BE818563A - IMPROVEMENT OF ALTERNATE POLARITY PULSE TRACK CIRCUITS - Google Patents

IMPROVEMENT OF ALTERNATE POLARITY PULSE TRACK CIRCUITS

Info

Publication number
BE818563A
BE818563A BE1006113A BE1006113A BE818563A BE 818563 A BE818563 A BE 818563A BE 1006113 A BE1006113 A BE 1006113A BE 1006113 A BE1006113 A BE 1006113A BE 818563 A BE818563 A BE 818563A
Authority
BE
Belgium
Prior art keywords
improvement
track circuits
polarity pulse
alternate polarity
pulse track
Prior art date
Application number
BE1006113A
Other languages
French (fr)
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 BE818563A publication Critical patent/BE818563A/en

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)
BE1006113A 1973-08-10 1974-08-07 IMPROVEMENT OF ALTERNATE POLARITY PULSE TRACK CIRCUITS BE818563A (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
BE818563A true BE818563A (en) 1974-12-02

Family

ID=9123858

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1006113A BE818563A (en) 1973-08-10 1974-08-07 IMPROVEMENT OF ALTERNATE POLARITY PULSE TRACK CIRCUITS

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
FR2240673A5 (en) 1975-03-07
IN140794B (en) 1976-12-25
ZA744597B (en) 1975-07-30
TR18141A (en) 1976-10-08
CA1013062A (en) 1977-06-28
AU7176274A (en) 1976-01-29

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOC. JEUMONT SCHNEIDER

Effective date: 19900831