JPS6292459U - - Google Patents
Info
- Publication number
- JPS6292459U JPS6292459U JP17753886U JP17753886U JPS6292459U JP S6292459 U JPS6292459 U JP S6292459U JP 17753886 U JP17753886 U JP 17753886U JP 17753886 U JP17753886 U JP 17753886U JP S6292459 U JPS6292459 U JP S6292459U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light beam
- generates
- light receiver
- receiver
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17753886U JPS6292459U (fr) | 1986-11-20 | 1986-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17753886U JPS6292459U (fr) | 1986-11-20 | 1986-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6292459U true JPS6292459U (fr) | 1987-06-12 |
Family
ID=31118829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17753886U Pending JPS6292459U (fr) | 1986-11-20 | 1986-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6292459U (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212399A (ja) * | 1988-06-29 | 1990-01-17 | Shimizu Corp | クリーンルーム用複合型煙感知器 |
| JP2006226727A (ja) * | 2005-02-15 | 2006-08-31 | Hamamatsu Photonics Kk | 吸収計測装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036799A (fr) * | 1973-07-13 | 1975-04-07 | ||
| JPS5251987A (en) * | 1975-10-22 | 1977-04-26 | Matsushita Electric Works Ltd | Signal adding circuit in smoke detector |
| JPS5444582A (en) * | 1977-09-14 | 1979-04-09 | Matsushita Electric Ind Co Ltd | Smoke detector |
-
1986
- 1986-11-20 JP JP17753886U patent/JPS6292459U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036799A (fr) * | 1973-07-13 | 1975-04-07 | ||
| JPS5251987A (en) * | 1975-10-22 | 1977-04-26 | Matsushita Electric Works Ltd | Signal adding circuit in smoke detector |
| JPS5444582A (en) * | 1977-09-14 | 1979-04-09 | Matsushita Electric Ind Co Ltd | Smoke detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212399A (ja) * | 1988-06-29 | 1990-01-17 | Shimizu Corp | クリーンルーム用複合型煙感知器 |
| JP2006226727A (ja) * | 2005-02-15 | 2006-08-31 | Hamamatsu Photonics Kk | 吸収計測装置 |