Illumination – Sound equipment illuminator
Patent
1987-12-31
1989-02-07
Ostrager, Allen M.
Illumination
Sound equipment illuminator
362346, F21V 700
Patent
active
048036013
ABSTRACT:
A motor vehicle headlight of the type suitable for emitting at least one beam that is delimited by a top cut-off and that includes an approximately central concentration spot, the headlight comprising: a filament lamp (100); a reflector (200); and a closure glass (300); the headlight including the improvements whereby said reflector comprises: at least two lateral zones (202, 202') that form small images of the filament defining said concentration spot and forming said cut-off; and a central zone (201, 201, 203, 203') which reflects the light rays emitted by the filament to cause them to converge in a region at a substantial distance from the closure glass while simultaneously forming large filament images which are spread out below said cut-off; with said lateral zones and said central zone joining one another with second order continuity in two essentially vertical planes that are parallel to a central optical axis of the headlight and are disposed on either side thereof.
REFERENCES:
patent: 4420801 (1983-12-01), Reiling et al.
patent: 4447865 (1984-05-01), Van Horn et al.
patent: 4506315 (1985-03-01), Maekawa et al.
Collot Patrice
Luciani Bernard
Cibie Projecteurs
Ostrager Allen M.
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