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Method and apparatus for optimizing standby power consumption and providing user indications in WPC based wireless charging system

  • US 9,509,171 B2
  • Filed: 12/15/2011
  • Issued: 11/29/2016
  • Est. Priority Date: 12/14/2011
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • at least one processor; and

    at least one memory including computer program code,the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;

    initiate a wireless charging and send a charging notification to an end user;

    send a battery full message for notifying the end user when a battery is charged to a full voltage by the wireless charging and terminating the wireless charging;

    set the apparatus to a standby mode and monitor a ping signal from a wireless charger transmitter to detect whether the apparatus is removed from the wireless charger transmitter;

    enter a maintenance charging mode without sending the charging notification to the end user, when a voltage of the battery drops from the full voltage to below a recharging threshold; and

    continue the maintenance charging mode of the apparatus until the battery is charged to the full voltage or the apparatus is removed from the wireless charger transmitter.

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