Biosignal measuring apparatus and method of measuring biosignal
First Claim
Patent Images
1. A biosignal measuring apparatus, comprising:
- a first interfacing unit comprising two or more first interfaces configured to detect first signals, which comprises a biosignal and a noise signal, from a subject;
a second interfacing unit comprising two or more second interfaces and a connecter, the second interfaces being configured to detect the noise signal from the subject, the connecter being configured to electrically connect the two or more second interfaces; and
a biosignal extractor comprising;
a first differential amplifier configured to perform differential amplification on the first signals to output a first result, anda second differential amplifier configured to perform differential amplification on the noise signal from the second interfaces unit to output a second result,wherein the biosignal extractor is configured to extract the biosignal of the subject by removing the second result from the first result.
1 Assignment
0 Petitions
Accused Products
Abstract
A biosignal measuring apparatus and a method of measuring a biosignal is provided. A biosignal measuring apparatus includes a first interfacing unit including two or more first interfaces configured to detect first signals from a subject, a second interfacing unit including two or more second interfaces and a connecting unit, the second interfaces being configured to detect noise from the subject, the connecting unit being configured to connect the second interfaces, and a biosignal extracting unit configured to extract a biosignal of the subject from the first signals by using signals output from the second interfacing unit.
-
Citations
12 Claims
-
1. A biosignal measuring apparatus, comprising:
-
a first interfacing unit comprising two or more first interfaces configured to detect first signals, which comprises a biosignal and a noise signal, from a subject; a second interfacing unit comprising two or more second interfaces and a connecter, the second interfaces being configured to detect the noise signal from the subject, the connecter being configured to electrically connect the two or more second interfaces; and a biosignal extractor comprising; a first differential amplifier configured to perform differential amplification on the first signals to output a first result, and a second differential amplifier configured to perform differential amplification on the noise signal from the second interfaces unit to output a second result, wherein the biosignal extractor is configured to extract the biosignal of the subject by removing the second result from the first result. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A biosignal measuring apparatus, comprising:
-
a first interfacing unit comprising two or more first interfaces configured to detect first signals, which comprises a biosignal and a noise signal, from a subject; a second interfacing unit comprising two or more second interfaces and a connecter, the second interfaces being configured to detect the noise signal from the subject, the connecter being configured to electrically connect the two or more second interfaces; and a biosignal extractor comprising; a first differential amplifier configured to perform differential amplification on the first signals, a second differential amplifier configured to perform differential amplification on the signals output from the second interfacing unit, an adaptive filter configured to adaptively filter a signal output from the second differential amplifier based on a feedback from an adder, and the adder is configured to remove the adaptively filtered signal from a signal output from the first differential amplifier. - View Dependent Claims (12)
-
-
9. A biosignal measuring apparatus, comprising:
-
a first interfacing unit comprising two or more first interfaces configured to detect first signals, which comprises a biosignal and a noise signal, from a subject; a second interfacing unit comprising two or more second interfaces configured to detect the noise signal from the subject, a distance between the second interfaces being less than a distance between the first interfaces; and a biosignal extractor comprising; a first differential amplifier configured to perform differential amplification on the first signals to output a first result, and a second differential amplifier configured to perform differential amplification on the noise signal from the second interfaces unit to output a second result, wherein the biosignal extractor is configured to extract the biosignal of the subject by removing the second result from the first result. - View Dependent Claims (10)
-
-
11. A method of measuring a biosignal, the method comprising:
-
detecting first signals, which comprises a biosignal and a noise signal, from a subject based on an eleventh interface and a twelfth interface; detecting the noise signal from the subject based on a twenty-first interface and a twenty-second interface connected to the twenty-first interface; performing first differential amplification on the first signals, the first differential amplification outputting a first result; performing second differential amplification on the noise signal output from the twenty-first interface and the twenty-second interface, the second differential amplification outputting a second result; and extracting the biosignal of the subject from the first signals by removing the second result from the first result.
-
Specification