WO2022164178A1

WO2022164178A1 - Electronic device for measuring signal by using plurality of electrodes and control method thereof

Info

Publication number: WO2022164178A1
Application number: PCT/KR2022/001316
Authority: WO
Inventors: 이민형; 김도윤; 김무림
Original assignee: 삼성전자 주식회사
Priority date: 2021-01-29
Filing date: 2022-01-25
Publication date: 2022-08-04
Also published as: KR20220109651A

Abstract

The present document pertains to an electronic device that measures a biometric signal by using a plurality of electrodes and analyzes a measured value, and a control method thereof. The electronic device according to an embodiment of the present document comprises: a main module; a belt module which is electrically connected to the main module, comprises a button for releasing fastening of a belt, on a first surface thereof, and comprises a reference electrode on a second surface thereof; a belt which is electrically connected to the belt module and comprises a plurality of electrodes on the second surface, the plurality of electrodes being composed of a conductive silicone and being expandable or contractable by air; and a cable connecting the main module and the belt module. The main module controls each of the plurality of electrodes included in the belt to expand or contract and measures a biometric signal of a user on the basis of at least one signal measured in the plurality of electrodes.

Description

Electronic device for measuring a signal using a plurality of electrodes and a method for controlling the same

This document relates to an electronic device for measuring a biosignal using a plurality of electrodes and analyzing the measured value, and a method for controlling the same.

The human body has different resistivity depending on the living tissue (or the state of the tissue), and when a voltage is measured after injecting a minute current into the body, the resistivity distribution inside the body can be analyzed. It can be used in various fields such as heart and lung function diagnosis, cerebral hemorrhage, breast cancer screening, abdominal fat distribution analysis, etc.

This bioimpedance measurement method can also be applied to sleep apnea measurement. The conventional bioimpedance measurement method attaches an electrode under the chest of the measurer, measures current injection and voltage through hardware, and analyzes the measured values through an algorithm to determine electrical properties according to changes in air flow and air distribution inside the lungs, That is, the impedance change can be imaged.

Through the image information according to the impedance change, the respiratory rate of the measurer's lungs can be quantified and the state of hypopnea and apnea can be checked, and information necessary for diagnosing sleep apnea can be obtained.

However, in the conventional method, an electrocardiogram electrode is used for commercial use as an electrode attached under the chest, and there is a cumbersome need to seek the help of a professional medical team to attach the electrode to an accurate position.

In addition, if a gel-type disposable adhesive electrode is used, it cannot be reused, and if the adhesive electrode is incorrectly attached, the adhesive strength decreases during reattachment, so that the entire belt including the adhesive electrode has to be discarded.

In addition, in the case of the conventional method, it is impossible to check the adhesion state between the electrode and the skin, so there is a problem in that it is impossible to induce a smooth contact when a non-contact state occurs between the electrode and the skin during measurement of a biosignal.

This document provides an electronic device configured in the form of an integrated belt so that a user can wear a chest belt including a plurality of electrodes by himself/herself.

In this document, for accurate measurement, an electronic device that can check the contact between a plurality of electrodes in the belt and the skin and deliver it to the user, and alert the user when non-contact occurs or induce smooth contact from the belt itself. to provide.

An electronic device according to an embodiment of the present document includes a main module, a belt module electrically connected to the main module, including a belt release button on a first surface, and a reference electrode on a second surface; A belt electrically connected to the belt module and made of conductive silicone on the second surface and including a plurality of electrodes that can be expanded or contracted by air, and a cable connecting the main module and the belt module do. The main module may control each of the plurality of electrodes included in the belt to expand or contract, and measure a user's biosignal based on at least one signal measured from the plurality of electrodes.

