FR777907A - Nouveau dispositif auto-réflecteur de lumière - Google Patents

Nouveau dispositif auto-réflecteur de lumière

Info

Publication number
FR777907A
FR777907A FR777907DA FR777907A FR 777907 A FR777907 A FR 777907A FR 777907D A FR777907D A FR 777907DA FR 777907 A FR777907 A FR 777907A
Authority
FR
France
Prior art keywords
light device
reflective light
new self
self
new
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-Emmanuel Faure
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 FR777907A publication Critical patent/FR777907A/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
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR777907D 1933-11-18 1933-11-18 Nouveau dispositif auto-réflecteur de lumière Expired FR777907A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR777907T 1933-11-18

Publications (1)

Publication Number Publication Date
FR777907A true FR777907A (fr) 1935-03-05

Family

ID=9201863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR777907D Expired FR777907A (fr) 1933-11-18 1933-11-18 Nouveau dispositif auto-réflecteur de lumière

Country Status (1)

Country Link
FR (1) FR777907A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444356A (en) * 1943-05-12 1948-06-29 Richard W Luce Retrodirective light-reflecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444356A (en) * 1943-05-12 1948-06-29 Richard W Luce Retrodirective light-reflecting device

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