JPH0449749Y2 - - Google Patents
Info
- Publication number
- JPH0449749Y2 JPH0449749Y2 JP4138483U JP4138483U JPH0449749Y2 JP H0449749 Y2 JPH0449749 Y2 JP H0449749Y2 JP 4138483 U JP4138483 U JP 4138483U JP 4138483 U JP4138483 U JP 4138483U JP H0449749 Y2 JPH0449749 Y2 JP H0449749Y2
- Authority
- JP
- Japan
- Prior art keywords
- air chamber
- air
- heating element
- upper plate
- fire 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.)
- Expired
Links
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000012212 insulator Substances 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4138483U JPS59147288U (ja) | 1983-03-24 | 1983-03-24 | 差動式スポツト型火災感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4138483U JPS59147288U (ja) | 1983-03-24 | 1983-03-24 | 差動式スポツト型火災感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59147288U JPS59147288U (ja) | 1984-10-02 |
| JPH0449749Y2 true JPH0449749Y2 (en]) | 1992-11-24 |
Family
ID=30171967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4138483U Granted JPS59147288U (ja) | 1983-03-24 | 1983-03-24 | 差動式スポツト型火災感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59147288U (en]) |
-
1983
- 1983-03-24 JP JP4138483U patent/JPS59147288U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59147288U (ja) | 1984-10-02 |
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