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
Application number
JP11807783U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6025529U (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11807783U priority Critical patent/JPS6025529U/ja
Publication of JPS6025529U publication Critical patent/JPS6025529U/ja
Application granted granted Critical
Publication of JPS641143Y2 publication Critical patent/JPS641143Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Light Guides In General And Applications Therefor (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP11807783U 1983-07-29 1983-07-29 光ファイバ入トロリ線 Granted JPS6025529U (ja)

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 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS6025529U (ja) 1985-02-21

Similar Documents

Publication Publication Date Title
US4986498A (en) Device for determining the condition of railway switches or railway crossings
CA1292766C (en) Monitoring device for overhead power transmission system
CN104425935B (zh) 用于升降装置中的测量尺的连接装置
JPS641143Y2 (enrdf_load_stackoverflow)
CN109611478A (zh) 一种可调式刹车片磨损报警线束组件
CN109974588A (zh) 一种电气化铁路接触网中接触线磨耗监测设备
CN108698623B (zh) 铁道车辆的脱轨检测方法和装置
JPS641144Y2 (enrdf_load_stackoverflow)
EP0269307A1 (en) Condition indicator system for wearable elements
KR102593739B1 (ko) 무선파워 트랙을 위한 단선감지형 정션박스
US4348907A (en) Retirement elongation indicator for mast raising lines
KR100730732B1 (ko) 길이조절이 가능한 행거이어
CN217358814U (zh) 一种超薄光纤光栅压力环传感器
CN210591923U (zh) 一种钢轨变形监测装置
CN217587672U (zh) 一种内嵌光纤光栅传感器索结构用信号接口
JP2001253272A (ja) 光ファイバ入りトロリ線
CN115773834B (zh) 一种接触力检测装置及受电弓
JPH0270539A (ja) 警報線付トロリ線
JPH0238410B2 (ja) Hikarifuaibafukugokakutororisenro
JPH0510881B2 (enrdf_load_stackoverflow)
JPH04236111A (ja) 架空電線の着雪監視装置
JP2001037003A (ja) 集電すり板
CN213865105U (zh) 一种起重机防啃轨装置
JPS58198103A (ja) パンタグラフ異常検出装置
JPH0611502Y2 (ja) 光フアイバ複合架空地線を利用した故障箇所検出装置