A method of controlling an electronic device according to an embodiment of the present document includes a first control signal for controlling each of a plurality of electrodes included in the electronic device, made of conductive silicon, and capable of being expanded or contracted by air. an operation of transmitting, an operation of determining whether each of the plurality of electrodes whose size is changed based on the first control signal is normally attached to the user's body, and an operation of determining whether each of the plurality of electrodes is normally attached to the user's body based on the first control signal as a result of the determination When each of the electrodes is normally attached to the user's body, the method may include measuring a bio-signal provided from each of the plurality of electrodes, and estimating the user's body state based on the bio-signal. have.

The electronic device according to an embodiment of the present document is configured in an integrated belt form so that a user can wear a belt including a plurality of electrodes by himself/herself, thereby increasing the convenience and accuracy of measuring biosignals.

The electronic device according to the embodiment of the present document checks whether a plurality of electrodes in the belt and the skin are in contact for accurate measurement, transmits it to the user, and gives an alarm to the user when non-contact occurs or provides a smooth contact with the belt itself to increase the measurement accuracy.

Effects according to various embodiments are not limited to the effects described above, and it is apparent to those skilled in the art that various effects are inherent in the present disclosure.

1A is a block diagram illustrating an electronic device according to an exemplary embodiment of the present document.

1B is a block diagram illustrating an electronic device and an external electronic device according to an embodiment of the present document.

2 is a block diagram illustrating an electronic device according to another exemplary embodiment of the present document.

3A is an exemplary view for explaining a main module according to an embodiment of the present document.

3B is an exemplary view for explaining a belt module according to an embodiment of the present document.

3C is an exemplary view for explaining a belt according to an embodiment of the present document.

3D is an exemplary view for explaining a cable according to an embodiment of the present document.

4A is an exemplary diagram illustrating an electronic device according to an embodiment of the present document.

4B is an exemplary diagram illustrating a state in which an electronic device is attached to a user according to an embodiment of the present document.

5A, 5B, 5C, 5D, 5E, 5F, 5G, 5H, 5I, and 5J are exemplary views illustrating applications executed in an external electronic device according to an embodiment of the present document.

6 is an exemplary view showing the appearance of an air bag-type electrode made of a conductive silicone material according to an embodiment of the present document.

7 is another exemplary view showing the appearance of an air bag-type electrode made of a conductive silicone material according to an embodiment of the present document.

8A and 8B are exemplary views showing the state of the reference electrode and the measurement electrode according to the embodiment of the present document.

9 is an exemplary view showing a state of adjusting the pressure of the air bag-type electrode according to the embodiment of the present document.

10 is an exemplary view illustrating a state in which the air bag-type electrode according to an embodiment of the present document controls the pressure of the air bag-type electrode when the air bag-type electrode does not contact the user.

11A, 11B, and 11C are exemplary views illustrating a state in which a change in the user's posture is induced by adjusting the pressure of the air bag-type electrode according to the embodiment of the present document.

12 is a flowchart illustrating a method of operating an electronic device according to an exemplary embodiment of the present document.

Referring to FIG. 1A , the electronic device 10 according to an embodiment of the present document may include a main module 100 , a cable 200 , a belt module 300 , and a belt 400 .

The main module 100 includes a processor 110 , an impedance measurement circuit 120 , a display 130 , a memory 140 , a battery 150 , a transceiver 160 , a pump 170 , a valve 180 , and a pressure At least one of the sensors 180 may be included. According to an embodiment of this document, some of the components 110 to 180 included in the main module 100 may be implemented as one integrated circuit. For example, the processor 110 , the impedance measuring circuit 120 , and the transceiver 160 may be implemented as one circuit.

According to an embodiment of the present document, at least some of the components of FIG. 1A may be implemented so that the electronic device 10 does not include it.

The main module 100 is electrically connected to the belt module 300 through the cable 200, and controls a plurality of conductive silicon air bag-type electrodes implemented on the belt 400 by the belt module 300. can do.

