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Power case for electronic device

  • US 9,680,518 B2
  • Filed: 01/04/2016
  • Issued: 06/13/2017
  • Est. Priority Date: 01/05/2013
  • Status: Active Grant
First Claim
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1. A protective cover for a mobile computing device having a touchscreen, the protective cover comprising:

  • a shell to at least partially surround the mobile computing device when the mobile computing device is installed in the shell, the shell having an outer surface and an inner surface, the shell providing access to the touchscreen of the installed mobile computing device;

    a rechargeable energy storage device;

    a first electrical connector accessible at the outer surface of the shell for temporarily electrically interconnecting the protective cover to an external power supply for receiving electrical power from the external power supply;

    a second electrical connector attached to the inner surface of the shell for electrically interconnecting the protective cover to the installed mobile computing device; and

    electrical circuitry configured such that;

    when the protective cover is receiving the electrical power from the external power supply through the first electrical connector, the electrical circuitry distributes the received electrical power to the installed mobile computing device through the second electrical connector and to the rechargeable energy storage device of the protective cover to charge the rechargeable energy storage device; and

    when the protective cover is not receiving the electrical power from the external power supply, the electrical circuitry distributes stored electrical power from the rechargeable energy storage device of the protective cover to the installed mobile computing device through the second electrical connector, wherein the distribution of the stored electrical power to the installed mobile computing device occurs only after receiving a data communication from the mobile computing device, and wherein the distribution is based on information included in the data communication received from the mobile computing device.

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