Wireless power transfer management
First Claim
1. A system comprising:
- an antenna configured to implement at least two selectable radiative electromagnetic field spatial distributions, each selectable radiative electromagnetic field spatial distribution of the at least two selectable radiative electromagnetic field spatial distributions having a respective bounding surface that describes a specified power density in the radiative electromagnetic field spatial distribution;
a spatial distribution selector circuit configured to select from the at least two selectable radiative electromagnetic field spatial distributions a radiative electromagnetic field that includes a target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution;
a sensor circuit configured to detect a presence of an object within the bounding surface of the selected radiative electromagnetic field spatial distribution;
a countermeasure circuit configured to select a response to the detected presence of the object within the bounding surface of the selected radiative electromagnetic field spatial distribution; and
a wireless power transfer management circuit configured to instruct the spatial distribution selector circuit to select from the at least two selectable radiative electromagnetic field spatial distributions another radiative electromagnetic field spatial distribution that (i) includes the target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution and (ii) implements the selected response to the detected presence of the object;
wherein the bounding surface includes a three-dimensional bounding surface.
6 Assignments
0 Petitions
Accused Products
Abstract
Described embodiments include a system and method. An antenna is configured to implement at least two selectable radiative electromagnetic field spatial distributions. Each selectable radiative electromagnetic field spatial distributions respectively has a bounding surface that describes a specified power density in the radiative electromagnetic field. A sensor circuit is configured to detect a presence of an object within the bounding surface of an implemented radiative electromagnetic field. A countermeasure circuit is configured to select a response to the detected presence of the object within the bounding surface of the implemented radiative electromagnetic field. A spatial distribution selector circuit is configured to select from the at least two selectable radiative electromagnetic field spatial distributions another radiative electromagnetic field spatial distribution (i) that includes a target device present within the bounding surface of the selected radiative electromagnetic field and (ii) that implements the selected response to the detected presence of the object.
12 Citations
38 Claims
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1. A system comprising:
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an antenna configured to implement at least two selectable radiative electromagnetic field spatial distributions, each selectable radiative electromagnetic field spatial distribution of the at least two selectable radiative electromagnetic field spatial distributions having a respective bounding surface that describes a specified power density in the radiative electromagnetic field spatial distribution; a spatial distribution selector circuit configured to select from the at least two selectable radiative electromagnetic field spatial distributions a radiative electromagnetic field that includes a target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution; a sensor circuit configured to detect a presence of an object within the bounding surface of the selected radiative electromagnetic field spatial distribution; a countermeasure circuit configured to select a response to the detected presence of the object within the bounding surface of the selected radiative electromagnetic field spatial distribution; and a wireless power transfer management circuit configured to instruct the spatial distribution selector circuit to select from the at least two selectable radiative electromagnetic field spatial distributions another radiative electromagnetic field spatial distribution that (i) includes the target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution and (ii) implements the selected response to the detected presence of the object; wherein the bounding surface includes a three-dimensional bounding surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A system comprising:
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an antenna configured to implement at least two selectable radiative electromagnetic field spatial distributions, each selectable radiative electromagnetic field spatial distribution of the at least two selectable radiative electromagnetic field spatial distributions having a respective bounding surface that describes a specified power density in the radiative electromagnetic field spatial distribution; a spatial distribution selector circuit configured to select from the at least two selectable radiative electromagnetic field spatial distributions a radiative electromagnetic field that includes a target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution; a sensor circuit configured to detect a presence of an object within the bounding surface of the selected radiative electromagnetic field spatial distribution; a countermeasure circuit configured to select a response to the detected presence of the object within the bounding surface of the selected radiative electromagnetic field spatial distribution; and a wireless power transfer management circuit configured to instruct the spatial distribution selector circuit to select from the at least two selectable radiative electromagnetic field spatial distributions another radiative electromagnetic field spatial distribution that (i) includes the target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution and (ii) implements the selected response to the detected presence of the object; wherein a selectable radiative electromagnetic field spatial distribution of the at least two selectable radiative electromagnetic field spatial distributions of the antenna further includes a radiative electromagnetic field probe distribution; and wherein the sensor circuit is configured to detect the object present within the bounding surface of a selected radiative electromagnetic field spatial distribution in response to a reflected energy from the radiative electromagnetic field probe distribution.