The processor 110 according to an embodiment of the present document executes, for example, software (eg, a program) and at least one other component (eg, hardware or software components) and may perform various data processing or operations. According to an embodiment of the present document, as at least part of data processing or operation, the processor 110 loads instructions or data obtained from another component (eg, the impedance measurement circuit 120 ) into the memory 140 , and , a command or data stored in the memory 140 may be processed, and the result data may be stored in the memory 140 .

According to an embodiment of the present document, the processor 110 includes a main processor (eg, a central processing unit or an application processor), and an auxiliary processor (eg, a graphic processing unit, an image signal processor, a sensor hub) that can be operated independently or together with the main processor (eg, a central processing unit or an application processor) processor, or communication processor). Additionally or alternatively, the auxiliary processor may be configured to use less power than the main processor or to specialize in a designated function. The auxiliary processor according to an embodiment of the present document may be implemented separately from or as a part of the main processor. The co-processor may be, for example, on behalf of the main processor while the main processor is in an inactive (eg, sleep) state, or in conjunction with the main processor while the main processor is in an active (eg, running application) state, in an electronic device. It is possible to control at least some of the functions or states related to at least one of the components of (10).

The impedance measuring circuit 120 according to an embodiment of the present document injects a current into an electrode included in at least one of the belt module 300 and the belt 400 to measure the human body (or biological tissue) of the biosignal measurement target. It can be implemented to measure impedance. The impedance measuring circuit 120 may measure the voltage to the human body (or biological tissue) of the biosignal measurement target based on the measurement signal transmitted from the belt module 300, and may measure (or calculate) the impedance through this. . According to an embodiment of the present document, the impedance measuring circuit 120 may be implemented to include a channel selection switch.

The display 130 according to an embodiment of this document may visually provide information to the outside (eg, a user) of the electronic device 10 . The display 130 according to an embodiment of this document may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the corresponding device. According to an embodiment of the present document, the display 130 includes a touch circuitry configured to sense a touch, or a sensor circuitry configured to measure the intensity of a force generated by the touch (eg, a pressure sensor). can do.

The memory 140 according to an embodiment of the present document may store various data used by at least one component (eg, the processor 110 or the impedance measuring circuit 120 ) of the electronic device 10 . . Data may include, for example, input data or output data for software (eg, a program) and instructions related thereto. The memory 140 according to the exemplary embodiment of this document may include a volatile memory or a non-volatile memory. A program may be stored as software in a memory, and may include, for example, an operating system, middleware, or an application. At least temporarily.

The battery 150 according to the exemplary embodiment of this document may include a charging circuit and a rechargeable battery charged in the charging circuit. The battery 150 supplies power to at least one of the main module 100 , the cable 200 , the belt module 300 , and the belt 400 included in the electronic device 10 under the control of the processor 110 . can

The transceiver 160 according to an embodiment of this document may be implemented so that the electronic device 10 can exchange data with an external electronic device. The transceiver 160 may include at least one of a Bluetooth Low Energy (BLE) module for wireless data transmission or a Universal Serial Bus Memory (USB) for wired data transmission and charging.

The pump 170 , the valve 180 , and the pressure sensor 180 according to an embodiment of the present document include at least one of the belt module 300 and the belt 400 based on a command (or control) of the processor 110 . It may be implemented to control air injection and exhaust inside the air bag-type electrode included in one.

The cable 200 according to an embodiment of this document may electrically connect the main module 100 and the belt module 300 . The cable 200 may be composed of wires such that the current generated by the impedance measurement circuit 120 is injected and a voltage according to the human impedance value measured in at least one of the belt module 300 and the belt 400 is transmitted. .

The cable 200 according to the exemplary embodiment of this document may be configured as a co-axial cable or a tri-axial cable to block external noise. A communication line for communication with an acceleration sensor or a microphone and a power line for power transmission may be additionally implemented in the cable 200 according to an embodiment of the present document. Air for air transfer between the air bag-type electrode included in at least one of the belt module 300 and the belt 400 in the cable 200 according to an embodiment of the present document, the pump 170, and the valve 180 A tube may further be implemented.

