Illumination – Supported by vehicle structure – Light modifier
Patent
1996-11-07
1999-09-14
O'Shea, Sandra
Illumination
Supported by vehicle structure
Light modifier
362346, 362307, 362297, B60Q 104
Patent
active
059511567
ABSTRACT:
A motor vehicle headlamp has a light source, such as the filament of an incandescent lamp, of a kind which emits light freely around it, together with a reflector and a cover lens. The reflector is adapted so that, by reflection from the light source, it can produce, by itself, a light beam which is delimited by a cut-off defined by a horizontal half cut-off line and a raised cut-off line which is raised by a predetermined angle of cut-off elevation with respect to the horizontal.
The reflector consists of two zones, which are separated by two transition half planes that pass close to the source, namely a first zone consisting of a surface for producing images of the light source offset on the side towards the horizontal half cut-off line and extending below, and close to, the latter, and a second zone consisting of a surface which produces images of the light source offset on the side towards the raised half cut-off line and extending below and close to the latter.
REFERENCES:
patent: 4772988 (1988-09-01), Brun
patent: 4945454 (1990-07-01), Bunse et al.
patent: 5461549 (1995-10-01), Lietar
patent: 5651610 (1997-07-01), Fadel
French Search Report dated Jul. 19, 1996.
Evrard Laurent
Saladin Denis
Honeyman Marshall
O'shea Sandra
Valeo Vision
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