Patent ID: 6943687

Claim:
A decorative lighting fixture activated by an infra-red motion detector for monitoring motion in a monitored region, wherein the motion detector includes a motion detector housing having a decorative external appearance and disposed to form an integral part of the lighting fixture, an infra-red sensor disposed within the housing, and a segmented Fresnel lens member for directing infra-red radiation from the monitored region to the infra-red sensor, wherein the lighting fixture is characterized in that: said motion detector housing and said segmented Fresnel lens member define a compact interior region having a characteristic transverse dimension of at most 28 mm; said infra-red sensor is mounted in said compact interior region; and said lens member is structured and disposed in said motion detector housing to direct infra-red radiation to said sensor from a plurality of zones in said monitored region, said plurality of zones having a horizontal angular field of view of at least 150 degrees.