IT996636B - Sistema di protezione in sicurezza per passaggi a livello ferroviari - Google Patents

Sistema di protezione in sicurezza per passaggi a livello ferroviari

Info

Publication number
IT996636B
IT996636B IT69621/73A IT6962173A IT996636B IT 996636 B IT996636 B IT 996636B IT 69621/73 A IT69621/73 A IT 69621/73A IT 6962173 A IT6962173 A IT 6962173A IT 996636 B IT996636 B IT 996636B
Authority
IT
Italy
Prior art keywords
protection system
safe protection
railway crossings
crossings
railway
Prior art date
Application number
IT69621/73A
Other languages
English (en)
Inventor
T Vaughn
J Darrow
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
Application granted granted Critical
Publication of IT996636B publication Critical patent/IT996636B/it

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)
IT69621/73A 1972-09-07 1973-09-03 Sistema di protezione in sicurezza per passaggi a livello ferroviari IT996636B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28687272A 1972-09-07 1972-09-07

Publications (1)

Publication Number Publication Date
IT996636B true IT996636B (it) 1975-12-10

Family

ID=23100535

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69621/73A IT996636B (it) 1972-09-07 1973-09-03 Sistema di protezione in sicurezza per passaggi a livello ferroviari

Country Status (4)

Country Link
US (1) US3781541A (it)
AU (1) AU476361B2 (it)
CA (1) CA965863A (it)
IT (1) IT996636B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172576A (en) * 1977-06-21 1979-10-30 General Signal Corporation Highway crossing system with motion detecting apparatus
US4365777A (en) * 1979-08-17 1982-12-28 Modern Industries Signal Equipment, Inc. Train approach detector
GB8320509D0 (en) * 1983-07-29 1983-09-01 Westinghouse Brake & Signal Proving safe operation
US4893119A (en) * 1987-09-08 1990-01-09 Nasatka Barrier, Inc. Method and apparatus for operating a vehicle barricade
US5092544A (en) * 1989-12-22 1992-03-03 General Railway Signal Corp. Highway crossing control system for railroads utilizing a communications link between the train locomotive and the crossing protection equipment
US5098044A (en) * 1989-12-22 1992-03-24 General Railway Signal Corporation Highway crossing control system for railroads utilizing a communications link between the train locomotive and the crossing protection equipment
US5022613A (en) * 1990-04-26 1991-06-11 Safetran Systems Corporation AC and battery backup supply for a railroad crossing gate
US5459663A (en) * 1993-12-10 1995-10-17 Union Switch & Signal Inc. Cab signal apparatus and method
US7075427B1 (en) * 1996-01-12 2006-07-11 Eva Signal Corporation Traffic warning system
US6381506B1 (en) 1996-11-27 2002-04-30 Victor Grappone Fail-safe microprocessor-based control and monitoring of electrical devices

Also Published As

Publication number Publication date
US3781541A (en) 1973-12-25
AU5573773A (en) 1974-11-21
AU476361B2 (en) 1976-09-16
CA965863A (en) 1975-04-08

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