JPH01111394U - - Google Patents

Info

Publication number
JPH01111394U
JPH01111394U JP263488U JP263488U JPH01111394U JP H01111394 U JPH01111394 U JP H01111394U JP 263488 U JP263488 U JP 263488U JP 263488 U JP263488 U JP 263488U JP H01111394 U JPH01111394 U JP H01111394U
Authority
JP
Japan
Prior art keywords
dark box
scattered light
smoke detector
wire mesh
smoke
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
JP263488U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0749596Y2 (ja
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 JP1988002634U priority Critical patent/JPH0749596Y2/ja
Publication of JPH01111394U publication Critical patent/JPH01111394U/ja
Application granted granted Critical
Publication of JPH0749596Y2 publication Critical patent/JPH0749596Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1988002634U 1988-01-14 1988-01-14 散乱光式煙感知器 Expired - Lifetime JPH0749596Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988002634U JPH0749596Y2 (ja) 1988-01-14 1988-01-14 散乱光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988002634U JPH0749596Y2 (ja) 1988-01-14 1988-01-14 散乱光式煙感知器

Publications (2)

Publication Number Publication Date
JPH01111394U true JPH01111394U (enExample) 1989-07-27
JPH0749596Y2 JPH0749596Y2 (ja) 1995-11-13

Family

ID=31203570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988002634U Expired - Lifetime JPH0749596Y2 (ja) 1988-01-14 1988-01-14 散乱光式煙感知器

Country Status (1)

Country Link
JP (1) JPH0749596Y2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003141654A (ja) * 2001-10-31 2003-05-16 Nohmi Bosai Ltd 光電式煙感知器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5945697U (ja) * 1982-09-14 1984-03-26 ニツタン株式会社 煙感知器の防虫網

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5945697U (ja) * 1982-09-14 1984-03-26 ニツタン株式会社 煙感知器の防虫網

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003141654A (ja) * 2001-10-31 2003-05-16 Nohmi Bosai Ltd 光電式煙感知器

Also Published As

Publication number Publication date
JPH0749596Y2 (ja) 1995-11-13

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