JPS6339839Y2 - - Google Patents
Info
- Publication number
- JPS6339839Y2 JPS6339839Y2 JP10711382U JP10711382U JPS6339839Y2 JP S6339839 Y2 JPS6339839 Y2 JP S6339839Y2 JP 10711382 U JP10711382 U JP 10711382U JP 10711382 U JP10711382 U JP 10711382U JP S6339839 Y2 JPS6339839 Y2 JP S6339839Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- light source
- optical filter
- light receiving
- 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
- 230000003287 optical effect Effects 0.000 claims description 23
- 238000012360 testing method Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Control Of Combustion (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10711382U JPS5915192U (ja) | 1982-07-16 | 1982-07-16 | 炎感知器の動作試験装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10711382U JPS5915192U (ja) | 1982-07-16 | 1982-07-16 | 炎感知器の動作試験装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5915192U JPS5915192U (ja) | 1984-01-30 |
| JPS6339839Y2 true JPS6339839Y2 (de) | 1988-10-19 |
Family
ID=30250394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10711382U Granted JPS5915192U (ja) | 1982-07-16 | 1982-07-16 | 炎感知器の動作試験装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5915192U (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3699286B2 (ja) * | 1999-01-22 | 2005-09-28 | 能美防災株式会社 | 火災検知器 |
| JP6755105B2 (ja) * | 2016-03-08 | 2020-09-16 | 深田工業株式会社 | 炎検知器 |
-
1982
- 1982-07-16 JP JP10711382U patent/JPS5915192U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5915192U (ja) | 1984-01-30 |
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