JPH0374098U - - Google Patents
Info
- Publication number
- JPH0374098U JPH0374098U JP13303189U JP13303189U JPH0374098U JP H0374098 U JPH0374098 U JP H0374098U JP 13303189 U JP13303189 U JP 13303189U JP 13303189 U JP13303189 U JP 13303189U JP H0374098 U JPH0374098 U JP H0374098U
- Authority
- JP
- Japan
- Prior art keywords
- light
- smoke
- detection area
- dark box
- smoke detection
- 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 10
- 238000001514 detection method Methods 0.000 claims 5
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 true JPH0374098U (pt) | 1991-07-25 |
| JPH0650075Y2 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 (pt) |
Cited By (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 |
Citations (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
Patent Citations (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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0650075Y2 (ja) | 1994-12-14 |