2008157648A (ja) * 2006-12-21 2008-07-10 Horiba Ltd オイルミスト検出装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2791529C (en) * 2010-03-05 2019-04-30 Xtralis Technologies Ltd Filter bypass

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631625A (en) * 1979-08-24 1981-03-31 Hochiki Corp Smoke detector of photoelectronic type

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631625A (en) * 1979-08-24 1981-03-31 Hochiki Corp Smoke detector of photoelectronic type

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62231398A (ja) * 1986-03-31 1987-10-09 松下電工株式会社 火災警報システム
JPS62231399A (ja) * 1986-03-31 1987-10-09 松下電工株式会社 火災警報システム
JPH023889A (ja) * 1988-06-16 1990-01-09 Nohmi Bosai Ltd 汚れ度合表示装置
JP2007286838A (ja) * 2006-04-14 2007-11-01 Nohmi Bosai Ltd アナログ式火災感知器および火災受信機
JP2008157648A (ja) * 2006-12-21 2008-07-10 Horiba Ltd オイルミスト検出装置

Also Published As

Publication number Publication date
JPH0452519B2 (en, 2012) 1992-08-24

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