IT1127479B - Perfezionamento nei circuiti di trasformatori a campo incrociato per sistemi elettronici di segnaliazioni ferroviarie - Google Patents

Perfezionamento nei circuiti di trasformatori a campo incrociato per sistemi elettronici di segnaliazioni ferroviarie

Info

Publication number
IT1127479B
IT1127479B IT48828/80A IT4882880A IT1127479B IT 1127479 B IT1127479 B IT 1127479B IT 48828/80 A IT48828/80 A IT 48828/80A IT 4882880 A IT4882880 A IT 4882880A IT 1127479 B IT1127479 B IT 1127479B
Authority
IT
Italy
Prior art keywords
circuits
improvement
cross
signaling systems
railway signaling
Prior art date
Application number
IT48828/80A
Other languages
English (en)
Other versions
IT8048828A0 (it
Inventor
Heinz Gilcher
Original Assignee
American Standard Inc
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 American Standard Inc filed Critical American Standard Inc
Publication of IT8048828A0 publication Critical patent/IT8048828A0/it
Application granted granted Critical
Publication of IT1127479B publication Critical patent/IT1127479B/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
IT48828/80A 1979-05-31 1980-05-29 Perfezionamento nei circuiti di trasformatori a campo incrociato per sistemi elettronici di segnaliazioni ferroviarie IT1127479B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/044,124 US4298179A (en) 1979-05-31 1979-05-31 Vital cross field transformer circuit arrangement for railroad signaling systems

Publications (2)

Publication Number Publication Date
IT8048828A0 IT8048828A0 (it) 1980-05-29
IT1127479B true IT1127479B (it) 1986-05-21

Family

ID=21930642

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48828/80A IT1127479B (it) 1979-05-31 1980-05-29 Perfezionamento nei circuiti di trasformatori a campo incrociato per sistemi elettronici di segnaliazioni ferroviarie

Country Status (6)

Country Link
US (1) US4298179A (it)
AU (1) AU535859B2 (it)
BR (1) BR8003259A (it)
CA (1) CA1154855A (it)
GB (1) GB2055497B (it)
IT (1) IT1127479B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392626A (en) * 1981-09-14 1983-07-12 American Standard Inc. Vital protection arrangement for railroad track circuits
US4535959A (en) * 1982-08-02 1985-08-20 American Standard Inc. Vital solid state relay for railroad alternating current track circuits
US4886226A (en) * 1988-06-23 1989-12-12 General Signal Corporation Broken rail and/or broken rail joint bar detection
US5331288A (en) * 1991-03-21 1994-07-19 Union Switch & Signal Inc. Railroad rail signal receiver having frequency conversion and a resonant tuned transformer secondary
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
US5330134A (en) * 1992-05-13 1994-07-19 Union Switch & Signal Inc. Railway cab signal
US5263669A (en) * 1992-05-15 1993-11-23 Union Switch & Signal Inc. Railway cab signal transmitter
US5737173A (en) * 1994-04-29 1998-04-07 Safetran Systems Corporation Railroad track circuit vital relay control
US7676194B2 (en) 2003-08-22 2010-03-09 Rappaport Theodore S Broadband repeater with security for ultrawideband technologies
US7296770B2 (en) * 2005-05-24 2007-11-20 Union Switch & Signal, Inc. Electronic vital relay

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1910381A (en) * 1929-12-26 1933-05-23 Union Switch & Signal Co Electrical translating apparatus
US2911586A (en) * 1954-11-12 1959-11-03 Gen Electric Electric control signal deriving system
US3183432A (en) * 1961-08-18 1965-05-11 Intron Int Inc Voltage or current regulator
US3970271A (en) * 1975-03-27 1976-07-20 General Signal Corporation Dual frequency track circuit
CA1053791A (en) * 1975-08-21 1979-05-01 General Signal Corporation Vital relay operating circuit

Also Published As

Publication number Publication date
GB2055497A (en) 1981-03-04
CA1154855A (en) 1983-10-04
AU535859B2 (en) 1984-04-05
BR8003259A (pt) 1980-12-30
GB2055497B (en) 1983-03-16
US4298179A (en) 1981-11-03
AU5891980A (en) 1980-12-04
IT8048828A0 (it) 1980-05-29

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