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Measuring muscle exertion using bone conduction

  • US 10,045,732 B2
  • Filed: 09/10/2014
  • Issued: 08/14/2018
  • Est. Priority Date: 09/10/2014
  • Status: Active Grant
First Claim
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1. A method comprising:

  • instructing, by a mobile device comprising a processor and an electro-acoustic transducer, a user to relax at least one muscle;

    generating, by the mobile device, via execution of a signal generator module by the processor of the mobile device, a baseline bone conduction signal;

    causing, by the mobile device, the electro-acoustic transducer to transmit the baseline bone conduction signal through at least one bone of a body of the user while the user relaxes the at least one muscle;

    receiving, by the mobile device, via the electro-acoustic transducer, a modified baseline bone conduction signal, wherein the modified baseline bone conduction signal comprises the baseline bone conduction signal modified by the body of the user while the user relaxes the at least one muscle responsive to receiving instruction from the mobile device;

    receiving, by the mobile device, an input instructing the mobile device to begin an exertion measurement to obtain muscle exertion data indicative of a level of exertion experienced by the at least one muscle;

    in response to receiving the input instructing the mobile device to begin the exertion measurement, generating, by the mobile device, via execution of the signal generator module by the processor of the mobile device, a measurement bone conduction signal;

    causing, by the mobile device, the electro-acoustic transducer to transmit the measurement bone conduction signal through the at least one bone of the body of the user while the user contracts the at least one muscle;

    receiving, by the mobile device, via the electro-acoustic transducer, a modified measurement bone conduction signal, wherein the modified measurement bone conduction signal comprises the measurement bone conduction signal as modified by the body of the user while the user contracts the at least one muscle of the body of the user; and

    comparing, by the mobile device, via execution of a signal comparator module by the processor of the mobile device, the modified measurement bone conduction signal to the modified baseline bone conduction signal to obtain the muscle exertion data indicative of the level of exertion experienced by the at least one muscle.

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