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Shielding techniques for noise reduction in surface electromyography signal measurement and related systems and methods

  • US 10,687,759 B2
  • Filed: 05/28/2019
  • Issued: 06/23/2020
  • Est. Priority Date: 05/29/2018
  • Status: Active Grant
First Claim
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1. A wearable device comprising:

  • amplification circuitry comprising at least a first differential amplifier;

    at least two dry sEMG electrodes electrically connected to the amplification circuitry;

    at least one auxiliary conductor not electrically connected to the amplification circuitry, wherein the at least one auxiliary conductor is configured to be electrically coupled to a wearer of the wearable device; and

    an electromagnetic shield electrically connected to the at least one auxiliary conductor,wherein the amplification circuitry is positioned between the electromagnetic shield and the at least two dry sEMG electrodes.

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