AU462081B2 - Highway crossing protection apparatus - Google Patents

Highway crossing protection apparatus

Info

Publication number
AU462081B2
AU462081B2 AU45725/72A AU4572572A AU462081B2 AU 462081 B2 AU462081 B2 AU 462081B2 AU 45725/72 A AU45725/72 A AU 45725/72A AU 4572572 A AU4572572 A AU 4572572A AU 462081 B2 AU462081 B2 AU 462081B2
Authority
AU
Australia
Prior art keywords
protection apparatus
highway crossing
crossing protection
highway
protection
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.)
Expired
Application number
AU45725/72A
Other versions
AU4572572A (en
Inventor
E. STAPLES and DONALD E. STARK CRAWFORD
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
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 Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Publication of AU4572572A publication Critical patent/AU4572572A/en
Application granted granted Critical
Publication of AU462081B2 publication Critical patent/AU462081B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
    • B61L29/286—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated using conductor circuits controlled by the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
AU45725/72A 1972-05-08 1972-08-18 Highway crossing protection apparatus Expired AU462081B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25136972A 1972-05-08 1972-05-08
USUS251,369 1972-05-08

Publications (2)

Publication Number Publication Date
AU4572572A AU4572572A (en) 1974-02-21
AU462081B2 true AU462081B2 (en) 1975-06-12

Family

ID=22951662

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45725/72A Expired AU462081B2 (en) 1972-05-08 1972-08-18 Highway crossing protection apparatus

Country Status (2)

Country Link
US (1) US3781543A (en)
AU (1) AU462081B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151969A (en) * 1977-09-12 1979-05-01 Southern Railway Company System for selectively determining the location of a railway car moving along a railway track
US4251041A (en) * 1978-07-12 1981-02-17 General Signal Corporation Multiplexing means for motion detectors at grade crossings
US4581700A (en) * 1981-08-07 1986-04-08 Sab Harmon Industries, Inc. Processing system for grade crossing warning
US5735492A (en) * 1991-02-04 1998-04-07 Pace; Joseph A. Railroad crossing traffic warning system apparatus and method therefore
US5954299A (en) * 1991-02-04 1999-09-21 Eva Signal Corporation Railroad crossing traffic warning system apparatus and method therefore
US6113037A (en) * 1991-02-04 2000-09-05 Eva Signal Corporation Railroad maintenance-of-way personnel warning system apparatus and method therefor
EP0939718A4 (en) * 1996-01-12 2003-07-16 Signal Corporation Eva Railroad traffic warning system apparatus and method therefor

Also Published As

Publication number Publication date
AU4572572A (en) 1974-02-21
US3781543A (en) 1973-12-25

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