Aira, Inc.

Jake Slatnick

Eric Heindel Goodchild

John Winters

Systems, methods and apparatus for wireless charging are disclosed. A method for operating a wireless charging device includes determining that a chargeable device is positioned proximate to a plurality of charging coils provided at a charging surface of the wireless charging device, identifying two or more charging configurations for the chargeable device, determining power loss while wirelessly transmitting power to the chargeable device for each charging configuration in the two or more charging configurations, and initiating charging of the chargeable device using a charging configuration associated with a lowest power loss to configure the wireless charging device. Each charge configuration includes at least one of the plurality of charging coils.

Multi-coil selection in a charging device

Systems, methods and apparatus for wireless charging are disclosed. An apparatus has a wireless charging apparatus has a battery charging power source coupled to a charging circuit, a plurality of charging cells configured to provide a charging surface, and a controller. The controller may be configured to provide a pulse to the charging circuit, detect a frequency of oscillation of the charging circuit responsive to the pulse or a rate of decay of the oscillation of the charging circuit, and determine that a chargeable device has been placed in proximity to a coil of the charging circuit based on changes in a characteristic of the charging circuit. The pulse may have a duration that is less than half the period of a nominal resonant frequency of the charging circuit.

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San Diego, CA, United States of America

Jake Slatnick