The belt module 300 according to an embodiment of the present document may be electrically connected to the main module 100 through a cable 200 , and may be coupled to the belt 400 . The belt module 300 according to an embodiment of the present document includes a button for releasing the belt fastening, a disposable reference electrode attached through a snap connector, and a user's biosignal (eg, snoring). ) may include at least one of a microphone for measuring and an accelerometer for measuring user movement. According to the embodiment, the snap connector is for attaching a disposable reference electrode to the bottom of the belt module 300, and the reference electrode maintains a common ground with the human body to reduce noise of the measurement signal can do it

The belt 400 according to an embodiment of the present document is coupled to the belt module 300 and may be implemented by including a plurality of measuring electrodes made of conductive silicon material attached to the user's skin. According to an embodiment, the plurality of measuring electrodes made of conductive silicone may be designed in the form of an air bag that expands according to use.

The belt 400 according to the embodiment of this document may include a signal line connected to the belt module 300 and connected therein. According to an embodiment, the belt 400 may control the contact state between the electrode and the skin through air conditioning.

The electronic device 10 according to an embodiment of the present document includes a micro-current injection circuit in the belt 400, and after the micro-current (I) is injected through the measuring electrode in the micro-current injection circuit, the belt 400 is inserted into the human body. By measuring the resistance (R) depending on whether it is normally attached or not, it is possible to check whether it is in contact (using the V = IR formula).

The electronic device 10 according to another embodiment of the present document may determine whether the belt 400 has contacted the human body by using the measured value by the impedance measuring circuit 120 . The impedance value may change when the measurement electrode and the skin are in a non-contact state or in an abnormal contact.

The electronic device 10 according to the embodiment of the present document may include a belt using a stretchable material, and may be implemented such that the conductive electrode is disposed outside the belt in contact with the skin. The electronic device 10 according to the embodiment of this document may connect a signal line (or wire) between the measuring unit and the conductive electrode regardless of a change in the length of the belt, and may arrange the belt and the measuring circuit at a close distance.

The external electronic device 20 according to the embodiment of this document may be a device of various types. The external electronic device 20 may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The external electronic device 20 according to the embodiment of this document is not limited to the above-described devices.

The external electronic device 20 according to the embodiment of this document may communicate with the electronic device 10 wirelessly or by wire, and may communicate with the electronic device 10 through an application executed in the external electronic device 20 . It is possible to check whether the user's skin and the user's skin are properly attached to the user's guide and the electronic device 10 .

When the user detects that the air bag-type electrode made of conductive silicone of the electronic device 10 is not attached to the user's skin through an application executed on the external electronic device 20, the user controls the electronic device 10 to Adhesion between the electrode and the skin can be induced through injection.

When sleep apnea is detected through an application running on the external electronic device 20, the user injects air into the air mat in the belt of the electronic device 10 to induce a change in the user's posture to prevent sleep apnea. have.

Referring to FIG. 2 , the electronic device 10 according to an embodiment of the present document may include a main module 100 , a cable 200 , and a belt module 300 .

The main module 100 according to an embodiment of the present document includes a central processing unit (CPU) 111, a field programmable gate array (FPGA) module 121, an embedded multimedia card (eMMC, 141), a DC-DC/BMS ( At least one of a battery management system) 151 , a battery 152 , a switching mode power supply (SMPS) 153 , a Bluetooth module 161 , a universal serial bus (USB) 162 , and a real time clock (RTC) 190 ). may include.

The CPU 111 according to an embodiment of the present document controls operations of components included in the electronic device 10 , the FPGA module 121 controls an impedance measuring circuit, and the eMMC 141 controls the electronic device 10 . ) to save my data.

The DC-DC/BMS 151 according to an embodiment of this document is connected to the SMPS 153 and may control the power of the battery 152 . The SMPS 153 according to an embodiment of this document is a power supply device by a switching operation, and the SMPS 153 may receive power from an external power supply device through a wire.

The Bluetooth module 161 according to an embodiment of this document may wirelessly transmit and receive data (or information) to and from an external electronic device, and the USB 162 according to an embodiment of the present document provides wired data to and from an external electronic device. It may transmit/receive or charge the electronic device 10 .

The RTC 190 may generate a real-time clock to drive the RT OS to control the electronic device 10 to operate in real time.

The main module 100 according to an embodiment of this document may be electrically connected to the belt module 300 through the cable 200 .

The belt module 300 according to an embodiment of this document may include at least one of a plurality of electrode channels 310 , a microphone 320 , and an acceleration sensor 330 .

A plurality of electrodes may be coupled to the plurality of electrode channels 310 according to the exemplary embodiment of this document. The plurality of electrodes according to the embodiment of this document may be implemented as a plurality of measuring electrodes made of conductive silicon material attached to the user's skin. The plurality of electrodes according to the embodiment of this document may be formed of a combination of silicon, carbon, and graphene. The plurality of electrodes according to another embodiment of the present document may be composed of a combination of at least one of silicon, carbon, graphene, powder, and particles.

The microphone 320 according to an embodiment of this document measures a user's sound (eg, snoring), and the acceleration sensor 330 according to an embodiment of this document may be implemented as a 6-axis sensor. And it can measure the rotational acceleration for each axis, so the user's movement (eg, change of posture during sleep) can be accurately measured.

Referring to FIG. 3A , the main module 100 according to the embodiment of this document may include a status check LED 131 , a power switch/operation switch 191 , and a cradle 192 .

The LED 131 for checking the status according to the embodiment of the present document may display a status of whether at least one of the belt module and the belt is normally attached to the user. The power switch/operation switch 191 according to the embodiment of this document may control the power of the main module 100 or control the operation mode.

Referring to FIG. 3B , the belt module 300 according to the embodiment of this document may include a button 340 for releasing the belt fastening and a reference electrode 350 .

The button for releasing the belt fastening according to the embodiment of this document 340 provides a button for releasing the connection between the belt module 300 and the belt 400, and the reference electrode 350 according to the embodiment of this document can reduce the noise of the human body measurement signal by maintaining a common ground with the human body.

Referring to FIG. 3B , the belt 400 according to the embodiment of the present document has a first conductivity measurement electrode set 430-1, a second conductivity measurement electrode set 430-2, and a first surface 410 on the first surface 410 , and A replaceable belt unit 440 may be provided.

The belt 400 according to the embodiment of the present document includes a first belt portion including a first conductivity measurement electrode set 430-1 and a second conductivity measurement electrode set 430-2 on a second surface 420. The belt module 300 may be coupled between the included second belt parts. The belt module 300 is configured in the form of a belt by connecting the first belt part including the first conductive measuring electrode set 430-1 and the second belt part including the second conductive measuring electrode set 430-2. can be contracted to do so.

In FIG. 3C , each of the first conductivity measurement electrode set 430 - 1 and the second conductivity measurement electrode set 430 - 2 consists of four measurement electrodes for convenience of explanation, but the technical spirit of the present invention is limited thereto The number of measuring electrodes constituting the conductive measuring electrode set may be implemented in various numbers according to design specifications.

According to the embodiment of this document, the measuring electrode included in each of the first conductive measuring electrode set 430 - 1 and the second conductive measuring electrode set 430 - 2 may be implemented as an air bag-type electrode made of a conductive silicon material. .

The replaceable belt unit 440 according to the embodiment of this document may be configured in various sizes according to the user's chest circumference, and the replaceable belt unit 440 may be detachable from the rest of the belt unit.

Referring to FIG. 3D , the cable 200 according to the embodiment of this document electrically connects the main module 100 and the belt module 300 to transmit and receive signals between the main module 100 and the belt module 300 . can do.

