Motion detector
First Claim
1. A motion-monitoring apparatus comprising:
- at least one antenna fixed within a barrier, the at least one antenna transmitting at least one first radio-frequency signal through the barrier to at least one volume outside the barrier, the at least one first radio-frequency signal reflecting from at least one object in the at least one volume to produce a plurality of second radio-frequency signals, the plurality of second radio-frequency signals being received by the at least one antenna;
at least one sensing circuit sensing the plurality of second radio-frequency signals, the at least one sensing circuit generating a plurality of time-domain output signals;
at least one processor receiving the plurality of time-domain output signals, the at least one processor comparing at least one successive time-domain output signal to at least one previous time-domain output signal to estimate at least one characteristic of the at least one object, the at least one characteristic including a motion of the at least one object; and
at least one monitor device remotely disposed from the at least one antenna, the at least one monitor device monitoring the at least one characteristic.
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Accused Products
Abstract
According to various illustrative embodiments, a motion-monitoring system comprises at least one antenna fixed within a barrier, the at least one antenna transmitting at least one first radio-frequency signal through the barrier to at least one volume outside the barrier, the at least one first radio-frequency signal reflecting from at least one object in the at least one volume to produce a plurality of second radio-frequency signals, which are received by the at least one antenna, at least one sensing circuit sensing the plurality of second radio-frequency signals and generating a plurality of time-domain output signals, and at least one processor receiving the plurality of time-domain output signals and comparing at least one successive time-domain output signal to at least one previous time-domain output signal to estimate at least one characteristic of the at least one object, including a motion of the at least one object.
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Citations
20 Claims
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1. A motion-monitoring apparatus comprising:
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at least one antenna fixed within a barrier, the at least one antenna transmitting at least one first radio-frequency signal through the barrier to at least one volume outside the barrier, the at least one first radio-frequency signal reflecting from at least one object in the at least one volume to produce a plurality of second radio-frequency signals, the plurality of second radio-frequency signals being received by the at least one antenna; at least one sensing circuit sensing the plurality of second radio-frequency signals, the at least one sensing circuit generating a plurality of time-domain output signals; at least one processor receiving the plurality of time-domain output signals, the at least one processor comparing at least one successive time-domain output signal to at least one previous time-domain output signal to estimate at least one characteristic of the at least one object, the at least one characteristic including a motion of the at least one object; and at least one monitor device remotely disposed from the at least one antenna, the at least one monitor device monitoring the at least one characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A motion-monitoring system comprising:
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at least one sensor set including at least one antenna fixed within a barrier, the at least one antenna transmitting at least one first radio-frequency signal through the barrier to at least one volume outside the barrier, the at least one first radio-frequency signal reflecting from at least one object in the at least one volume to produce a plurality of second radio-frequency signals, the plurality of second radio-frequency signals being received by the at least one antenna, the at least one sensor set including at least one sensing circuit sensing the plurality of second radio-frequency signals, the at least one sensing circuit generating a plurality of time-domain output signals; at least one processor receiving the plurality of time-domain output signals, the at least one processor comparing at least one successive time-domain output signal to at least one previous time-domain output signal to at least one of estimate at least one characteristic of the at least one object and distinguish at least one characteristic of the at least one object, the at least one characteristic including a motion of the at least one object; at least one monitoring station remotely disposed from the at least one sensor set, the at least one monitor station monitoring the at least one characteristic; and at least one visual display device providing at least one visual output representative of the at least one characteristic. - View Dependent Claims (16, 17, 18)
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19. A method of motion-monitoring comprising:
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transmitting at least one first radio-frequency signal through a barrier to at least one volume outside the barrier using at least one antenna fixed within the barrier, the at least one first radio-frequency signal reflecting from at least one object in the at least one volume to produce a plurality of second radio-frequency signals; receiving the plurality of second radio-frequency signals with the at least one antenna; generating a plurality of time-domain output signals using at least one sensing circuit sensing the plurality of second radio-frequency signals; comparing at least one successive time-domain output signal to at least one previous time-domain output signal to estimate at least one characteristic of the at least one object using at least one processor receiving the plurality of time-domain output signals, the at least one characteristic including a motion of the at least one object; and monitoring the at least one characteristic using at least one monitor device remotely disposed from the at least one antenna. - View Dependent Claims (20)
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Specification