EEG MONITOR WITH CAPACTIVE ELECTRODES AND A METHOD OF MONITORING BRAIN WAVES
First Claim
1. An EEG monitor for continuously monitoring the EEG of a user through capacitive coupling to an ear canal of a user, said EEG monitor comprising at least two capacitive electrodes adapted for recording a signal, the electrodes being coated with a dielectricum for electrical isolation of the electrode, an amplifier connected to the electrodes for amplification of the electrode signals, wherein the amplifier has an input impedance matched to the impedance of the electrodes, and an ear insert for positioning within the human ear canal, at least one of said electrodes being placed at said ear insert.
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Accused Products
Abstract
A wearable EEG monitor for continuously monitoring the EEG of a user through capacitive coupling to an ear canal of a user comprises an ear insert (1) for positioning within the human ear canal, comprising at least two capacitive electrodes (16) for recording a signal. The electrodes are coated with a dielectricum for electrical insulation. The electrodes are connected to an amplifier (17). The amplifier has an input impedance matched to the impedance of the electrodes. The invention further provides a method of monitoring brain waves.
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Citations
18 Claims
- 1. An EEG monitor for continuously monitoring the EEG of a user through capacitive coupling to an ear canal of a user, said EEG monitor comprising at least two capacitive electrodes adapted for recording a signal, the electrodes being coated with a dielectricum for electrical isolation of the electrode, an amplifier connected to the electrodes for amplification of the electrode signals, wherein the amplifier has an input impedance matched to the impedance of the electrodes, and an ear insert for positioning within the human ear canal, at least one of said electrodes being placed at said ear insert.
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18. A method of monitoring brain waves comprising arranging a capacitive electrode coated with a dielectricum in an ear insert,
placing the ear insert within an ear canal of a human subject, arranging at least one reference electrode coated with a dielectricum in contact with the head of the subject, placing a processor adjacent the electrode of the subject, connecting the electrodes to the processor, and using the processor to record and process the signals from the electrodes thereby monitoring the brain waves.
Specification