In the cable 200 according to an embodiment of this document, the connection part is configured in a circular first shape 210 to electrically connect the main module 100 and the belt module 300, or to another embodiment of this document. According to the cable 200 , the connection part is configured in a rectangular second shape 220 to electrically connect the main module 100 and the belt module 300 .

In FIG. 3D, for convenience of explanation, the connection part within the cable 200 is configured in a circular first shape 210 or a rectangular second shape 220, but the technical spirit of the present invention is not limited thereto, and the cable 200 is not limited thereto. It can be implemented in various forms according to the internal connection design specification.

4A is an exemplary diagram illustrating an electronic device according to an embodiment of this document, and FIG. 4B is an exemplary diagram illustrating an electronic device attached to a user according to an embodiment of the present document.

4A and 4B , the electronic device according to the embodiment of this document may include a main module 100 , a cable 200 , a belt module 300 , and a belt 400 . The user wears the belt 400 bound to the belt module 300 , and the user's bio-signals may be measured through measuring electrodes provided in at least one of the belt module 300 and the belt 400 .

5A to 5J are exemplary views illustrating an application executed in an external electronic device according to an embodiment of the present document.

Through an application executed on an external electronic device according to an embodiment of this document, a user may select an electronic device to measure a biosignal, and wirelessly connect and communicate with the selected electronic device. Through the application executed on the external electronic device according to the embodiment of this document, the user checks whether the electronic device is normally attached, receives attachment guide information for normal attachment, checks the user's breathing state, or the electronic device of the detachment guide information can be provided.

Referring to FIG. 5A , the user allows a connection to the electronic device through an application executed in the external electronic device ( 501 ), and referring to FIG. 5B , through the application executed in the external electronic device, the user (measuring a biological signal) To do), an electronic device may be selected ( 503 ).

Referring to FIG. 5C , the user may complete a wireless connection between the external electronic device and the electronic device through an application executed in the external electronic device ( 505 ) and proceed with the next procedure ( 507 ). Referring to FIG. 5D , the user may input user information through an application executed in the external electronic device ( 509 ) and proceed with the following procedure ( 511 ).

Referring to FIG. 5E , a user may be provided with an attachment guide (eg, an attachment video) for the electronic device through an application executed in the external electronic device ( 513 ), a previous procedure ( 515 ) or a next procedure ( 517 ) ) can proceed.

Referring to FIG. 5F , through an application executed in the external electronic device, the user may detect that at least one of the electrodes of the electronic device fails to attach to the user's skin ( 519 ), and proceed to the previous procedure ( 521 ). . Referring to FIG. 5G , through an application executed in the external electronic device, the user may detect that the electrodes of the electronic device are normally attached to the user's skin ( 523 ), and proceed to the previous procedure ( 525 ) or the next procedure ( 527 ).

Referring to FIG. 5H , through an application executed on an external electronic device, the user may check breathing while the electronic device is attached ( 529 ), and may proceed with a previous procedure ( 531 ) or a next procedure ( 533 ). Referring to FIG. 5I , a user may be provided with a detachment guide (eg, a detachment video) for the electronic device through an application executed on the external electronic device ( 535 ), the previous procedure ( 537 ) or the next procedure ( 537 ) ) can proceed. Referring to FIG. 5J , the user may end an application executed in the external electronic device ( 541 ).

The electrode according to the embodiment of this document may be configured as an air bag-type electrode type made of a conductive silicone material. According to an embodiment, electrodes having various shapes such as a square or a circle can be designed. Referring to FIG. 6 , the conductive silicon may be implemented in a rectangular shape 610 or a circular shape 630 .

The air bag-type electrode made of a conductive silicone material according to the embodiment of this document is composed of conductive silicone (610, 630) for signal measurement and air tube connectors (620, 640) for connecting to the air tube implemented in the belt, When air is injected through the

air tube connectors

620 and 640, the size of the air bag-type electrode may be adjusted.

