JP2544461Y2 - 分離型減光式煙感知器 - Google Patents
分離型減光式煙感知器Info
- Publication number
- JP2544461Y2 JP2544461Y2 JP1990123720U JP12372090U JP2544461Y2 JP 2544461 Y2 JP2544461 Y2 JP 2544461Y2 JP 1990123720 U JP1990123720 U JP 1990123720U JP 12372090 U JP12372090 U JP 12372090U JP 2544461 Y2 JP2544461 Y2 JP 2544461Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical axis
- receiving
- adjustment
- optical
- 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 - Fee Related
Links
- 239000000779 smoke Substances 0.000 title claims description 20
- 230000008033 biological extinction Effects 0.000 title claims description 5
- 230000003287 optical effect Effects 0.000 claims description 64
- 230000035945 sensitivity Effects 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 description 7
- 239000000725 suspension Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 210000000078 claw Anatomy 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
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 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
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990123720U JP2544461Y2 (ja) | 1990-11-27 | 1990-11-27 | 分離型減光式煙感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990123720U JP2544461Y2 (ja) | 1990-11-27 | 1990-11-27 | 分離型減光式煙感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0482789U JPH0482789U (enrdf_load_stackoverflow) | 1992-07-17 |
| JP2544461Y2 true JP2544461Y2 (ja) | 1997-08-20 |
Family
ID=31871411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990123720U Expired - Fee Related JP2544461Y2 (ja) | 1990-11-27 | 1990-11-27 | 分離型減光式煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2544461Y2 (enrdf_load_stackoverflow) |
Family Cites Families (3)
| 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 |
| JPS5929274U (ja) * | 1982-08-20 | 1984-02-23 | 三菱重工業株式会社 | スケジユ−ル用用紙 |
| JPS62148836A (ja) * | 1985-12-24 | 1987-07-02 | Nittan Co Ltd | 光電式分離型感知器 |
-
1990
- 1990-11-27 JP JP1990123720U patent/JP2544461Y2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0482789U (enrdf_load_stackoverflow) | 1992-07-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |