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Protection of confidential data being displayed or input in a mobile device

  • US 9,904,799 B2
  • Filed: 01/21/2016
  • Issued: 02/27/2018
  • Est. Priority Date: 01/21/2016
  • Status: Active Grant
First Claim
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1. A method comprising:

  • presenting a display on a screen of a mobile device having an electromagnetic radiation source;

    activating the electromagnetic radiation source while confidential data is being input in an input field of the display;

    deactivating the electromagnetic radiation source after completion of the confidential data in the input field of the display; and

    wherein presenting the display comprises presenting the display by a mobile application executing on the mobile device and wherein the electromagnetic radiation source is activated, by an operating system executing on the mobile device, in response to a screen focus of the display changing to include the input field.

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