FR543086A - Relais à signal lumineux - Google Patents

Relais à signal lumineux

Info

Publication number
FR543086A
FR543086A FR543086DA FR543086A FR 543086 A FR543086 A FR 543086A FR 543086D A FR543086D A FR 543086DA FR 543086 A FR543086 A FR 543086A
Authority
FR
France
Prior art keywords
light signal
signal relay
relay
light
signal
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
Henri Lorry
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 FR543086A publication Critical patent/FR543086A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR543086D 1921-11-05 1921-11-05 Relais à signal lumineux Expired FR543086A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR543086T 1921-11-05

Publications (1)

Publication Number Publication Date
FR543086A true FR543086A (fr) 1922-08-26

Family

ID=8931327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR543086D Expired FR543086A (fr) 1921-11-05 1921-11-05 Relais à signal lumineux

Country Status (1)

Country Link
FR (1) FR543086A (fr)

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