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JPS5220507A - Tester for automatic train control means - Google Patents

Tester for automatic train control means

Info

Publication number
JPS5220507A
JPS5220507A JP9580375A JP9580375A JPS5220507A JP S5220507 A JPS5220507 A JP S5220507A JP 9580375 A JP9580375 A JP 9580375A JP 9580375 A JP9580375 A JP 9580375A JP S5220507 A JPS5220507 A JP S5220507A
Authority
JP
Japan
Prior art keywords
tester
signal
control means
train control
automatic train
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
JP9580375A
Other languages
Japanese (ja)
Inventor
Toshihiro Suzuki
Shigeru Kuwana
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 JP9580375A priority Critical patent/JPS5220507A/en
Publication of JPS5220507A publication Critical patent/JPS5220507A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

PURPOSE: To provide an economical tester, for an automatic train control means, which produces a frequency signal proportional to the value of digital data corresponding to the selected signal frequency and corrects the output signal by monitoring this signal and pilot signal and thus makes the signal frequency variable.
COPYRIGHT: (C)1977,JPO&Japio
JP9580375A 1975-08-08 1975-08-08 Tester for automatic train control means Pending JPS5220507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9580375A JPS5220507A (en) 1975-08-08 1975-08-08 Tester for automatic train control means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9580375A JPS5220507A (en) 1975-08-08 1975-08-08 Tester for automatic train control means

Publications (1)

Publication Number Publication Date
JPS5220507A true JPS5220507A (en) 1977-02-16

Family

ID=14147578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9580375A Pending JPS5220507A (en) 1975-08-08 1975-08-08 Tester for automatic train control means

Country Status (1)

Country Link
JP (1) JPS5220507A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52113831U (en) * 1976-02-25 1977-08-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52113831U (en) * 1976-02-25 1977-08-30
JPS5814049Y2 (en) * 1976-02-25 1983-03-18 株式会社ダイヘン DC arc welding machine

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