Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 26, 2021
Patent Application Number
14571733
Date Filed
December 16, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
Earphone apparatus includes dry electrophysiological electrodes and, optionally, other physiological and/or environmental sensors to measure signals such as ECG from the head of a subject. Methods of use of such apparatus to provide fitness, health, or other measured or derived, estimated, or predicted metrics are also disclosed.
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