JPH0544788Y2 - - Google Patents
Info
- Publication number
- JPH0544788Y2 JPH0544788Y2 JP1987166839U JP16683987U JPH0544788Y2 JP H0544788 Y2 JPH0544788 Y2 JP H0544788Y2 JP 1987166839 U JP1987166839 U JP 1987166839U JP 16683987 U JP16683987 U JP 16683987U JP H0544788 Y2 JPH0544788 Y2 JP H0544788Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- signal
- power cable
- light emitting
- detection device
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 11
- 239000013307 optical fiber Substances 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 208000022673 Distal myopathy, Welander type Diseases 0.000 description 2
- 208000034384 Welander type distal myopathy Diseases 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Locating Faults (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166839U JPH0544788Y2 (en, 2012) | 1987-11-02 | 1987-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166839U JPH0544788Y2 (en, 2012) | 1987-11-02 | 1987-11-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0171677U JPH0171677U (en, 2012) | 1989-05-12 |
| JPH0544788Y2 true JPH0544788Y2 (en, 2012) | 1993-11-15 |
Family
ID=31454584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987166839U Expired - Lifetime JPH0544788Y2 (en, 2012) | 1987-11-02 | 1987-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544788Y2 (en, 2012) |
-
1987
- 1987-11-02 JP JP1987166839U patent/JPH0544788Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0171677U (en, 2012) | 1989-05-12 |
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