FR531766A - Electromagnetically controlled signal light - Google Patents

Electromagnetically controlled signal light

Info

Publication number
FR531766A
FR531766A FR531766DA FR531766A FR 531766 A FR531766 A FR 531766A FR 531766D A FR531766D A FR 531766DA FR 531766 A FR531766 A FR 531766A
Authority
FR
France
Prior art keywords
signal light
controlled signal
electromagnetically controlled
electromagnetically
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
French (fr)
Inventor
Raymond Bequet
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 FR531766A publication Critical patent/FR531766A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/24—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane
    • G08B5/28—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane with hinged flap or arm

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR531766D 1921-03-08 1921-03-08 Electromagnetically controlled signal light Expired FR531766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR531766T 1921-03-08

Publications (1)

Publication Number Publication Date
FR531766A true FR531766A (en) 1922-01-20

Family

ID=8924129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR531766D Expired FR531766A (en) 1921-03-08 1921-03-08 Electromagnetically controlled signal light

Country Status (1)

Country Link
FR (1) FR531766A (en)

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