GB1347451A - Track supervising arrangement - Google Patents

Track supervising arrangement

Info

Publication number
GB1347451A
GB1347451A GB22972A GB22972A GB1347451A GB 1347451 A GB1347451 A GB 1347451A GB 22972 A GB22972 A GB 22972A GB 22972 A GB22972 A GB 22972A GB 1347451 A GB1347451 A GB 1347451A
Authority
GB
United Kingdom
Prior art keywords
frequency
voltage
track
filter
section
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB22972A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1347451A publication Critical patent/GB1347451A/en
Expired legal-status Critical Current

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)
  • Electric Propulsion And Braking For Vehicles (AREA)
GB22972A 1971-01-05 1972-01-04 Track supervising arrangement Expired GB1347451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT3571A AT311413B (de) 1971-01-05 1971-01-05 Gleisüberwachungseinrichtung für Bahnanlagen

Publications (1)

Publication Number Publication Date
GB1347451A true GB1347451A (en) 1974-02-27

Family

ID=3479797

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22972A Expired GB1347451A (en) 1971-01-05 1972-01-04 Track supervising arrangement

Country Status (7)

Country Link
AT (1) AT311413B (enExample)
CH (1) CH535673A (enExample)
DE (1) DE2162989C2 (enExample)
ES (1) ES398634A1 (enExample)
FR (1) FR2121265A5 (enExample)
GB (1) GB1347451A (enExample)
NO (1) NO132825C (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445397C2 (de) * 1974-09-23 1982-09-23 Siemens AG, 1000 Berlin und 8000 München Gleisstromkreis, insbesondere für Gleichstrombahnen mit Chopper-gesteuerten Triebfahrzeugen
DE3115863C2 (de) * 1981-04-21 1983-01-05 Siemens AG, 1000 Berlin und 8000 München Gleisstromkreis für Eisenbahnsicherungsanlagen
DE3708788A1 (de) * 1987-03-18 1988-09-29 Standard Elektrik Lorenz Ag Frequenzmodulierter gleisstromkreis

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE728228C (de) * 1940-08-09 1942-11-23 Julius Pintsch Kom Ges Gleisfreimeldeeinrichtung, insbesondere fuer wechselstrombetriebene Bahnen
DE875956C (de) * 1941-11-08 1953-05-07 Siemens Ag Gleisstromkreis fuer den selbsttaetigen Strecken- und Bahnhofsblock
DE942693C (de) * 1950-02-26 1956-05-03 Lorenz C Ag Schaltungsanordnung zur Auswertung einer Wechselspannung nach Groesse, Frequenz und Phase gegenueber einer Vergleichsspannung, insbesondere einer Gleisspannung zur Gleisfreimeldung in Eisenbahnsicherungsanlagen
DE1060899B (de) * 1954-11-12 1959-07-09 Werk Signal Sicherungstech Veb Schaltungsanordnung fuer Eisenbahnsicherungsanlagen
BE712165A (fr) * 1968-03-14 1968-09-16 Acec Circuit de voie a joints isoles, de grande longueur.

Also Published As

Publication number Publication date
NO132825C (enExample) 1976-01-14
AT311413B (de) 1973-11-12
DE2162989A1 (de) 1972-07-20
FR2121265A5 (enExample) 1972-08-18
NO132825B (enExample) 1975-10-06
ES398634A1 (es) 1974-08-16
CH535673A (de) 1973-04-15
DE2162989C2 (de) 1984-05-30

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee