FR31025E - Perfectionnements apportés aux signaux lumineux visibles de jour - Google Patents

Perfectionnements apportés aux signaux lumineux visibles de jour

Info

Publication number
FR31025E
FR31025E FR31025DA FR31025E FR 31025 E FR31025 E FR 31025E FR 31025D A FR31025D A FR 31025DA FR 31025 E FR31025 E FR 31025E
Authority
FR
France
Prior art keywords
day
visible light
light signals
improvements made
signals during
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
English (en)
Inventor
Achille-Ernest Gaba
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 FR31025E publication Critical patent/FR31025E/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12Visible signals
    • B61L5/18Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809Daylight signals
    • B61L5/1836Daylight signals using light sources of different colours and separate optical systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR31025D 1925-05-26 1925-05-26 Perfectionnements apportés aux signaux lumineux visibles de jour Expired FR31025E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR31025T 1925-05-26

Publications (1)

Publication Number Publication Date
FR31025E true FR31025E (fr) 1926-11-20

Family

ID=8668878

Family Applications (1)

Application Number Title Priority Date Filing Date
FR31025D Expired FR31025E (fr) 1925-05-26 1925-05-26 Perfectionnements apportés aux signaux lumineux visibles de jour

Country Status (1)

Country Link
FR (1) FR31025E (fr)

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