FR1071818A - Dispositifs perfectionnés d'éclairage sélectif - Google Patents

Dispositifs perfectionnés d'éclairage sélectif

Info

Publication number
FR1071818A
FR1071818A FR1071818DA FR1071818A FR 1071818 A FR1071818 A FR 1071818A FR 1071818D A FR1071818D A FR 1071818DA FR 1071818 A FR1071818 A FR 1071818A
Authority
FR
France
Prior art keywords
lighting devices
selective lighting
advanced selective
advanced
devices
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leon Hatot SA France
Original Assignee
Leon Hatot SA France
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 by Leon Hatot SA France filed Critical Leon Hatot SA France
Application granted granted Critical
Publication of FR1071818A publication Critical patent/FR1071818A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands
    • 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
    • G09F13/06—Signs, boards or panels, illuminated from behind the insignia using individual cut-out symbols or cut-out silhouettes, e.g. perforated signs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR1071818D 1952-10-23 1952-10-23 Dispositifs perfectionnés d'éclairage sélectif Expired FR1071818A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1071818T 1952-10-23

Publications (1)

Publication Number Publication Date
FR1071818A true FR1071818A (fr) 1954-09-06

Family

ID=9605316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1071818D Expired FR1071818A (fr) 1952-10-23 1952-10-23 Dispositifs perfectionnés d'éclairage sélectif

Country Status (1)

Country Link
FR (1) FR1071818A (fr)

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