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Device for detecting electric potentials

  • US 9,968,272 B2
  • Filed: 10/27/2015
  • Issued: 05/15/2018
  • Est. Priority Date: 10/28/2014
  • Status: Active Grant
First Claim
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1. A device for detecting electric potentials of electrodes configured to be placed on a body of a patient in cooperation with an additional electrode configured to be placed on the body of the patient, the device comprising:

  • a plurality of measuring electrode inputs;

    a plurality of measuring amplifiers, each of the plurality of measuring amplifiers comprising a first measuring amplifier input and a second measuring amplifier input and a measuring amplifier output;

    a summing unit with summing unit inputs each of the summing unit inputs being connected to a respective one of the measuring amplifier outputs of the measuring amplifiers, the summing unit being configured to send a signal, proportional to a mean value of signals of the measuring amplifier outputs of the measuring amplifiers, to a summing unit output, wherein;

    each of the measuring electrode inputs is connected to the first measuring amplifier input of a respective one of the measuring amplifiers; and

    the summing unit output of the summing unit is connected to each second measuring amplifier input of the measuring amplifiers;

    an additional electrode potential output; and

    a further amplifier with a further amplifier input connected to the summing unit output of the summing unit and with a further amplifier output connected to the additional electrode potential output.

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