FR944852A - Indicateur lumineux décelant dans l'obscurité l'emplacement des commutateurs d'allumage, boutons de porte, entrées de serrure, etc. - Google Patents

Indicateur lumineux décelant dans l'obscurité l'emplacement des commutateurs d'allumage, boutons de porte, entrées de serrure, etc.

Info

Publication number
FR944852A
FR944852A FR944852DA FR944852A FR 944852 A FR944852 A FR 944852A FR 944852D A FR944852D A FR 944852DA FR 944852 A FR944852 A FR 944852A
Authority
FR
France
Prior art keywords
keyholes
dark
location
illuminated indicator
ignition switches
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
Albert Petiot
Girair Gazarossian
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 FR944852A publication Critical patent/FR944852A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/553—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR944852D 1947-03-27 1947-03-27 Indicateur lumineux décelant dans l'obscurité l'emplacement des commutateurs d'allumage, boutons de porte, entrées de serrure, etc. Expired FR944852A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR944852T 1947-03-27

Publications (1)

Publication Number Publication Date
FR944852A true FR944852A (fr) 1949-04-19

Family

ID=9471979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944852D Expired FR944852A (fr) 1947-03-27 1947-03-27 Indicateur lumineux décelant dans l'obscurité l'emplacement des commutateurs d'allumage, boutons de porte, entrées de serrure, etc.

Country Status (1)

Country Link
FR (1) FR944852A (fr)

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