Illumination – Supported by vehicle structure – Condition responsive
Patent
1989-08-21
1991-02-19
Arnold, Bruce Y.
Illumination
Supported by vehicle structure
Condition responsive
362326, 362339, G02B 2700, F21V 502
Patent
active
049938070
ABSTRACT:
A lens for a vehicle lamp having a central bright portion and a surrounding portion of lesser brightness and which can be manufactured as a single unit. The lens surface is formed with arcuate step-like blocks circumferentially separated from one another and divided from one another by a plurality of concentric lines and radial lines. The blocks in a central portion of the lens have a refractive configuration, while the blocks disposed outside of the central portion have a linearly transmitting configuration. The two types of blocks are arranged continuously and unitarily in a concentric manner in a radial direction of the central portion.
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Arnold Bruce Y.
Koito Manufacturing Co. Ltd.
Shafer R. D.
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