BR7102691D0 - Aparelhamento de circuito continuo aperfeicoado de corrente alternada para linhas de trilho - Google Patents

Aparelhamento de circuito continuo aperfeicoado de corrente alternada para linhas de trilho

Info

Publication number
BR7102691D0
BR7102691D0 BR2691/71A BR269171A BR7102691D0 BR 7102691 D0 BR7102691 D0 BR 7102691D0 BR 2691/71 A BR2691/71 A BR 2691/71A BR 269171 A BR269171 A BR 269171A BR 7102691 D0 BR7102691 D0 BR 7102691D0
Authority
BR
Brazil
Prior art keywords
continuous
current circuit
circuit equipment
rail lines
continuous current
Prior art date
Application number
BR2691/71A
Other languages
English (en)
Portuguese (pt)
Inventor
H Sibley
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 BR7102691D0 publication Critical patent/BR7102691D0/pt

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)
  • Train Traffic Observation, Control, And Security (AREA)
BR2691/71A 1970-05-04 1971-05-04 Aparelhamento de circuito continuo aperfeicoado de corrente alternada para linhas de trilho BR7102691D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3423670A 1970-05-04 1970-05-04

Publications (1)

Publication Number Publication Date
BR7102691D0 true BR7102691D0 (pt) 1973-04-10

Family

ID=21875135

Family Applications (1)

Application Number Title Priority Date Filing Date
BR2691/71A BR7102691D0 (pt) 1970-05-04 1971-05-04 Aparelhamento de circuito continuo aperfeicoado de corrente alternada para linhas de trilho

Country Status (7)

Country Link
US (1) US3670161A (fr)
BR (1) BR7102691D0 (fr)
CA (1) CA938369A (fr)
DE (1) DE2121972A1 (fr)
FR (1) FR2091200A5 (fr)
GB (1) GB1336670A (fr)
NL (1) NL7106099A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819933A (en) * 1972-12-08 1974-06-25 Westinghouse Air Brake Co Detector track circuit for railroad crossings
US4304377A (en) * 1977-06-08 1981-12-08 Compagnie De Signaux Et D'entreprises Electriques Electrical block separating joints for railway signaling systems
CS217737B1 (en) * 1980-04-04 1983-01-28 Oldrich Poupe Connection of the railway circuit with plural signalling sources

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193102A (en) * 1938-03-19 1940-03-12 Rca Corp Dictograph

Also Published As

Publication number Publication date
US3670161A (en) 1972-06-13
GB1336670A (en) 1973-11-07
NL7106099A (fr) 1971-11-08
FR2091200A5 (fr) 1972-01-14
DE2121972A1 (de) 1971-11-25
CA938369A (en) 1973-12-11

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