FR976449A - éclairage de sécurité - Google Patents

éclairage de sécurité

Info

Publication number
FR976449A
FR976449A FR976449DA FR976449A FR 976449 A FR976449 A FR 976449A FR 976449D A FR976449D A FR 976449DA FR 976449 A FR976449 A FR 976449A
Authority
FR
France
Prior art keywords
security lighting
lighting
security
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
Robert Chanard
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 FR976449A publication Critical patent/FR976449A/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
    • G08B5/38—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 using flashing light

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR976449D 1948-12-13 1948-12-13 éclairage de sécurité Expired FR976449A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976449T 1948-12-13

Publications (1)

Publication Number Publication Date
FR976449A true FR976449A (fr) 1951-03-19

Family

ID=9518819

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976449D Expired FR976449A (fr) 1948-12-13 1948-12-13 éclairage de sécurité

Country Status (1)

Country Link
FR (1) FR976449A (fr)

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