CA1013062A - Alternate polarity pulse track circuit improvement - Google Patents

Alternate polarity pulse track circuit improvement

Info

Publication number
CA1013062A
CA1013062A CA206,668A CA206668A CA1013062A CA 1013062 A CA1013062 A CA 1013062A CA 206668 A CA206668 A CA 206668A CA 1013062 A CA1013062 A CA 1013062A
Authority
CA
Canada
Prior art keywords
track circuit
polarity pulse
alternate polarity
pulse track
circuit improvement
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
CA206,668A
Other languages
French (fr)
Other versions
CA206668S (en
Inventor
Daniel Laurent
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.)
Jeumont Schneider SA
Original Assignee
Jeumont Schneider SA
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 Jeumont Schneider SA filed Critical Jeumont Schneider SA
Application granted granted Critical
Publication of CA1013062A publication Critical patent/CA1013062A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
CA206,668A 1973-08-10 1974-08-09 Alternate polarity pulse track circuit improvement Expired CA1013062A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7329282A FR2240673A5 (en) 1973-08-10 1973-08-10 Railway system AC pulsed track circuits - eliminates stray interference effects from return traction current

Publications (1)

Publication Number Publication Date
CA1013062A true CA1013062A (en) 1977-06-28

Family

ID=9123858

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206,668A Expired CA1013062A (en) 1973-08-10 1974-08-09 Alternate polarity pulse track circuit improvement

Country Status (6)

Country Link
BE (1) BE818563A (en)
CA (1) CA1013062A (en)
FR (1) FR2240673A5 (en)
IN (1) IN140794B (en)
TR (1) TR18141A (en)
ZA (1) ZA744597B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461626A1 (en) * 1979-07-16 1981-02-06 Jeumont Schneider DEVICE FOR SUPPLYING AND MONITORING THE CORRECT FUNCTIONING OF A RAILWAY SIGNALING FIRE
FR2591980B1 (en) * 1985-12-23 1988-02-12 Jeumont Schneider DEVICE FOR EXTRACTING THE PULSE SIGNAL AMONG INTERFERED SIGNALS IN A RECEIVER OF A RAILWAY CIRCUIT
GB2278005B (en) * 1993-05-14 1997-01-15 Westinghouse Brake & Signal Impedance bonds

Also Published As

Publication number Publication date
ZA744597B (en) 1975-07-30
BE818563A (en) 1974-12-02
AU7176274A (en) 1976-01-29
TR18141A (en) 1976-10-08
IN140794B (en) 1976-12-25
FR2240673A5 (en) 1975-03-07

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