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
Links
- 239000000779 smoke Substances 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
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 (th) | 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 (th) |
Cited By (1)
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)
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 |
-
1988
- 1988-01-14 JP JP1988002634U patent/JPH0749596Y2/ja not_active Expired - Lifetime
Patent Citations (1)
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)
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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