APPARATUS AND METHOD FOR LOST POWER DETECTION
First Claim
1. An apparatus for wirelessly transferring power, the apparatus comprising:
- an antenna configured to provide wireless power to a chargeable device sufficient to charge or power the chargeable device positioned within a charging region of the antenna;
a receiver configured to receive from the chargeable device a measurement of a first amount of energy received by the chargeable device over a first period of time; and
a processor configured to;
measure a second amount of energy provided by the antenna over a second period of time;
compare the first amount of energy received from the chargeable device to the second amount of energy provided by the antenna over the second period; and
determine whether an object other than the chargeable device is absorbing power provided via the antenna based at least in part on comparing the first amount and the second amount of energy.
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Accused Products
Abstract
An apparatus and method for lost power detection are described. In one implementation, an apparatus for wirelessly transferring power includes an antenna configured to provide wireless power to a chargeable device sufficient to charge or power the chargeable device positioned within a charging region of the antenna. The apparatus further includes a receiver configured to receive from the chargeable device a measurement of a first amount of energy received by the chargeable device over a first period of time. The apparatus further includes a processor configured to measure a second amount of energy provided by the antenna over a second period of time, compare the first amount of energy to the second amount of energy, and determine whether another object is absorbing power provided via the antenna based at least in part on comparing the first amount and the second amount of energy.
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Citations
30 Claims
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1. An apparatus for wirelessly transferring power, the apparatus comprising:
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an antenna configured to provide wireless power to a chargeable device sufficient to charge or power the chargeable device positioned within a charging region of the antenna; a receiver configured to receive from the chargeable device a measurement of a first amount of energy received by the chargeable device over a first period of time; and a processor configured to; measure a second amount of energy provided by the antenna over a second period of time; compare the first amount of energy received from the chargeable device to the second amount of energy provided by the antenna over the second period; and determine whether an object other than the chargeable device is absorbing power provided via the antenna based at least in part on comparing the first amount and the second amount of energy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for wirelessly transferring power, the method comprising:
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transmitting power from a transmitter at a power level sufficient to power or charge a chargeable device positioned within a charging region; receiving from the chargeable device a measurement of a first amount of energy received by the chargeable device over a first period of time; measuring a second amount of energy provided by the transmitter over a second period of time; comparing the first amount of energy received from the chargeable device over the first period to the second amount of energy provided by the transmitter over the second period; and determining whether an object other than the chargeable device is absorbing power provided via the transmitter based at least in part on comparing the first amount and the second amount of energy. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. An apparatus for wirelessly transferring power, the apparatus comprising:
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means for transmitting power at a power level sufficient to power or charge a chargeable device positioned within a charging region; means for receiving from the chargeable device a measurement of a first amount of energy received by the chargeable device over a first period of time; means for measuring a second amount of energy provided by the transmitting means over a second period of time; means for comparing the first amount of energy received from the chargeable device over the first period to the second amount of energy provided by the transmitting means over the second period; and means for determining whether an object other than the chargeable device is absorbing power provided via the transmitting means based at least in part on comparing the first amount and the second amount of energy. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A non-transitory computer readable medium comprising instructions that when executed cause a processor to perform a method of:
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transmitting power from a transmitter at a power level sufficient to power or charge a chargeable device positioned within a charging region; receiving from the chargeable device a measurement of a first amount of energy received by the chargeable device over a first period of time; measuring a second amount of energy provided by the transmitter over a second period of time; comparing the first amount of energy received from the chargeable device over the first period to the second amount of energy provided by the transmitter over the second period; and determining whether an object other than the chargeable device is absorbing power provided via the transmitter based at least in part on comparing the first amount and the second amount of energy. - View Dependent Claims (27, 28, 29, 30)
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Specification