JPS5255554A - Position detecting system - Google Patents

Position detecting system

Info

Publication number
JPS5255554A
JPS5255554A JP13099775A JP13099775A JPS5255554A JP S5255554 A JPS5255554 A JP S5255554A JP 13099775 A JP13099775 A JP 13099775A JP 13099775 A JP13099775 A JP 13099775A JP S5255554 A JPS5255554 A JP S5255554A
Authority
JP
Japan
Prior art keywords
point
connection
fixed
position detecting
detecting system
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
JP13099775A
Other languages
Japanese (ja)
Other versions
JPS5839305B2 (en
Inventor
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 JP13099775A priority Critical patent/JPS5839305B2/en
Publication of JPS5255554A publication Critical patent/JPS5255554A/en
Publication of JPS5839305B2 publication Critical patent/JPS5839305B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

PURPOSE:Loop antennas are fixed to a moving body so that reception levels above a fixed level are always maintained at portions other than the points of connection of leaking coaxial cables, whereby the passage of the moving body along the point of the connection that becomes a fixed point may be detected from the lowering of the level at the point of the connection even if no other equipment is provided on the ground.
JP13099775A 1975-10-31 1975-10-31 Ichikenchi Houshiki Expired JPS5839305B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13099775A JPS5839305B2 (en) 1975-10-31 1975-10-31 Ichikenchi Houshiki

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13099775A JPS5839305B2 (en) 1975-10-31 1975-10-31 Ichikenchi Houshiki

Publications (2)

Publication Number Publication Date
JPS5255554A true JPS5255554A (en) 1977-05-07
JPS5839305B2 JPS5839305B2 (en) 1983-08-29

Family

ID=15047514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13099775A Expired JPS5839305B2 (en) 1975-10-31 1975-10-31 Ichikenchi Houshiki

Country Status (1)

Country Link
JP (1) JPS5839305B2 (en)

Also Published As

Publication number Publication date
JPS5839305B2 (en) 1983-08-29

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