PIR motion detector for a decorative lantern
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United States of America Patent
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Sep 13, 2005
Grant Date -
Sep 25, 2003
app pub date -
Mar 7, 2003
filing date -
Mar 7, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A small-sized hidden motion detector that can be incorporated in a decorative manner into a decorative lantern. The motion detector can be incorporated into lighting fixture designs not previously amenable to a hidden motion detector in the body of the lighting fixture. A small decorative motion detector housing is provided defining a compact interior region with a PIR sensor mounted inside and providing a sufficient optical pathway for a practical motion detector of wide angular field of view that can nevertheless fit inside commonly found small-sized decorative lantern elements. In one embodiment the motion detector is hidden in a small generally cylindrical decorative element of the sort that is found in a number of traditional decorative lantern designs and that has not previously been amenable to a hidden motion detector. Another embodiment includes a mechanism for mechanically adjusting the range and responsiveness of the motion detector notwithstanding the small size of the space available for housing the detector.
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Cited Art Landscape
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