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Cellular telephone tracking techniques

  • US 9,277,355 B1
  • Filed: 04/04/2014
  • Issued: 03/01/2016
  • Est. Priority Date: 04/04/2013
  • Status: Expired due to Fees
First Claim
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1. A communications device that enables monitoring of presence and movement of a holder of the communications device, comprising:

  • a speed determining unit that determines a speed of movement of the communications device;

    an analysis unit that analyzes the speed of movement of the communications device, as determined by said speed determining unit, relative to a threshold and determines that, when below the threshold, the determined speed of movement of the communications device is indicative of walking of a holder of the communications device and when above the threshold, the determined speed of movement of the communications device is indicative of motorized transport of the holder of the communications device;

    a message generator that generates a message based on the determination by said analysis unit, said message generator being configured to select one of a plurality of possible, different messages based on the determined speed of movement of the communications device relative to the threshold; and

    a communications unit configured to send the selected message to at least one other communications device from among a plurality of predetermined other communications devices, the at least one other communications device to which the selected message is sent being determined based on the determined speed of movement of the communications device relative to the threshold, such that both the selected message and at least one recipient thereof are determined based on the speed of movement of the communications device, as determined by said speed determining unit, relative to the threshold.

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