FR859393A - Glare-free projector or headlight, especially for vehicles - Google Patents

Glare-free projector or headlight, especially for vehicles

Info

Publication number
FR859393A
FR859393A FR859393DA FR859393A FR 859393 A FR859393 A FR 859393A FR 859393D A FR859393D A FR 859393DA FR 859393 A FR859393 A FR 859393A
Authority
FR
France
Prior art keywords
headlight
glare
vehicles
free projector
projector
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)
Inventor
Friedrich Richard Dietrich
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 FR859393A publication Critical patent/FR859393A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
    • F21S41/333—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with discontinuity at the junction between adjacent areas
FR859393D 1938-09-02 1939-08-23 Glare-free projector or headlight, especially for vehicles Expired FR859393A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE859393X 1938-09-02

Publications (1)

Publication Number Publication Date
FR859393A true FR859393A (en) 1940-12-17

Family

ID=6790097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859393D Expired FR859393A (en) 1938-09-02 1939-08-23 Glare-free projector or headlight, especially for vehicles

Country Status (1)

Country Link
FR (1) FR859393A (en)

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