FR1104887A - écran anti-brouillard - Google Patents

écran anti-brouillard

Info

Publication number
FR1104887A
FR1104887A FR1104887DA FR1104887A FR 1104887 A FR1104887 A FR 1104887A FR 1104887D A FR1104887D A FR 1104887DA FR 1104887 A FR1104887 A FR 1104887A
Authority
FR
France
Prior art keywords
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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-Pierre Dogny
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 FR1104887A publication Critical patent/FR1104887A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/125—Coloured light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/006—Filter holders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1104887D 1954-05-17 1954-05-17 écran anti-brouillard Expired FR1104887A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1104887T 1954-05-17

Publications (1)

Publication Number Publication Date
FR1104887A true FR1104887A (fr) 1955-11-24

Family

ID=9623060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1104887D Expired FR1104887A (fr) 1954-05-17 1954-05-17 écran anti-brouillard

Country Status (1)

Country Link
FR (1) FR1104887A (fr)

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