JPH0482792U - - Google Patents
Info
- Publication number
- JPH0482792U JPH0482792U JP12372390U JP12372390U JPH0482792U JP H0482792 U JPH0482792 U JP H0482792U JP 12372390 U JP12372390 U JP 12372390U JP 12372390 U JP12372390 U JP 12372390U JP H0482792 U JPH0482792 U JP H0482792U
- Authority
- JP
- Japan
- Prior art keywords
- window
- smoke detector
- dimming
- housing
- light
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims 4
- 239000000470 constituent Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005192 partition Methods 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 true JPH0482792U (en, 2012) | 1992-07-17 |
| JP2531688Y2 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 (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001184572A (ja) * | 1999-12-22 | 2001-07-06 | Nittan Co Ltd | 光電式分離型感知器 |
| CN109782365A (zh) * | 2017-11-14 | 2019-05-21 | 宏力实业股份有限公司 | 侦烟探测器结构 |
-
1990
- 1990-11-27 JP JP12372390U patent/JP2531688Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001184572A (ja) * | 1999-12-22 | 2001-07-06 | Nittan Co Ltd | 光電式分離型感知器 |
| CN109782365A (zh) * | 2017-11-14 | 2019-05-21 | 宏力实业股份有限公司 | 侦烟探测器结构 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2531688Y2 (ja) | 1997-04-09 |
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