JPH0143636Y2 - - Google Patents
Info
- Publication number
- JPH0143636Y2 JPH0143636Y2 JP9379484U JP9379484U JPH0143636Y2 JP H0143636 Y2 JPH0143636 Y2 JP H0143636Y2 JP 9379484 U JP9379484 U JP 9379484U JP 9379484 U JP9379484 U JP 9379484U JP H0143636 Y2 JPH0143636 Y2 JP H0143636Y2
- Authority
- JP
- Japan
- Prior art keywords
- long groove
- light
- smoke
- opening
- substrate
- 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 32
- 239000000758 substrate Substances 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004804 winding 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 |
|---|---|---|---|
| JP9379484U JPS6110549U (ja) | 1984-06-25 | 1984-06-25 | 透過光式煙感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9379484U JPS6110549U (ja) | 1984-06-25 | 1984-06-25 | 透過光式煙感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6110549U JPS6110549U (ja) | 1986-01-22 |
| JPH0143636Y2 true JPH0143636Y2 (de) | 1989-12-18 |
Family
ID=30651789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9379484U Granted JPS6110549U (ja) | 1984-06-25 | 1984-06-25 | 透過光式煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6110549U (de) |
-
1984
- 1984-06-25 JP JP9379484U patent/JPS6110549U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6110549U (ja) | 1986-01-22 |
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