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 (enrdf_load_stackoverflow
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

  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic 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 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 1986-08-12

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