JPS5241304A - Train access alarming system having an erroneous alarm preventing circ uit - Google Patents

Train access alarming system having an erroneous alarm preventing circ uit

Info

Publication number
JPS5241304A
JPS5241304A JP50116389A JP11638975A JPS5241304A JP S5241304 A JPS5241304 A JP S5241304A JP 50116389 A JP50116389 A JP 50116389A JP 11638975 A JP11638975 A JP 11638975A JP S5241304 A JPS5241304 A JP S5241304A
Authority
JP
Japan
Prior art keywords
alarming system
train access
train
erroneous alarm
circ uit
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
JP50116389A
Other languages
Japanese (ja)
Inventor
Shinzo Shioda
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP50116389A priority Critical patent/JPS5241304A/en
Publication of JPS5241304A publication Critical patent/JPS5241304A/en
Pending legal-status Critical Current

Links

Landscapes

  • Train Traffic Observation, Control, And Security (AREA)

Abstract

PURPOSE:In a train access alarming system in which access of a train is detected from vibrations produced on the rail, to correctly distingush the signal of train access from noise signals produced from various construction works carried out in the vicinity of the railroad.
JP50116389A 1975-09-29 1975-09-29 Train access alarming system having an erroneous alarm preventing circ uit Pending JPS5241304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50116389A JPS5241304A (en) 1975-09-29 1975-09-29 Train access alarming system having an erroneous alarm preventing circ uit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50116389A JPS5241304A (en) 1975-09-29 1975-09-29 Train access alarming system having an erroneous alarm preventing circ uit

Publications (1)

Publication Number Publication Date
JPS5241304A true JPS5241304A (en) 1977-03-30

Family

ID=14685801

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50116389A Pending JPS5241304A (en) 1975-09-29 1975-09-29 Train access alarming system having an erroneous alarm preventing circ uit

Country Status (1)

Country Link
JP (1) JPS5241304A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54139970A (en) * 1978-04-22 1979-10-30 Takashi Ishikawa Machine for making foamed plate
JP2007126733A (en) * 2005-11-07 2007-05-24 Nippon Steel Corp Double dish granulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54139970A (en) * 1978-04-22 1979-10-30 Takashi Ishikawa Machine for making foamed plate
JP2007126733A (en) * 2005-11-07 2007-05-24 Nippon Steel Corp Double dish granulator

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