Incandescent lamp and illumination system with optimized...

Details Incandescent lamp and illumination system with optimized... Incandescent lamp and illumination system with optimized...

2011-07-12

2011-07-12

Guharay, Karabi (Department: 2889)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Reflector

C313S270000, C313S578000, C313S271000, C313S273000

Reexamination Certificate

active

07977855

ABSTRACT:
An incandescent lamp that is specially adapted for use in combination with a concave reflector in providing a high-intensity beam of light. The lamp includes an optimized filament shape that consist of a filament arranged in coiled coils having a longitudinal axis perpendicular to the reflector longitudinal axis and the larger coils of the coiled coil filament spaced from each other by a distance substantially the same as the filament coil diameter. The filament length, width, and height can be limited to substantially twelve millimeters to optimize the lamp for use with concave reflectors having a focal length of substantially twenty five millimeters, any type curvature, and any size diameter.

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