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2014
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Invention
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Dual differential doppler motion detection.
A motion detector has an RF transceiver configured t... |
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Invention
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Dual differential doppler motion detection. A motion detector has an RF transceiver configured to... |
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2013
|
Invention
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Tamper detection with an infra-red motion sensor. An infra-red motion detector for monitoring mot... |
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2012
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Invention
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Resilient antenna disturbance detector. A resilient antenna disturbance detector is provided. A s... |
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|
Invention
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Apparatus and method for detecting tampering with an infra-red motion sensor. An infra-red motion... |
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Invention
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Motion detector with hybrid lens.
A lens assembly for a passive infrared motion detector has one... |
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2011
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Invention
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Motion detector |
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2010
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G/S
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Electronic security devices, namely, security control panels, electronic alarm keypads, alarm sen... |
