JP2531688Y2 - 減光式煙感知器 - Google Patents
減光式煙感知器Info
- Publication number
- JP2531688Y2 JP2531688Y2 JP12372390U JP12372390U JP2531688Y2 JP 2531688 Y2 JP2531688 Y2 JP 2531688Y2 JP 12372390 U JP12372390 U JP 12372390U JP 12372390 U JP12372390 U JP 12372390U JP 2531688 Y2 JP2531688 Y2 JP 2531688Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- window
- optical
- smoke detector
- lens
- 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 28
- 230000003287 optical effect Effects 0.000 claims description 69
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 230000002238 attenuated effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12372390U JP2531688Y2 (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 |
|---|---|---|---|
| JP12372390U JP2531688Y2 (ja) | 1990-11-27 | 1990-11-27 | 減光式煙感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0482792U JPH0482792U (enrdf_load_stackoverflow) | 1992-07-17 |
| JP2531688Y2 true JP2531688Y2 (ja) | 1997-04-09 |
Family
ID=31871414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12372390U Expired - Lifetime JP2531688Y2 (ja) | 1990-11-27 | 1990-11-27 | 減光式煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531688Y2 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3811324B2 (ja) * | 1999-12-22 | 2006-08-16 | ニッタン株式会社 | 光電式分離型感知器 |
| TWI668673B (zh) * | 2017-11-14 | 2019-08-11 | 宏力實業股份有限公司 | Smoke detector structure |
-
1990
- 1990-11-27 JP JP12372390U patent/JP2531688Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0482792U (enrdf_load_stackoverflow) | 1992-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2688361B2 (ja) | 光電センサ | |
| US4282430A (en) | Reflection-type photoelectric switching apparatus | |
| US6965315B2 (en) | Anti-thief security sensor assembly | |
| JP2531688Y2 (ja) | 減光式煙感知器 | |
| JP4043204B2 (ja) | 火災検知器 | |
| US3578978A (en) | Optical projector including photo-sensitive device | |
| US4215271A (en) | Adjustable mirror mount for photoelectric intrusion detector | |
| JP2895752B2 (ja) | 表示灯の視認構造 | |
| JP2597520B2 (ja) | 分離型減光式煙感知装置 | |
| JP2531687Y2 (ja) | 減光式煙感知器 | |
| US4644164A (en) | Compact passive infrared intrusion sensor | |
| JP2535169Y2 (ja) | 火災感知器等の取付機構 | |
| JP2531686Y2 (ja) | 減光式煙感知器 | |
| JP2544461Y2 (ja) | 分離型減光式煙感知器 | |
| JP2854605B2 (ja) | 光電センサ | |
| JPS6122278Y2 (enrdf_load_stackoverflow) | ||
| JPS605436Y2 (ja) | 光軸調整用の小窓を備えた減光式煙感知器 | |
| JPH0328417Y2 (enrdf_load_stackoverflow) | ||
| JP2552200B2 (ja) | 分離型減光式煙感知装置 | |
| JPH0641158Y2 (ja) | 光線式検出器の防滴防曇構造 | |
| JP4010480B2 (ja) | 多光軸光電センサ | |
| JPH11339156A (ja) | 感知器の照準機構 | |
| JP2858785B2 (ja) | 感熱センサ | |
| JPS6315997Y2 (enrdf_load_stackoverflow) | ||
| JP2702043B2 (ja) | 光電式分離型煙感知器 |