Biosignal processing method and apparatus

Patent metadata

Field	Value
Publication number	US-2016183884-A1
Application number	US-201514812441-A
Country	US
Kind code	A1
Filing date	Jul 29, 2015
Priority date	Dec 29, 2014
Publication date	Jun 30, 2016
Grant date	—

Abstract

A biosignal processing apparatus and method thereof include a signal receiver and a signal processor. The signal receiver is configured to receive a biosignal having a corresponding electrical physical quantity from a sensor. The signal processor includes a voltage inputter and a current inputter, and configured to process the biosignal using one of the voltage inputter and the current inputter and based on the corresponding electrical physical quantity of the biosignal.

First claim

What is claimed is:

1 . A biosignal processing apparatus, comprising:
a signal receiver configured to receive a biosignal having a corresponding electrical physical quantity from a sensor; and a signal processor comprising a voltage inputter and a current inputter, and configured to process the biosignal using one of the voltage inputter and the current inputter and based on the corresponding electrical physical quantity of the biosignal.

2 . The apparatus of claim 1 , wherein the signal processor is configured to receive the biosignal for each time interval using one of the voltage inputter and the current inputter.

3 . The apparatus of claim 1 , wherein the signal processor is configured to receive the biosignal using one of the voltage inputter and the current inputter based on a control event occurring in response to a user input.

4 . The apparatus of claim 1 , wherein the signal processor is configured to receive the biosignal using one of the voltage inputter and the current inputter based on a control signal generated in response to a termination of a time interval for sensing the biosignal.

5 . The apparatus of claim 4 , wherein the current inputter comprises a chopper configured to modulate a frequency component of an input current to the current inputter based on the control signal, and configured to change connections between input ends and output ends of the current inputter based on the control signal.

6 . The apparatus of claim 1 , wherein in response to the electrical physical quantity of the biosignal being a current, the signal processor is configured to receive the biosignal using the current inputter and to receive a reference voltage signal using the voltage inputter.

7 . The apparatus of claim 1 , wherein in response to the electrical physical quantity of the biosignal being a voltage, the signal processor is configured to receive the biosignal using the voltage inputter, and the current inputter is configured to control a connection with an electrical element included in the signal processor.

8 . The apparatus of claim 1 , wherein the signal receiver is configured to receive a current to sense the biosignal.

9 . The apparatus of claim 1 , wherein the signal receiver comprises a multiplexer.

10 . The apparatus of claim 1 , wherein each of the sensors transmits a biosignal with an electrical physical quantity different from electrical physical quantities of other biosignals.

11 . The apparatus of claim 1 , wherein the signal processor operates in one of a voltage measuring mode, in which a multiplexer of the signal receiver is connected to the voltage inputter and the current inputter is disconnected, and a current measuring mode, in which the multiplexer of the signal receiver is connected to the signal processor through the current inputter and disconnected from the voltage inputter.

12 . A biosignal processing apparatus, comprising:
a signal receiver configured to receive a biosignal having a corresponding electrical physical quantity from sensors; and an analog front-end comprising a voltage inputter and a current inputter, and configured to process the biosignal using one of the voltage inputter and the current inputter and based on the corresponding electrical physical quantity of the biosignal.

13 . The apparatus of claim 12 , wherein the analog front-end is configured to receive the biosignal for each time interval using one of the voltage inputter and the current inputter.

14 . The apparatus of claim 12 , wherein the analog front-end is configured to receive the biosignal using one of the voltage inputter and the current inputter based on a control event occurring in response to a user input.

15 . The apparatus of claim 12 , wherein the analog front-end is configured to receive the biosignal using one of the voltage inputter and the current inputter based on a control signal generated in response to a termination of a time interval for sensing the biosignal.

16 . The apparatus of claim 12 , wherein in response to the electrical physical quantity of the biosignal being a current, the analog front-end is configured to receive the biosignal using the current inputter and to receive a reference voltage signal using the voltage inputter.

17 . The apparatus of claim 12 , wherein in response to the electrical physical quantity of the biosignal being a voltage, the analog front-end is configured to receive the biosignal using the voltage inputter, and the current inputter is configured to control a connection with an electrical element included in the analog front-end.

18 . The apparatus of claim 12 , further comprising:
a current generator configured to generate a current to sense the biosignal.

19 . A biosignal processing method, comprising:
receiving a biosignal output from a sensor; transferring the biosignal to one of a voltage inputter and a current inputter; and processing the biosignal based on an electrical physical quantity of the biosignal received using one of the voltage inputter and the current inputter.

20 . The method of claim 19 , wherein each biosignal is received at different time intervals through one of the voltage inputter and the current inputter.

21 . A non-transitory computer readable medium configured to control a processor to perform the method of claim 16 .

Assignees

• Samsung Electronics Co Ltd

Inventors

• Lee Takhyung
• Kim Jongpal

Classifications

• A61B5/304

  Switching circuits · CPC title

• A61B5/0402

  Human Necessities · mapped topic

• A61B5/0537

  Measuring body composition by impedance, e.g. tissue hydration or fat content · CPC title

• A61B5/7271 Primary

  Specific aspects of physiological measurement analysis (specific diagnostics methods using bioelectric or biomagnetic signals A61B5/316) · CPC title

• A61B5/02055

  Simultaneously evaluating both cardiovascular condition and temperature · CPC title