The air bag-type electrode made of conductive silicon according to the embodiment of this document may be composed of a combination of silicon, carbon fiber, and graphene. Silicone provides elasticity or flexibility, and may allow electrodes to be fabricated in the form of thin air pockets. Carbon fiber or graphene may provide 100 times more conductivity than copper, making it possible to fabricate a conductive electrode.

Referring to FIG. 7 , the air bag-type electrode made of conductive silicone according to the embodiment of the present document includes

conductive silicone

710 or 760 and an air tube connector 720 , and a belt 740 according to an embodiment of the present document. Alternatively, the 750 may include an air tube 730 connected to the air tube connector 720 .

When the air tube connector 720 and the air tube 730 are connected, an air bag-type electrode made of conductive silicone is connected to the

belt

740 or 750, and when air is injected through the

air tube connector

620, 640, conductive silicone The size of (710 or 760) can be increased.

Referring to FIG. 8A , the belt 400 according to an embodiment of the present document includes a reference electrode 810 in the center, and a plurality of measurement electrodes 820 to 890 on both sides of the reference electrode 810 . can be provided

Referring to FIG. 8B , the belt 400 according to an embodiment of the present document includes a reference electrode 811 at the right end, and a plurality of measurement electrodes 820 to 890 to the left of the reference electrode 810 . can do.

In the case of a reference electrode for improving measurement accuracy, it may be located on the belt together with the measurement electrode or may be located separately as a separate module. When the reference electrode is positioned separately from the measurement electrode as a separate module, the reference electrode may be configured as a disposable electrode.

Referring to FIG. 9 , non-contact may occur between the user's skin 910 and the air bag-type electrode 920 before air is injected into the air bag-type electrode 920 provided in the belt 930 according to the embodiment of the present document. have.

After air is injected into the air bag-type electrode 920 provided in the belt 930 according to the embodiment of this document, the user's skin 910 and the air bag-type electrode 920 may be in close contact normally.

Referring to FIG. 10 , the electronic device according to an embodiment of the present document controls the pressure of the air bag-type electrode when the air bag-type electrode does not contact a part of the user's body when the user with the electronic device attached to the body is sleeping. The pocket-shaped electrode may be induced to come into contact with a part of the user's body.

The electronic device according to an embodiment of the present document may detect that the measurement of the user's respiration signal is poor when abnormal contact between the air bag-type electrode and the user's body part occurs due to a change in the user's sleeping posture.

The electronic device according to an embodiment of the present document may control air to be injected into an air bag-type electrode that is in abnormal contact with a part of the user's body. When the pressure of the abnormal contact air bag-type electrode is changed after air injection, the air bag-type electrode and the user's body are in close contact normally, and the electronic device according to an embodiment of the present document may normally measure the user's respiration signal.

11A to 11C are exemplary views illustrating a state of inducing a change in a user's posture by adjusting the pressure of the air bag-type electrode according to an embodiment of the present document.

Referring to FIG. 11A , the user 1110 attaches the belt 1130 according to the embodiment of this document to the body, and uses a plurality of air bag-type electrodes 1120 provided in the belt 1130 to the user 1110 . ) can be measured. An appropriate air pressure may be maintained in the plurality of air bag-type electrodes 1120 so that the plurality of air bag-type electrodes 1120 and the skin of the user 1110 are in close contact with the belt 1130 at the initial stage of wearing.

Referring to FIG. 11B , when the user 1110 lies on the bed 1140 , the pressure of the plurality of air bag-type electrodes 1120 may be changed according to the position where the user 1110 lies. For example, the size of the air bag-type electrode in close contact with the bed 1140 may be reduced. The electronic device according to the embodiment of the present document may detect a change in pressure of each of the plurality of air bag-type electrodes 1120 to determine whether sleep apnea has occurred in the user 1110 .

