JPH0236111Y2 - - Google Patents
Info
- Publication number
- JPH0236111Y2 JPH0236111Y2 JP1984130587U JP13058784U JPH0236111Y2 JP H0236111 Y2 JPH0236111 Y2 JP H0236111Y2 JP 1984130587 U JP1984130587 U JP 1984130587U JP 13058784 U JP13058784 U JP 13058784U JP H0236111 Y2 JPH0236111 Y2 JP H0236111Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitter
- receiver
- wall
- side walls
- 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
Links
- 239000000779 smoke Substances 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000031700 light absorption Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000651 laser trapping Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13058784U JPS6146454U (ja) | 1984-08-30 | 1984-08-30 | 光電式煙感知器 |
EP85110642A EP0175940B1 (en) | 1984-08-23 | 1985-08-23 | Photoelectric smoke detector |
DE8585110642T DE3580817D1 (de) | 1984-08-23 | 1985-08-23 | Photoelektrischer rauchdetektor. |
AT85110642T ATE58976T1 (de) | 1984-08-23 | 1985-08-23 | Photoelektrischer rauchdetektor. |
CA000489719A CA1254970A (en) | 1984-08-30 | 1985-08-29 | Photoelectric smoke detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13058784U JPS6146454U (ja) | 1984-08-30 | 1984-08-30 | 光電式煙感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6146454U JPS6146454U (ja) | 1986-03-28 |
JPH0236111Y2 true JPH0236111Y2 (US06826419-20041130-M00005.png) | 1990-10-02 |
Family
ID=30689192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13058784U Granted JPS6146454U (ja) | 1984-08-23 | 1984-08-30 | 光電式煙感知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6146454U (US06826419-20041130-M00005.png) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01110213A (ja) * | 1987-10-23 | 1989-04-26 | Citizen Watch Co Ltd | センサ信号処理装置 |
US8899097B2 (en) * | 2011-10-18 | 2014-12-02 | The Boeing Company | Airborne impurities detection |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5266486U (US06826419-20041130-M00005.png) * | 1975-11-12 | 1977-05-17 |
-
1984
- 1984-08-30 JP JP13058784U patent/JPS6146454U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6146454U (ja) | 1986-03-28 |
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