JPS641143Y2 - - Google Patents
Info
- Publication number
- JPS641143Y2 JPS641143Y2 JP11807783U JP11807783U JPS641143Y2 JP S641143 Y2 JPS641143 Y2 JP S641143Y2 JP 11807783 U JP11807783 U JP 11807783U JP 11807783 U JP11807783 U JP 11807783U JP S641143 Y2 JPS641143 Y2 JP S641143Y2
- Authority
- JP
- Japan
- Prior art keywords
- contact wire
- optical fiber
- hollow hole
- wear
- optical fibers
- 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 19
- 238000001514 detection method Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Light Guides In General And Applications Therefor (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11807783U JPS6025529U (ja) | 1983-07-29 | 1983-07-29 | 光ファイバ入トロリ線 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11807783U JPS6025529U (ja) | 1983-07-29 | 1983-07-29 | 光ファイバ入トロリ線 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6025529U JPS6025529U (ja) | 1985-02-21 |
| JPS641143Y2 true JPS641143Y2 (cs) | 1989-01-11 |
Family
ID=30271550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11807783U Granted JPS6025529U (ja) | 1983-07-29 | 1983-07-29 | 光ファイバ入トロリ線 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6025529U (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2738127B2 (ja) * | 1990-04-23 | 1998-04-08 | 日立電線株式会社 | 光ファイバ複合トロリ線の架線方法 |
-
1983
- 1983-07-29 JP JP11807783U patent/JPS6025529U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6025529U (ja) | 1985-02-21 |
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