FR684367A - Automatic locking system - Google Patents

Automatic locking system

Info

Publication number
FR684367A
FR684367A FR684367DA FR684367A FR 684367 A FR684367 A FR 684367A FR 684367D A FR684367D A FR 684367DA FR 684367 A FR684367 A FR 684367A
Authority
FR
France
Prior art keywords
locking system
automatic locking
automatic
locking
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
Antonio Ferrer-Dalmau
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 FR684367A publication Critical patent/FR684367A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
    • B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR684367D 1928-11-20 1929-11-05 Automatic locking system Expired FR684367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES684367X 1928-11-20

Publications (1)

Publication Number Publication Date
FR684367A true FR684367A (en) 1930-06-25

Family

ID=8246090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR684367D Expired FR684367A (en) 1928-11-20 1929-11-05 Automatic locking system

Country Status (1)

Country Link
FR (1) FR684367A (en)

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