FR590545A - Procédé et dispositif permettant d'éviter, ou tout au moins de réduire l'éblouissement provoqué par les phares d'automobiles ou autres
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Procédé et dispositif permettant d'éviter, ou tout au moins de réduire l'éblouissement provoqué par les phares d'automobiles ou autres
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F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
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
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Engineering & Computer Science
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Physics & Mathematics
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Spectroscopy & Molecular Physics
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FR590545D1924-12-171924-12-17Procédé et dispositif permettant d'éviter, ou tout au moins de réduire l'éblouissement provoqué par les phares d'automobiles ou autres
ExpiredFR590545A
(fr)
Procédé et dispositif permettant d'obtenir d'un même phare soit un éclairage blanc intensif, soit un éclairage teinté évitant l'éblouissement provoqué par les phares d'automobiles ou autres