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MESSAGING DEVICES AND METHODS

  • US 20140220960A1
  • Filed: 02/04/2013
  • Published: 08/07/2014
  • Est. Priority Date: 02/04/2013
  • Status: Active Grant
First Claim
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1. An electronic messaging device, comprising:

  • a receiver configured to receive a message at an operational frequency;

    a controller operatively connected to the receiver;

    a memory operatively connected to the controller and configured to store a message received by the receiver, a value of a first variable, and a value of a second variable; and

    a power source configured to supply electrical power to the controller andwherein the controller is configured to;

    operate the receiver at a first operational frequency;

    determine a first filtered average received signal strength indication (RSSI) level of the first operational frequency based on a first plurality of measured RSSI levels, wherein only measured RSSI levels that are within a target RSSI range are included in the first plurality of measured RSSI levels;

    when the determined first filtered average RSSI level of the first operational frequency is above a first threshold RSSI level;

    increment the value of the first variable; and

    when the value of the first variable is at a first threshold value, reduce the value of the second variable;

    when the determined first filtered average RSSI level of the first operational frequency is below the first threshold RSSI level;

    increment the value of the second variable; and

    when the value of the second variable is at a secondthreshold value, operate the receiver at a second operational frequency.

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