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1. (WO1989003778) A HEADLAMP FOR AUTOMOTIVE VEHICLES
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1989/003778 International Application No.: PCT/SE1988/000534
Publication Date: 05.05.1989 International Filing Date: 13.10.1988
IPC:
F21S 8/10 (2006.01) ,F21V 9/06 (2006.01) ,F21V 5/00 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21
LIGHTING
S
NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF
8
Lighting devices intended for fixed installation
10
specially adapted for vehicles
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21
LIGHTING
V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
9
Light filters; Selection of luminescent materials for light screens
06
for filtering out ultra-violet radiation
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21
LIGHTING
V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
5
Refractors for light sources
Applicants: BERGKVIST, Lars, A.[SE/SE]; SE (UsOnly)
LABINO PATENT AB[SE/SE]; Box 16 S-890 23 Själevad, SE (AllExceptUS)
Inventors: BERGKVIST, Lars, A.; SE
Agent: ÖRTENBLAD, Bertil; Noréns Patentbyrå AB Box 27034 S-102 51 Stockholm, SE
Priority Data:
8704118-222.10.1987SE
Title (EN) A HEADLAMP FOR AUTOMOTIVE VEHICLES
(FR) PROJECTEUR POUR VEHICULES AUTOMOBILES
Abstract:
(EN) A vehicle headlamp comprises a reflector and a headlamp glass constructed to produce a so-called full beam lobe when a light source is located in a predetermined position in relation to the reflector. The invention is characterized in that the light source (11) is constructed to transmit both a large proportion of visible light and a large proportion of ultraviolet light, and in that a filter (19; 22; 23) is located in the beam path of the headlamp and is effective in filtering that part of the light emitted by the light source (11) which gives rise to a light lobe corresponding to the difference between a so-called full beam lobe and a so-called dipped beam lobe. The headlamp is further characterized in that the filter (19; 22; 23) is constructed firstly to filter light so that substantially no light within the visible light spectrum will be transmitted through the filter, and secondly to transmit ultraviolet light.
(FR) Un projecteur de véhicule comporte un réflecteur et un verre de projecteur conçus pour produire un lobe de faisceau dit de plein phare lorsqu'une source de lumière est située dans un position prédéterminée par rapport au réflecteur. L'invention est caractérisée en ce que la source de lumière (11) est conçue pour émettre à la fois une proportion importante de lumière visible et une proportion importante de lumière ultraviolette, et en ce qu'un filtre (19; 22; 23) est situé dans la trajectoire du faisceau du projecteur et sert à filtrer la partie de la lumière émise par la source de lumière (11) qui donne naissance à un lobe lumineux correspondant à la différence entre un lobe de faisceau dit de plein phare et un lobe de faisceau dit en code. Ce projecteur est également caractérisé en ce que le filtre (19; 22; 23) est conçu tout d'abord pour filtrer de la lumière afin que pratiquement aucune lumière se situant à l'intérieur du spectre de lumière visible ne soit transmise à travers le filtre, et ensuite pour transmettre de la lumière ultraviolette.
Designated States: BR, JP, US
European Patent Office (EPO) (AT, BE, CH, DE, FR, GB, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)