JPS5327459A - Measuring system for change-over time of trolley line - Google Patents

Measuring system for change-over time of trolley line

Info

Publication number
JPS5327459A
JPS5327459A JP10163976A JP10163976A JPS5327459A JP S5327459 A JPS5327459 A JP S5327459A JP 10163976 A JP10163976 A JP 10163976A JP 10163976 A JP10163976 A JP 10163976A JP S5327459 A JPS5327459 A JP S5327459A
Authority
JP
Japan
Prior art keywords
change
trolley line
over time
measuring system
over
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
JP10163976A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5756032B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Orinobu Murata
Senyuu Hourai
Hiroaki Gomi
Masao Abe
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>
Hitachi Ltd
Japan National Railways
Hitachi High Tech Corp
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
Hitachi Ltd
Japan National Railways
Hitachi Electronics Engineering Co Ltd
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>, Hitachi Ltd, Japan National Railways, Hitachi Electronics Engineering Co Ltd filed Critical JAPANESE NATIONAL RAILWAYS<JNR>
Priority to JP10163976A priority Critical patent/JPS5327459A/ja
Publication of JPS5327459A publication Critical patent/JPS5327459A/ja
Publication of JPS5756032B2 publication Critical patent/JPS5756032B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
JP10163976A 1976-08-27 1976-08-27 Measuring system for change-over time of trolley line Granted JPS5327459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10163976A JPS5327459A (en) 1976-08-27 1976-08-27 Measuring system for change-over time of trolley line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10163976A JPS5327459A (en) 1976-08-27 1976-08-27 Measuring system for change-over time of trolley line

Publications (2)

Publication Number Publication Date
JPS5327459A true JPS5327459A (en) 1978-03-14
JPS5756032B2 JPS5756032B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-11-27

Family

ID=14305946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10163976A Granted JPS5327459A (en) 1976-08-27 1976-08-27 Measuring system for change-over time of trolley line

Country Status (1)

Country Link
JP (1) JPS5327459A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578477A (en) * 1980-06-20 1982-01-16 Japanese National Railways<Jnr> Method and apparatus for measuring changeover time of trolley wire
JP2000103260A (ja) * 1998-09-29 2000-04-11 Railway Technical Res Inst 交流き電切替無電圧時間測定装置
CN103223879A (zh) * 2012-01-30 2013-07-31 高治周 一种电力轨道交通安全控制方法及其系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578477A (en) * 1980-06-20 1982-01-16 Japanese National Railways<Jnr> Method and apparatus for measuring changeover time of trolley wire
JP2000103260A (ja) * 1998-09-29 2000-04-11 Railway Technical Res Inst 交流き電切替無電圧時間測定装置
CN103223879A (zh) * 2012-01-30 2013-07-31 高治周 一种电力轨道交通安全控制方法及其系统
CN103223879B (zh) * 2012-01-30 2017-02-08 高治周 一种电力轨道交通安全控制方法及其系统

Also Published As

Publication number Publication date
JPS5756032B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-11-27

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