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System, method and article of manufacture to conserve power in a mobile device by temporarily displaying a scanning code without unlocking a mobile device

  • US 10,425,892 B2
  • Filed: 04/21/2016
  • Issued: 09/24/2019
  • Est. Priority Date: 05/16/2013
  • Status: Active Grant
First Claim
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1. A method to conserve power in a mobile device having a lock screen wallpaper, the method comprising:

  • identifying the mobile device is at a business location;

    temporarily replacing the lock screen wallpaper of the mobile device to an image having a QR code, the QR code encoding payment information for conducting a transaction at the business location;

    activating a display of the mobile device and rendering the image having the QR code as the lock screen wallpaper on the activated display of the mobile device which remains in the screen locked state; and

    conserving power in the mobile device by providing the image having the QR code as the lock screen wallpaper of the mobile device, without having to unlock the mobile device.

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