JPS6322273B2 - - Google Patents

Info

Publication number
JPS6322273B2
JPS6322273B2 JP56092237A JP9223781A JPS6322273B2 JP S6322273 B2 JPS6322273 B2 JP S6322273B2 JP 56092237 A JP56092237 A JP 56092237A JP 9223781 A JP9223781 A JP 9223781A JP S6322273 B2 JPS6322273 B2 JP S6322273B2
Authority
JP
Japan
Prior art keywords
vehicle
coil
detection device
point detection
coils
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
JP56092237A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57207804A (en
Inventor
Osao Saegusa
Satoru Kishimoto
Kunio Takeshita
Masayuki Ito
Yoshiaki Ueno
Kensaku Takahashi
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.)
Railway Technical Research Institute
Hitachi Ltd
Hitachi High Tech Corp
Original Assignee
Railway Technical Research Institute
Hitachi Ltd
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 Railway Technical Research Institute, Hitachi Ltd, Hitachi Electronics Engineering Co Ltd filed Critical Railway Technical Research Institute
Priority to JP56092237A priority Critical patent/JPS57207804A/ja
Publication of JPS57207804A publication Critical patent/JPS57207804A/ja
Publication of JPS6322273B2 publication Critical patent/JPS6322273B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP56092237A 1981-06-17 1981-06-17 Spot detecting device of vehicle Granted JPS57207804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56092237A JPS57207804A (en) 1981-06-17 1981-06-17 Spot detecting device of vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56092237A JPS57207804A (en) 1981-06-17 1981-06-17 Spot detecting device of vehicle

Publications (2)

Publication Number Publication Date
JPS57207804A JPS57207804A (en) 1982-12-20
JPS6322273B2 true JPS6322273B2 (enrdf_load_stackoverflow) 1988-05-11

Family

ID=14048823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56092237A Granted JPS57207804A (en) 1981-06-17 1981-06-17 Spot detecting device of vehicle

Country Status (1)

Country Link
JP (1) JPS57207804A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4398052B2 (ja) * 2000-03-22 2010-01-13 日本信号株式会社 車輪検知装置
JP4852666B1 (ja) * 2011-03-04 2012-01-11 株式会社マコメ研究所 変位センサ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243207A (en) * 1975-09-30 1977-04-05 Dainichi Nippon Cables Ltd System for detecting position of movable article
JPS5514634U (enrdf_load_stackoverflow) * 1978-07-12 1980-01-30

Also Published As

Publication number Publication date
JPS57207804A (en) 1982-12-20

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