JPH0337592U - - Google Patents

Info

Publication number
JPH0337592U
JPH0337592U JP9797789U JP9797789U JPH0337592U JP H0337592 U JPH0337592 U JP H0337592U JP 9797789 U JP9797789 U JP 9797789U JP 9797789 U JP9797789 U JP 9797789U JP H0337592 U JPH0337592 U JP H0337592U
Authority
JP
Japan
Prior art keywords
annular wall
smoke detector
scattered light
detector according
light type
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
JP9797789U
Other languages
English (en)
Japanese (ja)
Other versions
JPH082797Y2 (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 JP1989097977U priority Critical patent/JPH082797Y2/ja
Publication of JPH0337592U publication Critical patent/JPH0337592U/ja
Application granted granted Critical
Publication of JPH082797Y2 publication Critical patent/JPH082797Y2/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)
JP1989097977U 1989-08-24 1989-08-24 散乱光式煙感知器 Expired - Lifetime JPH082797Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989097977U JPH082797Y2 (ja) 1989-08-24 1989-08-24 散乱光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989097977U JPH082797Y2 (ja) 1989-08-24 1989-08-24 散乱光式煙感知器

Publications (2)

Publication Number Publication Date
JPH0337592U true JPH0337592U (US20100268047A1-20101021-C00003.png) 1991-04-11
JPH082797Y2 JPH082797Y2 (ja) 1996-01-29

Family

ID=31647097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989097977U Expired - Lifetime JPH082797Y2 (ja) 1989-08-24 1989-08-24 散乱光式煙感知器

Country Status (1)

Country Link
JP (1) JPH082797Y2 (US20100268047A1-20101021-C00003.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55462A (en) * 1979-02-08 1980-01-05 Nittan Co Ltd Optical scatter type smoke sensor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55462A (en) * 1979-02-08 1980-01-05 Nittan Co Ltd Optical scatter type smoke sensor

Also Published As

Publication number Publication date
JPH082797Y2 (ja) 1996-01-29

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