F - Mech Eng,Light,Heat,Weapons – 21 – S
Patent
F - Mech Eng,Light,Heat,Weapons
21
S
240/11, 313/85
F21S 8/12 (2006.01)
Patent
CA 1132955
21 48,098 ABSTRACT OF THE DISCLOSURE A single pair of headlamps that each contain a single on-focus light source and produce different but com- plementary beam patterns are mounted on a motor vehicle to provide a composite beam of intense non-glare light that is used for city, rural and turnpike driving and thus remains "fixed" and constant for all driving conditions. The use of a single light source in each headlamp improves the optical efficiency of the lighting system and provides both long range and short range illumination of the roadway with a minimum amount of energy and drain on the electrical system of the vehicle. The headlamps are not interchange- able and must be mounted in proper relationship on the vehicle. However, they can be of circular or rectangular shape and have reflector and lens components that are preferably hermetically sealed to one another to provide sealed-beam type lamps, or which can be separated and thus form housings that can be opened to permit the light sources to be removed and replaced. When the headlamps are of sealed-beam construction, a coiled wire filament or a compact halogen-cycle type incandescent lamp can be used as the light source. Standard compact incandescent lamps or 22 48,098 halogen-cycle incandescent lamps are employed in headlamps that are not hermetically sealed.
337262
Pitkjaan Elam
Vile Robert L.
Mcconnell And Fox
Westinghouse Electric Corporation
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