JPH0342548Y2 - - Google Patents
Info
- Publication number
- JPH0342548Y2 JPH0342548Y2 JP19058384U JP19058384U JPH0342548Y2 JP H0342548 Y2 JPH0342548 Y2 JP H0342548Y2 JP 19058384 U JP19058384 U JP 19058384U JP 19058384 U JP19058384 U JP 19058384U JP H0342548 Y2 JPH0342548 Y2 JP H0342548Y2
- Authority
- JP
- Japan
- Prior art keywords
- smoke
- light source
- photoreceptor
- sensing area
- sensor
- 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 136
- 108091008695 photoreceptors Proteins 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 9
- 238000002955 isolation Methods 0.000 description 23
- 230000003287 optical effect Effects 0.000 description 16
- 238000001514 detection method Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method 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 |
|---|---|---|---|
| JP19058384U JPH0342548Y2 (enrdf_load_stackoverflow) | 1984-12-15 | 1984-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19058384U JPH0342548Y2 (enrdf_load_stackoverflow) | 1984-12-15 | 1984-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61107094U JPS61107094U (enrdf_load_stackoverflow) | 1986-07-07 |
| JPH0342548Y2 true JPH0342548Y2 (enrdf_load_stackoverflow) | 1991-09-05 |
Family
ID=30748034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19058384U Expired JPH0342548Y2 (enrdf_load_stackoverflow) | 1984-12-15 | 1984-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342548Y2 (enrdf_load_stackoverflow) |
-
1984
- 1984-12-15 JP JP19058384U patent/JPH0342548Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61107094U (enrdf_load_stackoverflow) | 1986-07-07 |
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