JPH0449738Y2 - - Google Patents
Info
- Publication number
- JPH0449738Y2 JPH0449738Y2 JP19668286U JP19668286U JPH0449738Y2 JP H0449738 Y2 JPH0449738 Y2 JP H0449738Y2 JP 19668286 U JP19668286 U JP 19668286U JP 19668286 U JP19668286 U JP 19668286U JP H0449738 Y2 JPH0449738 Y2 JP H0449738Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- optical fiber
- light receiving
- polarizing plate
- 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 24
- 238000012806 monitoring device Methods 0.000 claims description 12
- 230000005856 abnormality Effects 0.000 claims description 10
- 230000010287 polarization Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Audible And Visible Signals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19668286U JPH0449738Y2 (enrdf_load_stackoverflow) | 1986-12-23 | 1986-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19668286U JPH0449738Y2 (enrdf_load_stackoverflow) | 1986-12-23 | 1986-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63103189U JPS63103189U (enrdf_load_stackoverflow) | 1988-07-04 |
| JPH0449738Y2 true JPH0449738Y2 (enrdf_load_stackoverflow) | 1992-11-24 |
Family
ID=31155727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19668286U Expired JPH0449738Y2 (enrdf_load_stackoverflow) | 1986-12-23 | 1986-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449738Y2 (enrdf_load_stackoverflow) |
-
1986
- 1986-12-23 JP JP19668286U patent/JPH0449738Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63103189U (enrdf_load_stackoverflow) | 1988-07-04 |
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