Illumination – Light source and modifier – Condition responsive
Patent
1994-12-28
1995-07-18
Dority, Carroll
Illumination
Light source and modifier
Condition responsive
362802, 250239, F21V 2300
Patent
active
054347645
ABSTRACT:
A lighting fixture with infra-red responsive motion detector unit incorporated into the fixture design. The lighting fixture includes a motion detector housing forming an integral part of the lighting fixture body and having a generally convexo-convex shape fitting in with the decorative styling of the fixture body. The bottom portion of the housing has a bottom wall containing an azimuthally extending lens aperture. A plastic lens member is positioned in the lens aperture and is formed to conform to the convex bottom wall so that the lens member appears to form a continuous portion of the wall. The lens member defines a plurality of Fresnel lenses which are disposed to direct infra-red radiation from an object in their aggregate field of view to an infra-red sensor mounted within the housing. The housing is incorporated into the body of the lighting fixture itself, instead of being mounted on a separate mounting base, and is disposed on the lighting fixture such that no other portion of the lighting fixture obstructs the aggregate field of view of the plurality of Fresnel lenses.
REFERENCES:
patent: 5217296 (1993-06-01), Tanner et al.
patent: 5243508 (1993-09-01), Ewing et al.
patent: 5282118 (1994-01-01), Lee
"Reflex Motion Sensing Coach Light," SL-4120 Series, Heath Zenith promotional literature, prior to Dec. 21, 1992.
"Reflex Motion Sensing Solid Brass Lantern," SL-4130 Series, Heath Zenith promotional literature, prior to Dec. 21, 1992.
"Reflex Decorative Globe Outdoor Motion Sensor Light," SL-4140 Series, Heath Zenith promotional literature, prior to Dec. 21, 1992.
Lee Wade P.
Sandell Donald R.
Aronson Elliot B.
Dority Carroll
Intelectron Products Company
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