FR592018A - Système de signal lumineux - Google Patents

Système de signal lumineux

Info

Publication number
FR592018A
FR592018A FR592018DA FR592018A FR 592018 A FR592018 A FR 592018A FR 592018D A FR592018D A FR 592018DA FR 592018 A FR592018 A FR 592018A
Authority
FR
France
Prior art keywords
signal light
light system
signal
light
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
Joseph Predhumeau
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 FR592018A publication Critical patent/FR592018A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/008Traffic signalling mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR592018D 1925-01-19 1925-01-19 Système de signal lumineux Expired FR592018A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR592018T 1925-01-19

Publications (1)

Publication Number Publication Date
FR592018A true FR592018A (fr) 1925-07-22

Family

ID=8964508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR592018D Expired FR592018A (fr) 1925-01-19 1925-01-19 Système de signal lumineux

Country Status (1)

Country Link
FR (1) FR592018A (fr)

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