JP2531686Y2 - 減光式煙感知器 - Google Patents
減光式煙感知器Info
- Publication number
- JP2531686Y2 JP2531686Y2 JP1990123719U JP12371990U JP2531686Y2 JP 2531686 Y2 JP2531686 Y2 JP 2531686Y2 JP 1990123719 U JP1990123719 U JP 1990123719U JP 12371990 U JP12371990 U JP 12371990U JP 2531686 Y2 JP2531686 Y2 JP 2531686Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- lens
- light receiving
- mounting
- 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
- 239000000779 smoke Substances 0.000 title claims description 23
- 230000003287 optical effect Effects 0.000 claims description 36
- 238000005192 partition Methods 0.000 claims description 12
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 230000008033 biological extinction Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990123719U JP2531686Y2 (ja) | 1990-11-27 | 1990-11-27 | 減光式煙感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990123719U JP2531686Y2 (ja) | 1990-11-27 | 1990-11-27 | 減光式煙感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0482788U JPH0482788U (enrdf_load_stackoverflow) | 1992-07-17 |
| JP2531686Y2 true JP2531686Y2 (ja) | 1997-04-09 |
Family
ID=31871410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990123719U Expired - Lifetime JP2531686Y2 (ja) | 1990-11-27 | 1990-11-27 | 減光式煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531686Y2 (enrdf_load_stackoverflow) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS605436Y2 (ja) * | 1981-08-10 | 1985-02-19 | 能美防災工業株式会社 | 光軸調整用の小窓を備えた減光式煙感知器 |
-
1990
- 1990-11-27 JP JP1990123719U patent/JP2531686Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0482788U (enrdf_load_stackoverflow) | 1992-07-17 |
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