FR947208A - Enseignes phosphorescentes - Google Patents

Enseignes phosphorescentes

Info

Publication number
FR947208A
FR947208A FR947208DA FR947208A FR 947208 A FR947208 A FR 947208A FR 947208D A FR947208D A FR 947208DA FR 947208 A FR947208 A FR 947208A
Authority
FR
France
Prior art keywords
phosphorescent signs
phosphorescent
signs
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
Jean-Louis Saulnier
Julien Bonnaud
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 FR947208A publication Critical patent/FR947208A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR947208D 1947-05-24 1947-05-24 Enseignes phosphorescentes Expired FR947208A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR947208T 1947-05-24

Publications (1)

Publication Number Publication Date
FR947208A true FR947208A (fr) 1949-06-27

Family

ID=9473354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947208D Expired FR947208A (fr) 1947-05-24 1947-05-24 Enseignes phosphorescentes

Country Status (1)

Country Link
FR (1) FR947208A (fr)

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