JPS57110560A - Detector for obstacle at railload crossing - Google Patents

Detector for obstacle at railload crossing

Info

Publication number
JPS57110560A
JPS57110560A JP55185197A JP18519780A JPS57110560A JP S57110560 A JPS57110560 A JP S57110560A JP 55185197 A JP55185197 A JP 55185197A JP 18519780 A JP18519780 A JP 18519780A JP S57110560 A JPS57110560 A JP S57110560A
Authority
JP
Japan
Prior art keywords
railload
obstacle
crossing
detector
railload crossing
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
JP55185197A
Other languages
Japanese (ja)
Other versions
JPS6244625B2 (en
Inventor
Shinichi Hashimoto
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.)
Nippon Signal Co Ltd
Original Assignee
Nippon Signal Co 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 Nippon Signal Co Ltd filed Critical Nippon Signal Co Ltd
Priority to JP55185197A priority Critical patent/JPS57110560A/en
Publication of JPS57110560A publication Critical patent/JPS57110560A/en
Publication of JPS6244625B2 publication Critical patent/JPS6244625B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
JP55185197A 1980-12-29 1980-12-29 Detector for obstacle at railload crossing Granted JPS57110560A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55185197A JPS57110560A (en) 1980-12-29 1980-12-29 Detector for obstacle at railload crossing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55185197A JPS57110560A (en) 1980-12-29 1980-12-29 Detector for obstacle at railload crossing

Publications (2)

Publication Number Publication Date
JPS57110560A true JPS57110560A (en) 1982-07-09
JPS6244625B2 JPS6244625B2 (en) 1987-09-21

Family

ID=16166553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55185197A Granted JPS57110560A (en) 1980-12-29 1980-12-29 Detector for obstacle at railload crossing

Country Status (1)

Country Link
JP (1) JPS57110560A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5966796A (en) * 1982-10-08 1984-04-16 久保田　俊剛 Disaster prevention of disaster for work close to aerial li-ne
JPS60169586U (en) * 1984-04-18 1985-11-11 京阪電気鉄道株式会社 Dual optical obstacle detection device
JPS62170873A (en) * 1986-01-20 1987-07-27 アクチエンゲゼルシヤフト　フユ−ル　インヅストリエル　エレクトロニク　アギ−　ロ−ソネ　バイ　ロカルノ Optical barrier device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53142694U (en) * 1977-04-15 1978-11-10
JPS5458148U (en) * 1977-09-30 1979-04-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53142694U (en) * 1977-04-15 1978-11-10
JPS5458148U (en) * 1977-09-30 1979-04-21

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5966796A (en) * 1982-10-08 1984-04-16 久保田　俊剛 Disaster prevention of disaster for work close to aerial li-ne
JPS60169586U (en) * 1984-04-18 1985-11-11 京阪電気鉄道株式会社 Dual optical obstacle detection device
JPS62170873A (en) * 1986-01-20 1987-07-27 アクチエンゲゼルシヤフト　フユ−ル　インヅストリエル　エレクトロニク　アギ−　ロ−ソネ　バイ　ロカルノ Optical barrier device

Also Published As

Publication number Publication date
JPS6244625B2 (en) 1987-09-21

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