JPH0330954Y2 - - Google Patents
Info
- Publication number
- JPH0330954Y2 JPH0330954Y2 JP1982014406U JP1440682U JPH0330954Y2 JP H0330954 Y2 JPH0330954 Y2 JP H0330954Y2 JP 1982014406 U JP1982014406 U JP 1982014406U JP 1440682 U JP1440682 U JP 1440682U JP H0330954 Y2 JPH0330954 Y2 JP H0330954Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- scattered light
- smoke
- lens
- monitoring space
- 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
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1440682U JPS58117587U (ja) | 1982-02-04 | 1982-02-04 | 散乱光式煙感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1440682U JPS58117587U (ja) | 1982-02-04 | 1982-02-04 | 散乱光式煙感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58117587U JPS58117587U (ja) | 1983-08-11 |
| JPH0330954Y2 true JPH0330954Y2 (pm) | 1991-06-28 |
Family
ID=30026878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1440682U Granted JPS58117587U (ja) | 1982-02-04 | 1982-02-04 | 散乱光式煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58117587U (pm) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0650075Y2 (ja) * | 1989-11-17 | 1994-12-14 | ニッタン株式会社 | 散乱光式煙感知器 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5364083A (en) * | 1976-11-19 | 1978-06-08 | Matsushita Electric Works Ltd | Photoelectric smoke detector |
| JPS615459Y2 (pm) * | 1979-08-01 | 1986-02-19 |
-
1982
- 1982-02-04 JP JP1440682U patent/JPS58117587U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58117587U (ja) | 1983-08-11 |
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