FR574471A - écran lumineux - Google Patents

écran lumineux

Info

Publication number
FR574471A
FR574471A FR574471DA FR574471A FR 574471 A FR574471 A FR 574471A FR 574471D A FR574471D A FR 574471DA FR 574471 A FR574471 A FR 574471A
Authority
FR
France
Prior art keywords
bright screen
bright
screen
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
Frederic Cohendy
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 FR574471A publication Critical patent/FR574471A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR574471D 1923-12-14 1923-12-14 écran lumineux Expired FR574471A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR574471T 1923-12-14

Publications (1)

Publication Number Publication Date
FR574471A true FR574471A (fr) 1924-07-11

Family

ID=8952701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR574471D Expired FR574471A (fr) 1923-12-14 1923-12-14 écran lumineux

Country Status (1)

Country Link
FR (1) FR574471A (fr)

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