JPH0476624B2 - - Google Patents

Info

Publication number
JPH0476624B2
JPH0476624B2 JP61304660A JP30466086A JPH0476624B2 JP H0476624 B2 JPH0476624 B2 JP H0476624B2 JP 61304660 A JP61304660 A JP 61304660A JP 30466086 A JP30466086 A JP 30466086A JP H0476624 B2 JPH0476624 B2 JP H0476624B2
Authority
JP
Japan
Prior art keywords
particle concentration
predetermined
threshold
alarm
suspended particles
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
JP61304660A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63157035A (ja
Inventor
Shigeharu Hanajima
Takeshi Tanaka
Yoshiro Nishida
Hayaaki Fukumoto
Motonori Yanagi
Masaharu Hama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP61304660A priority Critical patent/JPS63157035A/ja
Publication of JPS63157035A publication Critical patent/JPS63157035A/ja
Publication of JPH0476624B2 publication Critical patent/JPH0476624B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
JP61304660A 1986-12-19 1986-12-19 煙センサ Granted JPS63157035A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61304660A JPS63157035A (ja) 1986-12-19 1986-12-19 煙センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61304660A JPS63157035A (ja) 1986-12-19 1986-12-19 煙センサ

Publications (2)

Publication Number Publication Date
JPS63157035A JPS63157035A (ja) 1988-06-30
JPH0476624B2 true JPH0476624B2 (enrdf_load_stackoverflow) 1992-12-04

Family

ID=17935696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61304660A Granted JPS63157035A (ja) 1986-12-19 1986-12-19 煙センサ

Country Status (1)

Country Link
JP (1) JPS63157035A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2740262B2 (ja) * 1989-05-16 1998-04-15 消防庁長官 粒径計測型煙感知器
JP3714926B2 (ja) * 2002-08-22 2005-11-09 ホーチキ株式会社 サンプリング管式煙検知器
JP5420437B2 (ja) * 2010-01-19 2014-02-19 株式会社オプティコン 粉末検出装置

Also Published As

Publication number Publication date
JPS63157035A (ja) 1988-06-30

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