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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
F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity
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FR771544D1933-07-081933-07-08Système de phare non éblouissant pour automobiles et autres applications
ExpiredFR771544A
(fr)