JPH0650075Y2 - 散乱光式煙感知器 - Google Patents
散乱光式煙感知器Info
- Publication number
- JPH0650075Y2 JPH0650075Y2 JP1989133031U JP13303189U JPH0650075Y2 JP H0650075 Y2 JPH0650075 Y2 JP H0650075Y2 JP 1989133031 U JP1989133031 U JP 1989133031U JP 13303189 U JP13303189 U JP 13303189U JP H0650075 Y2 JPH0650075 Y2 JP H0650075Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- dark box
- smoke
- fresnel lens
- light emitting
- 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 - Lifetime
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989133031U JPH0650075Y2 (ja) | 1989-11-17 | 1989-11-17 | 散乱光式煙感知器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989133031U JPH0650075Y2 (ja) | 1989-11-17 | 1989-11-17 | 散乱光式煙感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0374098U JPH0374098U (US20030199744A1-20031023-C00003.png) | 1991-07-25 |
JPH0650075Y2 true JPH0650075Y2 (ja) | 1994-12-14 |
Family
ID=31680451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989133031U Expired - Lifetime JPH0650075Y2 (ja) | 1989-11-17 | 1989-11-17 | 散乱光式煙感知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0650075Y2 (US20030199744A1-20031023-C00003.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010040006A (ja) * | 2008-08-08 | 2010-02-18 | Sharp Corp | 光電式煙センサおよび照明器具 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58117587U (ja) * | 1982-02-04 | 1983-08-11 | 能美防災工業株式会社 | 散乱光式煙感知器 |
-
1989
- 1989-11-17 JP JP1989133031U patent/JPH0650075Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0374098U (US20030199744A1-20031023-C00003.png) | 1991-07-25 |
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