Motion detector
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United States of America Patent
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Issued Date -
Apr 23, 2009
app pub date -
Oct 19, 2007
filing date -
Oct 19, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention discloses a motion detector that includes a casing, a sensor and a signal deflector. The casing has a lens array around an external periphery of the casing and an installation space inside the casing for installing the sensor and the signal deflector. The sensor includes a sensing unit and a signal processing unit electrically connected with each other. The signal deflector is installed between the sensor and the lens array, and the signal deflector includes a plurality of elliptic concave lenses for reflecting lights incident from different directions to the sensing unit by the focusing characteristics of the elliptic concave lenses, so as to broaden the scope of applications.
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