JPS534911A - Train approach detector - Google Patents

Train approach detector

Info

Publication number
JPS534911A
JPS534911A JP7774576A JP7774576A JPS534911A JP S534911 A JPS534911 A JP S534911A JP 7774576 A JP7774576 A JP 7774576A JP 7774576 A JP7774576 A JP 7774576A JP S534911 A JPS534911 A JP S534911A
Authority
JP
Japan
Prior art keywords
train approach
approach detector
detector
train
mis
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.)
Pending
Application number
JP7774576A
Other languages
Japanese (ja)
Inventor
Kunio Saito
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP7774576A priority Critical patent/JPS534911A/en
Publication of JPS534911A publication Critical patent/JPS534911A/en
Pending legal-status Critical Current

Links

Landscapes

  • Machines For Laying And Maintaining Railways (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

PURPOSE: To provide a train approach detector, which can not mis-operate due to vibration upon working.
COPYRIGHT: (C)1978,JPO&Japio
JP7774576A 1976-07-02 1976-07-02 Train approach detector Pending JPS534911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7774576A JPS534911A (en) 1976-07-02 1976-07-02 Train approach detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7774576A JPS534911A (en) 1976-07-02 1976-07-02 Train approach detector

Publications (1)

Publication Number Publication Date
JPS534911A true JPS534911A (en) 1978-01-18

Family

ID=13642436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7774576A Pending JPS534911A (en) 1976-07-02 1976-07-02 Train approach detector

Country Status (1)

Country Link
JP (1) JPS534911A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016011092A (en) * 2014-06-30 2016-01-21 日本信号株式会社 Abnormality determination device, data transmission device, and abnormality determination system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016011092A (en) * 2014-06-30 2016-01-21 日本信号株式会社 Abnormality determination device, data transmission device, and abnormality determination system

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