JPS6324555Y2 - - Google Patents
Info
- Publication number
- JPS6324555Y2 JPS6324555Y2 JP15179980U JP15179980U JPS6324555Y2 JP S6324555 Y2 JPS6324555 Y2 JP S6324555Y2 JP 15179980 U JP15179980 U JP 15179980U JP 15179980 U JP15179980 U JP 15179980U JP S6324555 Y2 JPS6324555 Y2 JP S6324555Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- demultiplexer
- natural frequency
- receiver
- 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
- 230000003287 optical effect Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001228 spectrum Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 description 17
- 239000013307 optical fiber Substances 0.000 description 10
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15179980U JPS6324555Y2 (US06815460-20041109-C00097.png) | 1980-10-24 | 1980-10-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15179980U JPS6324555Y2 (US06815460-20041109-C00097.png) | 1980-10-24 | 1980-10-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5773792U JPS5773792U (US06815460-20041109-C00097.png) | 1982-05-07 |
JPS6324555Y2 true JPS6324555Y2 (US06815460-20041109-C00097.png) | 1988-07-05 |
Family
ID=29511118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15179980U Expired JPS6324555Y2 (US06815460-20041109-C00097.png) | 1980-10-24 | 1980-10-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6324555Y2 (US06815460-20041109-C00097.png) |
-
1980
- 1980-10-24 JP JP15179980U patent/JPS6324555Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5773792U (US06815460-20041109-C00097.png) | 1982-05-07 |
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