Multi-bulb light source

Details Multi-bulb light source Multi-bulb light source

F - Mech Eng,Light,Heat,Weapons

21

V

88/122, 340/42,

F21V 19/04 (2006.01) F21S 8/00 (2006.01)

Patent

CA 1272052

ABSTRACT OF THE DISCLOSURE A light source for use in traffic signals has a plurality of light bulbs, in which each bulb is used in turn until it burns out, at which time power is switched to an operable bulb. By means of lenses and mirrors in the light source, a substantially identical pattern of light rays is produced regardless of which bulb is lit.

543929

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