JPH0344794U - - Google Patents
Info
- Publication number
- JPH0344794U JPH0344794U JP10622489U JP10622489U JPH0344794U JP H0344794 U JPH0344794 U JP H0344794U JP 10622489 U JP10622489 U JP 10622489U JP 10622489 U JP10622489 U JP 10622489U JP H0344794 U JPH0344794 U JP H0344794U
- Authority
- JP
- Japan
- Prior art keywords
- wall
- scattered light
- reflective
- light type
- detector according
- 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
- 239000000779 smoke Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims 4
- 230000003287 optical effect Effects 0.000 claims 2
- 230000001154 acute effect Effects 0.000 claims 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989106224U JP2506304Y2 (ja) | 1989-09-12 | 1989-09-12 | 散乱光式煙感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989106224U JP2506304Y2 (ja) | 1989-09-12 | 1989-09-12 | 散乱光式煙感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0344794U true JPH0344794U (en]) | 1991-04-25 |
| JP2506304Y2 JP2506304Y2 (ja) | 1996-08-07 |
Family
ID=31654962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989106224U Expired - Lifetime JP2506304Y2 (ja) | 1989-09-12 | 1989-09-12 | 散乱光式煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2506304Y2 (en]) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010238109A (ja) * | 2009-03-31 | 2010-10-21 | Nohmi Bosai Ltd | 光電式煙感知器 |
| WO2013001966A1 (ja) * | 2011-06-30 | 2013-01-03 | ホーチキ株式会社 | 散乱光式煙検出装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5716955U (en]) * | 1980-07-01 | 1982-01-28 | ||
| JPS6237751U (en]) * | 1985-08-24 | 1987-03-06 |
-
1989
- 1989-09-12 JP JP1989106224U patent/JP2506304Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5716955U (en]) * | 1980-07-01 | 1982-01-28 | ||
| JPS6237751U (en]) * | 1985-08-24 | 1987-03-06 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010238109A (ja) * | 2009-03-31 | 2010-10-21 | Nohmi Bosai Ltd | 光電式煙感知器 |
| WO2013001966A1 (ja) * | 2011-06-30 | 2013-01-03 | ホーチキ株式会社 | 散乱光式煙検出装置 |
| JPWO2013001966A1 (ja) * | 2011-06-30 | 2015-02-23 | ホーチキ株式会社 | 散乱光式煙検出装置 |
| US9157854B2 (en) | 2011-06-30 | 2015-10-13 | Hochiki Corporation | Scattered light-type smoke detection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2506304Y2 (ja) | 1996-08-07 |