FR648377A - Application de produits luminescents - Google Patents

Application de produits luminescents

Info

Publication number
FR648377A
FR648377A FR648377DA FR648377A FR 648377 A FR648377 A FR 648377A FR 648377D A FR648377D A FR 648377DA FR 648377 A FR648377 A FR 648377A
Authority
FR
France
Prior art keywords
application
luminescent products
luminescent
products
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
Leon Gassier
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 FR648377A publication Critical patent/FR648377A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR648377D 1927-06-21 1927-06-21 Application de produits luminescents Expired FR648377A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR648377T 1927-06-21

Publications (1)

Publication Number Publication Date
FR648377A true FR648377A (fr) 1928-12-08

Family

ID=9002652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR648377D Expired FR648377A (fr) 1927-06-21 1927-06-21 Application de produits luminescents

Country Status (1)

Country Link
FR (1) FR648377A (fr)

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