JPS5552901A - Contactless measurement of gauge and line disorder - Google Patents

Contactless measurement of gauge and line disorder

Info

Publication number
JPS5552901A
JPS5552901A JP12618678A JP12618678A JPS5552901A JP S5552901 A JPS5552901 A JP S5552901A JP 12618678 A JP12618678 A JP 12618678A JP 12618678 A JP12618678 A JP 12618678A JP S5552901 A JPS5552901 A JP S5552901A
Authority
JP
Japan
Prior art keywords
detectors
gauge
impedance
truck
measurements
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.)
Granted
Application number
JP12618678A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6135323B2 (2
Inventor
Yasushi Shirota
Kiyoshi Sato
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.)
JAPANESE NATIONAL RAILWAYS<JNR>
Japan National Railways
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
Japan National Railways
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 JAPANESE NATIONAL RAILWAYS<JNR>, Japan National Railways filed Critical JAPANESE NATIONAL RAILWAYS<JNR>
Priority to JP12618678A priority Critical patent/JPS5552901A/ja
Publication of JPS5552901A publication Critical patent/JPS5552901A/ja
Publication of JPS6135323B2 publication Critical patent/JPS6135323B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Machines For Laying And Maintaining Railways (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
JP12618678A 1978-10-16 1978-10-16 Contactless measurement of gauge and line disorder Granted JPS5552901A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12618678A JPS5552901A (en) 1978-10-16 1978-10-16 Contactless measurement of gauge and line disorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12618678A JPS5552901A (en) 1978-10-16 1978-10-16 Contactless measurement of gauge and line disorder

Publications (2)

Publication Number Publication Date
JPS5552901A true JPS5552901A (en) 1980-04-17
JPS6135323B2 JPS6135323B2 (2) 1986-08-12

Family

ID=14928813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12618678A Granted JPS5552901A (en) 1978-10-16 1978-10-16 Contactless measurement of gauge and line disorder

Country Status (1)

Country Link
JP (1) JPS5552901A (2)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749801A (en) * 1980-09-10 1982-03-24 Japanese National Railways<Jnr> Eddy current type rail displacement sensor
US6995556B2 (en) 2002-07-23 2006-02-07 Ensco, Inc. Electromagnetic gage sensing system and method for railroad track inspection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749801A (en) * 1980-09-10 1982-03-24 Japanese National Railways<Jnr> Eddy current type rail displacement sensor
US6995556B2 (en) 2002-07-23 2006-02-07 Ensco, Inc. Electromagnetic gage sensing system and method for railroad track inspection

Also Published As

Publication number Publication date
JPS6135323B2 (2) 1986-08-12

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