Illumination – Light source and modifier – Fluorescent type
Patent
1987-11-20
1988-10-18
Husar, Stephen F.
Illumination
Light source and modifier
Fluorescent type
362220, 362269, 362346, F21K 700
Patent
active
047791780
ABSTRACT:
Fluorescent lighting apparatus utilizing a single elongated tubular light source replaces the multiple fluorescent tubular light sources of heretofore conventional or prior art fluorescent lighting apparatus. A very substantial part of the light output of the fluorescent tubular light source is reflected by improved silver reflectors having multiple elongated strip-like mirror surfaces. A compact, lightweight, simplified, less expensive and more efficient apparatus is disclosed wherein the improved reflector forms the principal part of the apparatus and is provided with a compact raceway longitudinally thereof functioning as a structural element and as a raceway for current carrying conductors in the apparatus. The ballast is relocated in the apparatus to contribute to the compact, economical, lightweight structure which is easily and efficiently positioned in suspended spaced relation to a ceiling for selective improved illumination of a desired area.
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