JPH0148961B2 - - Google Patents

Info

Publication number
JPH0148961B2
JPH0148961B2 JP58082943A JP8294383A JPH0148961B2 JP H0148961 B2 JPH0148961 B2 JP H0148961B2 JP 58082943 A JP58082943 A JP 58082943A JP 8294383 A JP8294383 A JP 8294383A JP H0148961 B2 JPH0148961 B2 JP H0148961B2
Authority
JP
Japan
Prior art keywords
abnormality
optical fiber
fiber line
information
transmission
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
JP58082943A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59206704A (ja
Inventor
Hiroaki Ikeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP58082943A priority Critical patent/JPS59206704A/ja
Publication of JPS59206704A publication Critical patent/JPS59206704A/ja
Publication of JPH0148961B2 publication Critical patent/JPH0148961B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
JP58082943A 1983-05-10 1983-05-10 光フアイバ線を用いた軌道異常監視装置 Granted JPS59206704A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58082943A JPS59206704A (ja) 1983-05-10 1983-05-10 光フアイバ線を用いた軌道異常監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58082943A JPS59206704A (ja) 1983-05-10 1983-05-10 光フアイバ線を用いた軌道異常監視装置

Publications (2)

Publication Number Publication Date
JPS59206704A JPS59206704A (ja) 1984-11-22
JPH0148961B2 true JPH0148961B2 (enrdf_load_stackoverflow) 1989-10-23

Family

ID=13788297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58082943A Granted JPS59206704A (ja) 1983-05-10 1983-05-10 光フアイバ線を用いた軌道異常監視装置

Country Status (1)

Country Link
JP (1) JPS59206704A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009019878A (ja) * 2007-07-10 2009-01-29 Ntt Infranet Co Ltd 変形量センサ、変形量測定装置、変形量測定方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61169704A (ja) * 1985-01-23 1986-07-31 Ohbayashigumi Ltd コンクリ−ト構造体のひび割れ検出方法
JP5371522B2 (ja) * 2009-04-13 2013-12-18 エヌ・ティ・ティ・インフラネット株式会社 衝撃検知システムおよび該衝撃検知システムを使用した衝撃検知方法
KR101048804B1 (ko) 2009-04-30 2011-07-12 한국유지관리 주식회사 레일 누적 통과 톤수 실측 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009019878A (ja) * 2007-07-10 2009-01-29 Ntt Infranet Co Ltd 変形量センサ、変形量測定装置、変形量測定方法

Also Published As

Publication number Publication date
JPS59206704A (ja) 1984-11-22

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