FR2091200A5 - - Google Patents

Info

Publication number
FR2091200A5
FR2091200A5 FR7116087A FR7116087A FR2091200A5 FR 2091200 A5 FR2091200 A5 FR 2091200A5 FR 7116087 A FR7116087 A FR 7116087A FR 7116087 A FR7116087 A FR 7116087A FR 2091200 A5 FR2091200 A5 FR 2091200A5
Authority
FR
France
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
FR7116087A
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.)
SPX Corp
Original Assignee
General 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 General Signal Corp filed Critical General Signal Corp
Application granted granted Critical
Publication of FR2091200A5 publication Critical patent/FR2091200A5/fr
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)
FR7116087A 1970-05-04 1971-05-04 Expired FR2091200A5 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2091200A5 true FR2091200A5 (fr) 1972-01-14

Family

ID=21875135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7116087A Expired FR2091200A5 (fr) 1970-05-04 1971-05-04

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479763A1 (fr) * 1980-04-04 1981-10-09 Vysoka Skola Dopravy Spojov Circuit de voie comportant plusieurs sources de signal

Families Citing this family (2)

* 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479763A1 (fr) * 1980-04-04 1981-10-09 Vysoka Skola Dopravy Spojov Circuit de voie comportant plusieurs sources de signal

Also Published As

Publication number Publication date
GB1336670A (en) 1973-11-07
DE2121972A1 (de) 1971-11-25
NL7106099A (fr) 1971-11-08
BR7102691D0 (pt) 1973-04-10
CA938369A (en) 1973-12-11
US3670161A (en) 1972-06-13

Similar Documents

Publication Publication Date Title
AR204384A1 (fr)
FR2091200A5 (fr)
ATA96471A (fr)
AU1146470A (fr)
AU1473870A (fr)
AU1833270A (fr)
AU1716970A (fr)
AU1517670A (fr)
AU1336970A (fr)
AU1326870A (fr)
AR195465A1 (fr)
AU1789870A (fr)
AU1603270A (fr)
AU1872870A (fr)
AU1086670A (fr)
AU1189670A (fr)
AU1235770A (fr)
AU1247570A (fr)
AU1277070A (fr)
AU1841070A (fr)
AU2131570A (fr)
AU1328670A (fr)
AU1064870A (fr)
AU1343870A (fr)
AU1004470A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse