ADAPTIVE POWER CONTROL FOR WIRELESS CHARGING OF DEVICES
First Claim
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1. A wireless power transmitter, comprising:
- a transmit antenna configured to generate an electromagnetic field having a region for wirelessly transferring power from the transmit antenna to a plurality of receiver devices; and
a controller operably coupled to the transmit antenna, the controller being configured to;
determine a power allocation for a particular one of the plurality of receiver devices disposed within the region, andadjust the power allocation based at least in part on a power requirement received from the particular one of the plurality of receiver devices.
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Abstract
Exemplary embodiments are directed to wireless power transfer. A transmit antenna generates an electromagnetic field having a region for wirelessly transferring power from the transmit antenna to a plurality of receiver devices. A controller is operably coupled to the transmit antenna. The controller determines a power allocation for a particular one of the plurality of receiver devices disposed within the region, and adjusts the power allocation based at least in part on a power requirement received from the particular one of the plurality of receiver devices.
286 Citations
20 Claims
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1. A wireless power transmitter, comprising:
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a transmit antenna configured to generate an electromagnetic field having a region for wirelessly transferring power from the transmit antenna to a plurality of receiver devices; and a controller operably coupled to the transmit antenna, the controller being configured to; determine a power allocation for a particular one of the plurality of receiver devices disposed within the region, and adjust the power allocation based at least in part on a power requirement received from the particular one of the plurality of receiver devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of wireless power transfer, comprising:
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generating, at a transmit antenna, an electromagnetic field having a region for wirelessly transferring power from the transmit antenna to a plurality of receiver devices; determining a power allocation for a particular one of the plurality of receiver devices disposed within the region; and adjusting the power allocation based at least in part on a power requirement received from the particular one of the plurality of receiver devices. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A power transfer system, comprising:
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means for generating an electromagnetic field having a region for wirelessly transferring power to a plurality of receiver devices; means for determining a power allocation for a particular one of the plurality of receiver devices disposed within the region; and means for adjusting the power allocation based at least in part on a power requirement received from the particular one of the plurality of receiver devices. - View Dependent Claims (19, 20)
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Specification