Patent US10213157 AI Biotech/Diagnostics: Cardio

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Patent US10213157

Issued 2019-02-26

Active Unipolar Dry Electrode Open Ear Wireless Headset And Brain Computer Interface

Aspects of the present disclosure provide a wearable audio product for obtaining biologically-relevant information associated with a user comprising. The audio product comprises a first electrode placed over the user's auditory cortex on a first side of the user's body, a second electrode placed on the first side of the user's body, a first reference electrode placed on the first side of the user's body, a processor coupled to the first, second, and first reference electrode, the processor configured to take one or more actions based on signals received from the first, second, and first reference electrodes, and an electroacoustic transducer coupled to the processor. Any or all of the electrodes described herein may include any integer number of electrodes clustered in the specified location.

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3 Independent Claims

1. A wearable audio product for obtaining biologically-relevant information associated with a user comprising: a first electrode placed over the user's auditory cortex on a first side of the user's body; a second electrode placed on the first side of the user's body; a first reference electrode placed on the first side of the user's body; a third electrode placed over the user's auditory cortex on a second side of the user's body; a fourth electrode placed on the second side of the user's body; and a second reference electrode placed on the second side of the user's body, a processor coupled to the first, second, first reference, third, fourth, and second reference electrodes, the processor configured to take one or more actions based on signals received from the first, second, first reference, third, fourth, and second reference electrodes, wherein taking the one or more actions comprises: combining signals from first side movement artifacts, the user's brain signals detected by the first and second electrodes, and the first reference electrode to generate a combined first side signal; combining signals from second side movement artifacts, the user's brain signals detected by the third and fourth electrodes, and the second reference electrode to generate a combined second side signal; comparing the combined first side signal and the combined second side signal to output a difference for the first side and a difference for the second side; applying a first closed feedback loop for signals received from the first side of the body including the difference for the first side signal, applying a second closed feedback loop for signals received from the second side of the body including the difference for the second side signal, and removing noise from the received signals based on the first and second closed feedback loops, wherein removing the noise comprises cross-correlating the signals received from the first side of the body with the signals received from the second side of the body; and an electroacoustic transducer coupled to the processor.
13. A method for obtaining biologically-relevant information associated with a user from a wearable audio product including an electroacoustic transducer coupled to a processor, comprising: receiving, by the processor, electrical signals via a first electrode placed over the user's auditory cortex on a first side of the user's body; receiving, by the processor, electrical signals via a second electrode placed on the first side of the user's body; receiving, by the processor, electrical signals via a first reference electrode placed on the first side of the user's body; receiving, by the processor, electrical signals via a third electrode placed over the user's auditory cortex on a second side of the user's body; receiving, by the processor, electrical signals via a fourth electrode placed on the second side of the user's body; receiving, by the processor, electrical signals via a second reference electrode placed on the second side of the user's body; and taking, by the processor, one or more actions based, at least in part, on the signals received from the first, second, first reference, third, fourth, and second reference electrodes, wherein taking the one or more actions comprises: combining the signals from first side movement artifacts, the user's brain signals detected by the first and second electrodes, and the first reference electrode to generate a combined first side signal; combining the signals from second side movement artifacts, the user's brain signals detected by the third and fourth electrodes, and the second reference electrode to generate a combined second side signal; comparing the combined first side signal and the combined second side signal to output a difference for the first side and a difference for the second side; applying a first closed feedback loop for the signals received from the first side of the body including the difference for the first side signal, applying a second closed feedback loop for the signals received from the second side of the body including the difference for the second side signal, and removing noise from the received signals based on the first and second closed feedback loops, wherein removing the noise comprises cross-correlating the signals received from the first side of the body with the signals received from the second side of the body.
15. A wearable audio product including an electroacoustic transducer for obtaining biologically-relevant information associated with a user comprising: a first electrode, a second electrode, and a first reference electrode each placed on a first side of the user's body; a third electrode, a fourth electrode, and a second reference electrode each placed on a second side of the user's body; and a processor coupled to the first, second, third, fourth, first reference, and second reference electrodes, wherein the processor is configured to: perform noise canceling on signals received via the first, second, third, and fourth electrodes, wherein performing the noise canceling comprises: combining signals from first side movement artifacts, the user's brain signals detected by the first and second electrodes, and the first reference electrode to generate a combined first side signal; combining signals from second side movement artifacts, the user's brain signals detected by the third and fourth electrodes, and the second reference electrode to generate a combined second side signal; comparing the combined first side signal and the combined second side signal to output a difference for the first side and a difference for the second side; apply a first closed feedback loop for signals received from the first side of the body including the difference for the first side signal; apply a second closed feedback loop for signals received from the second side of the body including the difference for the second side signal; and remove noise from the received signals based on the first and second closed feedback loops, wherein removing the noise comprises cross-correlating the signals received from the first side of the body with the signals received from the second side of the body; and control the audio-product based on the noise-canceled signals.