JPS6339831Y2 - - Google Patents
Info
- Publication number
- JPS6339831Y2 JPS6339831Y2 JP7489382U JP7489382U JPS6339831Y2 JP S6339831 Y2 JPS6339831 Y2 JP S6339831Y2 JP 7489382 U JP7489382 U JP 7489382U JP 7489382 U JP7489382 U JP 7489382U JP S6339831 Y2 JPS6339831 Y2 JP S6339831Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- light
- damaged
- optical fibers
- fire
- 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
- 239000013307 optical fiber Substances 0.000 claims description 58
- 229920003002 synthetic resin Polymers 0.000 description 7
- 239000000057 synthetic resin Substances 0.000 description 7
- 238000005253 cladding Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7489382U JPS58179583U (ja) | 1982-05-24 | 1982-05-24 | 熱式火災感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7489382U JPS58179583U (ja) | 1982-05-24 | 1982-05-24 | 熱式火災感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58179583U JPS58179583U (ja) | 1983-12-01 |
| JPS6339831Y2 true JPS6339831Y2 (zh) | 1988-10-19 |
Family
ID=30084285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7489382U Granted JPS58179583U (ja) | 1982-05-24 | 1982-05-24 | 熱式火災感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58179583U (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60148687U (ja) * | 1984-03-15 | 1985-10-02 | 能美防災株式会社 | 故障検出機能付火災感知器 |
-
1982
- 1982-05-24 JP JP7489382U patent/JPS58179583U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58179583U (ja) | 1983-12-01 |
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