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36. A system comprising:
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an antenna configured to implement at least two selectable radiative electromagnetic field spatial distributions, each selectable radiative electromagnetic field spatial distribution of the at least two selectable radiative electromagnetic field spatial distributions having a respective bounding surface that describes a specified power density in the radiative electromagnetic field spatial distribution; a spatial distribution selector circuit configured to select from the at least two selectable radiative electromagnetic field spatial distributions a radiative electromagnetic field that includes a target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution; a sensor circuit configured to detect a presence of an object within the bounding surface of the selected radiative electromagnetic field spatial distribution; a countermeasure circuit configured to select a response to the detected presence of the object within the bounding surface of the selected radiative electromagnetic field spatial distribution; and a wireless power transfer management circuit configured to instruct the spatial distribution selector circuit to select from the at least two selectable radiative electromagnetic field spatial distributions another radiative electromagnetic field spatial distribution that (i) includes the target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution and (ii) implements the selected response to the detected presence of the object; wherein the sensor circuit includes another antenna configured to transmit another electromagnetic beam and receive a reflected energy from the another electromagnetic beam indicating a presence of the object within the bounding surface of the selected radiative electromagnetic field spatial distribution.
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37. A system comprising:
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an antenna configured to implement at least two selectable radiative electromagnetic field spatial distributions, each selectable radiative electromagnetic field spatial distribution of the at least two selectable radiative electromagnetic field spatial distributions having a respective bounding surface that describes a specified power density in the radiative electromagnetic field spatial distribution; a spatial distribution selector circuit configured to select from the at least two selectable radiative electromagnetic field spatial distributions a radiative electromagnetic field that includes a target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution; a sensor circuit configured to detect a presence of an object within the bounding surface of the selected radiative electromagnetic field spatial distribution; a countermeasure circuit configured to select a response to the detected presence of the object within the bounding surface of the selected radiative electromagnetic field spatial distribution; and a wireless power transfer management circuit configured to instruct the spatial distribution selector circuit to select from the at least two selectable radiative electromagnetic field spatial distributions another radiative electromagnetic field spatial distribution that (i) includes the target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution and (ii) implements the selected response to the detected presence of the object; and further comprising; a zone protection circuit configured to detect a presence of another object within the bounding surface of the selected radiative electromagnetic field spatial distribution in response to a signal from a tag or transponder physically associated with the another object; and wherein the countermeasure circuit is configured to select a response to the detected presence of the another object within the bounding surface of the selected radiative electromagnetic field spatial distribution.
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38. A system comprising:
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an antenna configured to implement at least two selectable radiative electromagnetic field spatial distributions, each selectable radiative electromagnetic field spatial distribution of the at least two selectable radiative electromagnetic field spatial distributions having a respective bounding surface that describes a specified power density in the radiative electromagnetic field spatial distribution; a spatial distribution selector circuit configured to select from the at least two selectable radiative electromagnetic field spatial distributions a radiative electromagnetic field that includes a target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution; a sensor circuit configured to detect a presence of an object within the bounding surface of the selected radiative electromagnetic field spatial distribution; a countermeasure circuit configured to select a response to the detected presence of the object within the bounding surface of the selected radiative electromagnetic field spatial distribution; and a wireless power transfer management circuit configured to instruct the spatial distribution selector circuit to select from the at least two selectable radiative electromagnetic field spatial distributions another radiative electromagnetic field spatial distribution that (i) includes the target device present within the bounding surface of the selected radiative electromagnetic field spatial distribution and (ii) implements the selected response to the detected presence of the object; wherein the response selected by the countermeasure circuit includes a redirection of the power transmitted by the antenna away from the object in response to the detected presence of the object.
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Specification