Projector type lamp

Illumination – Supported by vehicle structure – Light modifier

Patent

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Details

362539, 362520, 362538, 362518, B60Q 102

Patent

active

060072237

ABSTRACT:
A projector type lamp of the present invention has a projection lens and a reflector, wherein the projection lens comprises a cylindrical lens portion which forms a center portion of the projection lens and whose vertical cross section has a curve when the projector type lamp is installed and aspherical lens portions which are halves of an aspherical lens and formed continuous to the respective right and left end portions of the cylindrical lens portion. The reflector is divided into four parts located in upper and lower sides and right and left sides thereof; an upper reflection surface, a lower reflection surface, a right reflection surface, and a left reflection surface, the four reflection surfaces being formed as curved surfaces on the basis of oval surfaces and combined together. Therefore, the shape and area of the projection lens can be changed without losing the characteristics of the projector type lamp, while there are problems for the prior projector type lamp of lacking visibility of the projector type lamp from a vehicle running in an opposite direction and a passenger and design freedom, the front shape of the projection lens to be selected being only relatively small circles.

REFERENCES:
patent: 4456948 (1984-06-01), Brun
patent: 4914747 (1990-04-01), Nino
patent: 4953063 (1990-08-01), Nino
patent: 5285358 (1994-02-01), Watanabe et al.
patent: 5303126 (1994-04-01), Taniuchi

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