JPS6316999Y2 - - Google Patents
Info
- Publication number
- JPS6316999Y2 JPS6316999Y2 JP2593282U JP2593282U JPS6316999Y2 JP S6316999 Y2 JPS6316999 Y2 JP S6316999Y2 JP 2593282 U JP2593282 U JP 2593282U JP 2593282 U JP2593282 U JP 2593282U JP S6316999 Y2 JPS6316999 Y2 JP S6316999Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- smoke
- emitting element
- smoke detection
- optical fiber
- 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
- 239000000779 smoke Substances 0.000 claims description 60
- 238000001514 detection method Methods 0.000 claims description 30
- 239000013307 optical fiber Substances 0.000 claims description 27
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission 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 |
|---|---|---|---|
| JP2593282U JPS58129145U (ja) | 1982-02-25 | 1982-02-25 | 光電式分離型煙感知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2593282U JPS58129145U (ja) | 1982-02-25 | 1982-02-25 | 光電式分離型煙感知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58129145U JPS58129145U (ja) | 1983-09-01 |
| JPS6316999Y2 true JPS6316999Y2 (OSRAM) | 1988-05-13 |
Family
ID=30037887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2593282U Granted JPS58129145U (ja) | 1982-02-25 | 1982-02-25 | 光電式分離型煙感知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58129145U (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3171347B1 (en) | 2014-07-14 | 2020-06-10 | Fenwal Controls Of Japan, Ltd. | Photoelectric smoke sensor |
| JP6440848B2 (ja) | 2015-08-25 | 2018-12-19 | 日本フェンオール株式会社 | 光電式煙感知器 |
-
1982
- 1982-02-25 JP JP2593282U patent/JPS58129145U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58129145U (ja) | 1983-09-01 |
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