FR983057A - Improvements to electrical systems - Google Patents

Improvements to electrical systems

Info

Publication number
FR983057A
FR983057A FR983057DA FR983057A FR 983057 A FR983057 A FR 983057A FR 983057D A FR983057D A FR 983057DA FR 983057 A FR983057 A FR 983057A
Authority
FR
France
Prior art keywords
electrical systems
systems
electrical
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
Other languages
French (fr)
Inventor
Pierre Garcin
Andre Lefebvre
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 filed Critical
Application granted granted Critical
Publication of FR983057A publication Critical patent/FR983057A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
FR983057D 1949-01-24 1949-01-24 Improvements to electrical systems Expired FR983057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR983057T 1949-01-24

Publications (1)

Publication Number Publication Date
FR983057A true FR983057A (en) 1951-06-19

Family

ID=9535798

Family Applications (1)

Application Number Title Priority Date Filing Date
FR983057D Expired FR983057A (en) 1949-01-24 1949-01-24 Improvements to electrical systems

Country Status (1)

Country Link
FR (1) FR983057A (en)

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