Bulb for vehicular lighting equipment

Details Bulb for vehicular lighting equipment Bulb for vehicular lighting equipment

1995-09-07

1996-11-26

Oberley, Alvin E.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

313115, 362 61, H01J 516

Patent

active

055788939

ABSTRACT:
The invention disclosed relates a bulb for use with vehicular lighting equipment and adapted for use therein. It comprises a glass bulb member having a multi-layered color layer, a non-color portion and light shield layer located thereon, a stem, a plurality of inner leads, a pair of filaments, a metallic shield member, a plug, etc. As combined with a reflector in vehicular lighting equipment, the bulb enables change of its beam in orientation and in color by selective operation of the filaments.

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