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Apparatus and method for wireless power charging of subsequent receiver

  • US 10,199,871 B2
  • Filed: 06/29/2016
  • Issued: 02/05/2019
  • Est. Priority Date: 06/29/2016
  • Status: Active Grant
First Claim
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1. A device for wireless power transfer, the device comprising:

  • a power transmitting element configured to use a current at a first level to wirelessly transmit power sufficient to provide power to one or more chargeable devices positioned within a charging region; and

    a controller operationally coupled to the power transmitting element and configured to;

    adjust the current to a default level in response to detecting the one or more chargeable devices;

    adjust the current to the first level from the default level, the first level being different from the default level;

    detect a subsequent chargeable device positioned within the charging region while the current is at the first level;

    adjust the current, in response to detecting the subsequent chargeable device, from the first level to the default level prior to communication with the subsequent chargeable device; and

    adjust the current to a second level different from the default level to charge the one or more chargeable devices and to charge the subsequent chargeable device.

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