SE318594B - - Google Patents

Info

Publication number
SE318594B
SE318594B SE9235/66A SE923566A SE318594B SE 318594 B SE318594 B SE 318594B SE 9235/66 A SE9235/66 A SE 9235/66A SE 923566 A SE923566 A SE 923566A SE 318594 B SE318594 B SE 318594B
Authority
SE
Sweden
Prior art keywords
track
relay
receivers
transmitter
circuit
Prior art date
Application number
SE9235/66A
Other languages
English (en)
Inventor
C Staples
Original Assignee
Westinghouse Air Brake Co
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 Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Publication of SE318594B publication Critical patent/SE318594B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
    • B61L23/16—Track circuits specially adapted for section blocking
    • B61L23/166—Track circuits specially adapted for section blocking using alternating current
    • 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)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
SE9235/66A 1965-05-06 1966-07-06 SE318594B (cs)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US453741A US3345512A (en) 1965-05-06 1965-05-06 Audio frequency overlay detector track circuit for electric propulsion territory
US47071365A 1965-07-09 1965-07-09

Publications (1)

Publication Number Publication Date
SE318594B true SE318594B (cs) 1969-12-15

Family

ID=27037231

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9235/66A SE318594B (cs) 1965-05-06 1966-07-06

Country Status (4)

Country Link
US (1) US3345512A (cs)
BR (1) BR6678950D0 (cs)
GB (1) GB1101882A (cs)
SE (1) SE318594B (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526378A (en) * 1967-08-23 1970-09-01 Westinghouse Electric Corp Signaling system for determining the presence of a train vehicle
US3524054A (en) * 1968-01-08 1970-08-11 Gen Signal Corp High frequency track circuits for rail-roads interrelated at switches and crossovers
FR2214620B1 (cs) * 1973-01-19 1975-04-04 Jeumont Schneider
ZA743701B (en) * 1974-06-11 1975-06-25 Western Industries Pty Improvements in electrical detective circuits
US4645148A (en) * 1985-05-16 1987-02-24 American Standard Inc. Fail-safe voltage-limiting circuit for an audio frequency overlay track circuit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1324912A (en) * 1919-12-16 Sylvania
US1094894A (en) * 1910-10-11 1914-04-28 Union Switch & Signal Co Block-signal system.
US2930888A (en) * 1956-03-05 1960-03-29 Archibald M Crawford Coupling speed control device
US3046392A (en) * 1958-03-03 1962-07-24 Westinghouse Air Brake Co Control circuits
US2993116A (en) * 1958-12-03 1961-07-18 Westinghouse Air Brake Co Electronic track circuit
US3035167A (en) * 1958-12-03 1962-05-15 Westinghouse Air Brake Co Railway track circuit
US3069542A (en) * 1960-06-07 1962-12-18 Westinghouse Air Brake Co Railway track circuits
US3267281A (en) * 1962-09-10 1966-08-16 Gen Signal Corp Highway crossing system

Also Published As

Publication number Publication date
GB1101882A (en) 1968-01-31
BR6678950D0 (pt) 1973-08-09
US3345512A (en) 1967-10-03

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