JPH01133693U - - Google Patents
Info
- Publication number
- JPH01133693U JPH01133693U JP2695288U JP2695288U JPH01133693U JP H01133693 U JPH01133693 U JP H01133693U JP 2695288 U JP2695288 U JP 2695288U JP 2695288 U JP2695288 U JP 2695288U JP H01133693 U JPH01133693 U JP H01133693U
- Authority
- JP
- Japan
- Prior art keywords
- dark box
- smoke
- wire mesh
- scattered light
- smoke detector
- 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
- 239000000779 smoke Substances 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000011810 insulating material Substances 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 |
|---|---|---|---|
| JP2695288U JPH01133693U (US08063081-20111122-C00044.png) | 1988-03-02 | 1988-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2695288U JPH01133693U (US08063081-20111122-C00044.png) | 1988-03-02 | 1988-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133693U true JPH01133693U (US08063081-20111122-C00044.png) | 1989-09-12 |
Family
ID=31249036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2695288U Pending JPH01133693U (US08063081-20111122-C00044.png) | 1988-03-02 | 1988-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133693U (US08063081-20111122-C00044.png) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5737268U (US08063081-20111122-C00044.png) * | 1980-08-08 | 1982-02-27 | ||
| JPS5825515U (ja) * | 1981-08-12 | 1983-02-18 | 古河電気工業株式会社 | 被覆電線の難着雪装置 |
| JPS5825514U (ja) * | 1981-08-12 | 1983-02-18 | 古河電気工業株式会社 | 電線の難着雪装置 |
| JPS5945697B2 (ja) * | 1980-01-09 | 1984-11-08 | チバ−ガイギ−、アクチエンゲゼルシヤフト | 染色安定性の分散染料および合成および半合成織物材料の染色またはなつ染へのその使用 |
| JPS6031698A (ja) * | 1983-07-30 | 1985-02-18 | 松下電工株式会社 | 光電式煙感知器 |
| JPS6139610A (ja) * | 1984-07-27 | 1986-02-25 | Yokogawa Hewlett Packard Ltd | 増幅器 |
-
1988
- 1988-03-02 JP JP2695288U patent/JPH01133693U/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5945697B2 (ja) * | 1980-01-09 | 1984-11-08 | チバ−ガイギ−、アクチエンゲゼルシヤフト | 染色安定性の分散染料および合成および半合成織物材料の染色またはなつ染へのその使用 |
| JPS5737268U (US08063081-20111122-C00044.png) * | 1980-08-08 | 1982-02-27 | ||
| JPS5825515U (ja) * | 1981-08-12 | 1983-02-18 | 古河電気工業株式会社 | 被覆電線の難着雪装置 |
| JPS5825514U (ja) * | 1981-08-12 | 1983-02-18 | 古河電気工業株式会社 | 電線の難着雪装置 |
| JPS6031698A (ja) * | 1983-07-30 | 1985-02-18 | 松下電工株式会社 | 光電式煙感知器 |
| JPS6139610A (ja) * | 1984-07-27 | 1986-02-25 | Yokogawa Hewlett Packard Ltd | 増幅器 |
