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AU459332B2 - Train detection system for railroad grade crossing - Google Patents

Train detection system for railroad grade crossing

Info

Publication number
AU459332B2
AU459332B2 AU34167/71A AU3416771A AU459332B2 AU 459332 B2 AU459332 B2 AU 459332B2 AU 34167/71 A AU34167/71 A AU 34167/71A AU 3416771 A AU3416771 A AU 3416771A AU 459332 B2 AU459332 B2 AU 459332B2
Authority
AU
Australia
Prior art keywords
detection system
train detection
grade crossing
railroad grade
railroad
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
AU34167/71A
Other versions
AU3416771A (en
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 filed Critical
Publication of AU3416771A publication Critical patent/AU3416771A/en
Application granted granted Critical
Publication of AU459332B2 publication Critical patent/AU459332B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
    • B61L13/005—Operation of signals from the vehicle or by the passage of the vehicle optically actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
AU34167/71A 1971-01-19 1971-10-05 Train detection system for railroad grade crossing Expired AU459332B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10765671A 1971-01-19 1971-01-19

Publications (2)

Publication Number Publication Date
AU3416771A AU3416771A (en) 1973-04-12
AU459332B2 true AU459332B2 (en) 1975-03-20

Family

ID=22317742

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34167/71A Expired AU459332B2 (en) 1971-01-19 1971-10-05 Train detection system for railroad grade crossing

Country Status (2)

Country Link
US (1) US3725699A (en)
AU (1) AU459332B2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4653002A (en) * 1984-09-26 1987-03-24 Westinghouse Electric Corp. Navigation system for unmanned vehicles
US5787369A (en) * 1996-02-21 1998-07-28 Knaak; Theodore F. Object detection system and method for railways
US5680120A (en) * 1996-07-12 1997-10-21 Aspen Systems Inc. Transportation safety apparatus and method
US6572056B2 (en) * 2001-01-23 2003-06-03 Alstom Signaling, Inc. Method and apparatus for uniform time warning of railroad trains
US7578910B2 (en) * 2002-08-19 2009-08-25 Sae Inc. Deep well anodes for electrical grounding
US20060005967A1 (en) * 2002-08-19 2006-01-12 Sirola D B Deep well anodes for electrical grounding
US9956972B2 (en) * 2015-03-02 2018-05-01 Siemens Industry, Inc. Detection of dynamic train-to-rail shunting performance
US10752273B2 (en) * 2017-07-17 2020-08-25 Siemens Mobility, Inc. Train direction and speed determinations using laser measurements
CA2988847A1 (en) 2017-08-14 2019-02-14 Shore Acres Enterprises Inc. Corrosion-protective jacket for electrode
US11121482B2 (en) 2017-10-04 2021-09-14 Shore Acres Enterprises Inc. Electrically-conductive corrosion-protective covering
US11421392B2 (en) 2019-12-18 2022-08-23 Shore Acres Enterprises Inc. Metallic structure with water impermeable and electrically conductive cementitous surround
GB2619135B (en) * 2023-03-15 2024-06-26 British Steel Ltd Apparatus and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2039820A (en) * 1934-11-13 1936-05-05 Union Switch & Signal Co Railway traffic controlling apparatus
US2061785A (en) * 1935-06-15 1936-11-24 Union Switch & Signal Co Controlling apparatus for highway crossing signals
US2494435A (en) * 1945-04-12 1950-01-10 Gen Railway Signal Co Crossover protection system for railroads
US3004149A (en) * 1959-10-28 1961-10-10 Westinghouse Air Brake Co Railway track occupancy detectors
US3500063A (en) * 1968-06-10 1970-03-10 Rca Corp Scanning laser obstruction detection system utilizing a retroreflective strip

Also Published As

Publication number Publication date
US3725699A (en) 1973-04-03
AU3416771A (en) 1973-04-12

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