JPS57166569A - Detection system for position of moving body - Google Patents

Detection system for position of moving body

Info

Publication number
JPS57166569A
JPS57166569A JP56052529A JP5252981A JPS57166569A JP S57166569 A JPS57166569 A JP S57166569A JP 56052529 A JP56052529 A JP 56052529A JP 5252981 A JP5252981 A JP 5252981A JP S57166569 A JPS57166569 A JP S57166569A
Authority
JP
Japan
Prior art keywords
frequency
antenna
fed
moving body
twice
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
JP56052529A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6322268B2 (enrdf_load_stackoverflow
Inventor
Tatsu Hatta
Tai Kusakabe
Fumiki Sone
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP56052529A priority Critical patent/JPS57166569A/ja
Publication of JPS57166569A publication Critical patent/JPS57166569A/ja
Publication of JPS6322268B2 publication Critical patent/JPS6322268B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Control Of Linear Motors (AREA)
JP56052529A 1981-04-08 1981-04-08 Detection system for position of moving body Granted JPS57166569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56052529A JPS57166569A (en) 1981-04-08 1981-04-08 Detection system for position of moving body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56052529A JPS57166569A (en) 1981-04-08 1981-04-08 Detection system for position of moving body

Publications (2)

Publication Number Publication Date
JPS57166569A true JPS57166569A (en) 1982-10-14
JPS6322268B2 JPS6322268B2 (enrdf_load_stackoverflow) 1988-05-11

Family

ID=12917273

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56052529A Granted JPS57166569A (en) 1981-04-08 1981-04-08 Detection system for position of moving body

Country Status (1)

Country Link
JP (1) JPS57166569A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0288870U (enrdf_load_stackoverflow) * 1988-12-28 1990-07-13

Also Published As

Publication number Publication date
JPS6322268B2 (enrdf_load_stackoverflow) 1988-05-11

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