AU6013973A - Highway crossing protection apparatus - Google Patents

Highway crossing protection apparatus

Info

Publication number
AU6013973A
AU6013973A AU60139/73A AU6013973A AU6013973A AU 6013973 A AU6013973 A AU 6013973A AU 60139/73 A AU60139/73 A AU 60139/73A AU 6013973 A AU6013973 A AU 6013973A AU 6013973 A AU6013973 A AU 6013973A
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
AU60139/73A
Inventor
John W Kramer
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 AU6013973A publication Critical patent/AU6013973A/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)
AU60139/73A 1973-03-02 1973-09-10 Highway crossing protection apparatus Expired AU6013973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00337596A US3819934A (en) 1973-03-02 1973-03-02 Fail-safe solid state highway crossing protection apparatus

Publications (1)

Publication Number Publication Date
AU6013973A true AU6013973A (en) 1975-03-13

Family

ID=23321184

Family Applications (1)

Application Number Title Priority Date Filing Date
AU60139/73A Expired AU6013973A (en) 1973-03-02 1973-09-10 Highway crossing protection apparatus

Country Status (4)

Country Link
US (1) US3819934A (en)
AU (1) AU6013973A (en)
CA (1) CA965864A (en)
IT (1) IT1004913B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995173A (en) * 1974-05-30 1976-11-30 General Signal Corporation Solid state fail-safe logic system
US7250141B2 (en) * 2004-02-27 2007-07-31 Honeywell International, Inc. Augmented catalytic heat exchanger system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035167A (en) * 1958-12-03 1962-05-15 Westinghouse Air Brake Co Railway track circuit
US3046393A (en) * 1958-12-12 1962-07-24 Westinghouse Air Brake Co Apparatus for the control of highway crossing signals
US3004150A (en) * 1959-08-04 1961-10-10 Westinghouse Air Brake Co Highway crossing protection systems
GB1368604A (en) * 1970-10-29 1974-10-02 Westinghouse Brake & Signal Static relaying circuit

Also Published As

Publication number Publication date
CA965864A (en) 1975-04-08
US3819934A (en) 1974-06-25
IT1004913B (en) 1976-07-20

Similar Documents

Publication Publication Date Title
AU7558474A (en) Tennis practice system
AU7002974A (en) Apparatus
IL44340A0 (en) Pavement stone arrangement
AU8060475A (en) Plastic traffic barricade
CA1015191A (en) Roadside safety apparatus
CA1004402A (en) Maternity protection device
ZA742530B (en) Crushing apparatus
ZA747150B (en) Amine modified polymers
ZA742061B (en) Alarm apparatus
JPS49113362A (en) Slag-removing apparatus
GB1442360A (en) Electro-optical device
CS186262B2 (en) High-tension device
AU7528374A (en) Development apparatus
AU6783574A (en) Amines
ZA732034B (en) Foam-water sprinkler device
AU7323974A (en) Signal devices
AU462081B2 (en) Highway crossing protection apparatus
AU7038474A (en) Apparatus
AU6013973A (en) Highway crossing protection apparatus
GB1409226A (en) Shearing apparatus
GB1437828A (en) Agitotor device
ZA744330B (en) Vehicle-actuated device
AU7098474A (en) Crash barriers
AU6427074A (en) Fuse blocks
JPS5279696A (en) Barricade