JPH0236112Y2 - - Google Patents
Info
- Publication number
- JPH0236112Y2 JPH0236112Y2 JP1984175166U JP17516684U JPH0236112Y2 JP H0236112 Y2 JPH0236112 Y2 JP H0236112Y2 JP 1984175166 U JP1984175166 U JP 1984175166U JP 17516684 U JP17516684 U JP 17516684U JP H0236112 Y2 JPH0236112 Y2 JP H0236112Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- smoke
- cylindrical
- photoelectric element
- scattered 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.)
- Expired
Links
- 239000000779 smoke Substances 0.000 claims description 48
- 230000004907 flux Effects 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000009940 knitting Methods 0.000 claims 1
- 238000000149 argon plasma sintering Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984175166U JPH0236112Y2 (fr) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984175166U JPH0236112Y2 (fr) | 1984-11-20 | 1984-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6191154U JPS6191154U (fr) | 1986-06-13 |
| JPH0236112Y2 true JPH0236112Y2 (fr) | 1990-10-02 |
Family
ID=30732770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984175166U Expired JPH0236112Y2 (fr) | 1984-11-20 | 1984-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0236112Y2 (fr) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213884B2 (fr) * | 1972-05-11 | 1977-04-18 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213884U (fr) * | 1975-07-18 | 1977-01-31 | ||
| CH591257A5 (en) * | 1976-04-13 | 1977-09-15 | Cerberus Ag | Radiation scatter smoke detector - has scatter detector receivers coaxial to radiation bundle to scan different directions using photocells or sensors |
-
1984
- 1984-11-20 JP JP1984175166U patent/JPH0236112Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213884B2 (fr) * | 1972-05-11 | 1977-04-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6191154U (fr) | 1986-06-13 |
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