NL161101B - AC CURRENT TRACK CURRENT FOR RAILWAY SECTIONS. - Google Patents

AC CURRENT TRACK CURRENT FOR RAILWAY SECTIONS.

Info

Publication number
NL161101B
NL161101B NL7600200.A NL7600200A NL161101B NL 161101 B NL161101 B NL 161101B NL 7600200 A NL7600200 A NL 7600200A NL 161101 B NL161101 B NL 161101B
Authority
NL
Netherlands
Prior art keywords
current
railway sections
track
railway
sections
Prior art date
Application number
NL7600200.A
Other languages
Dutch (nl)
Other versions
NL7600200A (en
NL161101C (en
Original Assignee
Gen Signal Corp
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 Gen Signal Corp filed Critical Gen Signal Corp
Publication of NL7600200A publication Critical patent/NL7600200A/en
Publication of NL161101B publication Critical patent/NL161101B/en
Application granted granted Critical
Publication of NL161101C publication Critical patent/NL161101C/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 vehicle train, e.g. pedals
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current
NL7600200.A 1975-01-13 1976-01-09 AC POWER TRACK CURRENT FOR RAILWAY SECTIONS. NL161101C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US540358A US3927851A (en) 1975-01-13 1975-01-13 Alternating current track circuit apparatus

Publications (3)

Publication Number Publication Date
NL7600200A NL7600200A (en) 1976-07-15
NL161101B true NL161101B (en) 1979-08-15
NL161101C NL161101C (en) 1980-01-15

Family

ID=24155108

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7600200.A NL161101C (en) 1975-01-13 1976-01-09 AC POWER TRACK CURRENT FOR RAILWAY SECTIONS.

Country Status (6)

Country Link
US (1) US3927851A (en)
CA (1) CA1043435A (en)
GB (1) GB1529623A (en)
IT (1) IT1067244B (en)
NL (1) NL161101C (en)
ZA (1) ZA76143B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8402359D0 (en) * 1984-01-30 1984-02-29 Westinghouse Brake & Signal Track circuit
US4886226A (en) * 1988-06-23 1989-12-12 General Signal Corporation Broken rail and/or broken rail joint bar detection
IT1225716B (en) * 1988-10-26 1990-11-22 Esacontrol Spa DEVICE FOR THE PROTECTION OF TRACK RELAYS FROM ELECTRIC DISORDERS
US5181679A (en) * 1991-08-22 1993-01-26 General Railway Signal Corporation Railway train speed restriction apparatus
US5219426A (en) * 1992-02-25 1993-06-15 Union Switch & Signal Inc. Single-element coded alternating current railway track circuit having double-element, phase-selective capability
JP5005289B2 (en) * 2006-08-10 2012-08-22 株式会社日立製作所 Track circuit
US8333350B2 (en) * 2008-12-26 2012-12-18 Mag-Con Engineering Double impedance bond
DE102011006552A1 (en) * 2011-03-31 2012-10-04 Siemens Aktiengesellschaft Device for detecting the occupancy or free state of a track section and method for operating such a device
CN103158739B (en) * 2013-03-18 2015-05-13 彭岚 Method and device for dynamically handling railway track bad shunting

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605390A (en) * 1948-10-13 1952-07-29 Gen Railway Signal Co Coded track circuit signaling systems
US2854567A (en) * 1954-04-23 1958-09-30 Westinghouse Air Brake Co Railway traffic controlling apparatus
US2986628A (en) * 1956-06-01 1961-05-30 Forges Ateliers Const Electr Track circuits

Also Published As

Publication number Publication date
CA1043435A (en) 1978-11-28
GB1529623A (en) 1978-10-25
ZA76143B (en) 1976-12-29
NL7600200A (en) 1976-07-15
IT1067244B (en) 1985-03-16
NL161101C (en) 1980-01-15
AU1022276A (en) 1977-07-21
US3927851A (en) 1975-12-23

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: GEN SIGNAL