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Electronic device and method for detecting presence

  • US 9,140,794 B2
  • Filed: 12/12/2013
  • Issued: 09/22/2015
  • Est. Priority Date: 09/11/2013
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • a housing including an outer surface having an opening formed thereon;

    an infrared (“

    IR”

    ) sensor disposed in the housing and adjacent to the opening, wherein the IR sensor has a line of sight through the opening to outside of the housing, the IR sensor being configured to;

    detect, via the opening and from the outside of the housing, heat; and

    generate a signal in response to detecting the heat; and

    a processor communicatively linked to the IR sensor and configured to;

    receive the signal generated by the IR sensor;

    determine, based on the signal generated by the IR sensor, a distance between a person and the electronic device;

    select, based on the distance, a type of notification to initiate in response to receiving the signal, wherein the type of notification is selected from a group consisting of a sound type of notification and a display type of notification; and

    initiate a notification that is of the type of notification selected based on the distance.

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