Wireless power transfer for low power devices
First Claim
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1. A wireless charging device, comprising:
- an antenna configured to wirelessly transmit power simultaneously to a first chargeable device and a second chargeable device at a level sufficient to charge or power the first and the second chargeable devices;
a user interface configured to receive a user input indicating a desired duration of a charging period for wirelessly transmitting power via the antenna to each one of the first and second chargeable devices;
a timer configured to track time during the charging period; and
a controller configured to deactivate the wireless transmission of power via the antenna to the first and second chargeable devices when the charging period is equal to the desired duration.
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Abstract
Exemplary embodiments are directed to wireless power transfer to simultaneously recharge power to more than one device and a user interface for setting charging duration. A method of operating a wireless receiver may comprise receiving wireless power with a receive antenna and conveying power from the receive antenna to a chargeable element. The method may further include electrically isolating the receive antenna from the chargeable element upon detecting that the chargeable element is fully-charged.
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Citations
27 Claims
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1. A wireless charging device, comprising:
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an antenna configured to wirelessly transmit power simultaneously to a first chargeable device and a second chargeable device at a level sufficient to charge or power the first and the second chargeable devices; a user interface configured to receive a user input indicating a desired duration of a charging period for wirelessly transmitting power via the antenna to each one of the first and second chargeable devices; a timer configured to track time during the charging period; and a controller configured to deactivate the wireless transmission of power via the antenna to the first and second chargeable devices when the charging period is equal to the desired duration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for charging via a wireless charging device, the method comprising:
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wirelessly transmitting power simultaneously to a first chargeable device and a second chargeable device via an antenna at a level sufficient to charge or power the first and the second chargeable devices; receiving a user input indicating a desired duration of a charging period for wirelessly transmitting power via the antenna to each one of the first and second chargeable devices via a user interface; deactivating the wireless transmission of power via the antenna to the first and second chargeable devices when the charging period is equal to the desired duration. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A wireless charging device, the device comprising:
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means for wirelessly transmitting power simultaneously to a first chargeable device and a second chargeable device at a level sufficient to charge or power the first and the second chargeable devices; means for receiving a user input indicating a desired duration of a charging period for wirelessly transmitting power to each one of the first and second chargeable devices; and means for deactivating the wireless transmission of power to the first and second chargeable devices when the charging period is equal to the desired duration. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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Specification