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MACHAL PROJECTEURS
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MACHAL PROJECTEURS
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Application filed by MACHAL PROJECTEURSfiledCriticalMACHAL PROJECTEURS
Application grantedgrantedCritical
Publication of FR712355ApublicationCriticalpatent/FR712355A/fr
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
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
F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters