FR1055143A - Dispositif de repérage - Google Patents

Dispositif de repérage

Info

Publication number
FR1055143A
FR1055143A FR1055143DA FR1055143A FR 1055143 A FR1055143 A FR 1055143A FR 1055143D A FR1055143D A FR 1055143DA FR 1055143 A FR1055143 A FR 1055143A
Authority
FR
France
Prior art keywords
tracking device
tracking
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
Alberto Perez
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 FR1055143A publication Critical patent/FR1055143A/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
    • 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
    • F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR1055143D 1952-04-24 1952-04-24 Dispositif de repérage Expired FR1055143A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1055143T 1952-04-24

Publications (1)

Publication Number Publication Date
FR1055143A true FR1055143A (fr) 1954-02-16

Family

ID=9596767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1055143D Expired FR1055143A (fr) 1952-04-24 1952-04-24 Dispositif de repérage

Country Status (1)

Country Link
FR (1) FR1055143A (fr)

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