FR801885A - Surfaces réfléchissantes convexes - Google Patents

Surfaces réfléchissantes convexes

Info

Publication number
FR801885A
FR801885A FR801885DA FR801885A FR 801885 A FR801885 A FR 801885A FR 801885D A FR801885D A FR 801885DA FR 801885 A FR801885 A FR 801885A
Authority
FR
France
Prior art keywords
reflective surfaces
convex reflective
convex
reflective
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
Choisy Lucien
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 FR801885A publication Critical patent/FR801885A/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
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR801885D 1936-02-14 1936-02-14 Surfaces réfléchissantes convexes Expired FR801885A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR801885T 1936-02-14

Publications (1)

Publication Number Publication Date
FR801885A true FR801885A (fr) 1936-08-20

Family

ID=9245530

Family Applications (1)

Application Number Title Priority Date Filing Date
FR801885D Expired FR801885A (fr) 1936-02-14 1936-02-14 Surfaces réfléchissantes convexes

Country Status (1)

Country Link
FR (1) FR801885A (fr)

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