FR541816A - Automotive headlights improvements - Google Patents

Automotive headlights improvements

Info

Publication number
FR541816A
FR541816A FR541816DA FR541816A FR 541816 A FR541816 A FR 541816A FR 541816D A FR541816D A FR 541816DA FR 541816 A FR541816 A FR 541816A
Authority
FR
France
Prior art keywords
automotive headlights
headlights
automotive
headlights improvements
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
French (fr)
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.)
BESNARD ETS
Original Assignee
BESNARD ETS
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 BESNARD ETS filed Critical BESNARD ETS
Application granted granted Critical
Publication of FR541816A publication Critical patent/FR541816A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR541816D 1921-09-30 1921-09-30 Automotive headlights improvements Expired FR541816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR541816T 1921-09-30

Publications (1)

Publication Number Publication Date
FR541816A true FR541816A (en) 1922-08-02

Family

ID=8930426

Family Applications (1)

Application Number Title Priority Date Filing Date
FR541816D Expired FR541816A (en) 1921-09-30 1921-09-30 Automotive headlights improvements

Country Status (1)

Country Link
FR (1) FR541816A (en)

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