Patent ID: 7488941

Claim:
A motion-activated decorative lighting fixture, comprising: a motion detector housing disposed to form an integral part of the lighting fixture, said housing including a vertically extending exterior wall around said housing, and said wall having an array of elongate vertically extending slots therethrough horizontally spaced apart from one another and extending along at least a portion of said wall; one or more PIR sensors disposed within said housing; a segmented Fresnel lens array disposed within said housing to direct infra-red energy from a monitored field of view to said one or more sensors, said lens array including a plurality of columns of lenslets, at least a portion of said columns comprising at least two lenslets disposed one above the other, and each column of said plurality being aligned with a corresponding slot from said array of slots so as to direct infra-red energy from a monitored zone passing through said corresponding slot to said one or more sensors.