Referring to FIG. 11C , when sleep apnea occurs, the electronic device according to an embodiment of the present document may induce a change in the posture of the user 1110 by adjusting the air pressure of the plurality of bag-type electrodes 1120 . For example, the electronic device may induce a change in the posture of the user 1110 by maximizing the air pressure in the air bag-type electrode in close contact with the bed 1140 .

In step 1210, the main module included in the electronic device according to the embodiment of the present document is included in the electronic device, is made of conductive silicon, and controls each of the plurality of electrodes that can be expanded or contracted by air. A control signal can be generated. The main module may transmit the first control signal to a belt (or belt module) including each of the plurality of electrodes.

In operation 1220, the main module according to an embodiment of the present document may determine whether each of the plurality of electrodes whose size is changed is normally attached to the user's body based on the first control signal.

If it is determined in step 1220 that each of the plurality of electrodes is normally attached to the user's body, the main module according to the embodiment of the present document may measure the biosignal provided from each of the plurality of electrodes in step 1230 . In operation 1240, the main module according to the embodiment of this document may estimate the user's body state based on the biosignal.

If it is determined in step 1220 that each of the plurality of electrodes is not normally attached to the user's body, in step 1250, the main module according to the embodiment of the present document expands or contracts each of the plurality of electrodes by air to the A second control signal for controlling to be normally attached to the user's body may be generated, and the second control signal may be transmitted to a belt (or a belt module) including each of the plurality of electrodes.

When each of the plurality of electrodes is normally attached to the user's body based on the second control signal in step 1260, the main module according to the embodiment of the present document receives the biosignal provided from each of the plurality of electrodes. can be measured Thereafter, in operation 1240 , the main module according to an embodiment of the present document may estimate the user's body state based on the biosignal.

A plurality of electrodes according to an embodiment of this document may be made of silicon, carbon, and graphene, and each of the plurality of electrodes comprises conductive silicon configured to measure at least one signal from the plurality of electrodes; It may include a connector connected to the air tube in the belt.

The main module according to the embodiment of this document may maintain a common ground with the human body and reduce noise of a measurement signal by using the reference electrode included in the electronic device.

The main module according to the embodiment of this document may control air injection or exhaust to each of the plurality of electrodes by using a pump and a valve included in the electronic device.

The main module according to an embodiment of the present document performs an operation of adjusting the air pressure of some of the plurality of electrodes in order to induce a change in the user's posture when the user's posture change is required based on the user's body state can be controlled.

The main module according to an embodiment of the present document may control to provide contact information for each attachment position of each of the plurality of electrodes to an external electronic device.

The electronic device according to various embodiments disclosed in this document may have various types of devices. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, a skin analysis device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of this document and terms used therein are not intended to limit the technical features described in the present disclosure to specific embodiments, and should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. In this disclosure, "A or B", "at least one of A and B", "at least one of A or B," "A, B or C," "at least one of A, B and C," and "A , B, or C," each of which may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as "first", "second", or "first" or "second" may simply be used to distinguish an element from other elements in question, and may refer elements to other aspects (e.g., importance or order) is not limited. that one (eg, first) component is "coupled" or "connected" to another (eg, second) component with or without the terms "functionally" or "communicatively" When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term “module” used in the present disclosure may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as, for example, logic, logic block, component, or circuit. A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document may be implemented as software including one or more instructions stored in a storage medium readable by a machine (eg, the electronic device 101). For example, the processor (eg, the processor 110 ) of the device (eg, the electronic device 101 ) may call at least one of one or more instructions stored from a storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, "non-transitory" only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

According to an embodiment of the present document, the methods according to various embodiments disclosed in this document may be provided by being included in a computer program product. Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or via an application store (eg Play Store ^TM ) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly or online between smartphones (eg: smartphones). In the case of online distribution, at least a part of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.

According to an embodiment of this document, each component (eg, a module or a program) of the above-described components may include a singular or a plurality of entities. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. or one or more other operations may be added.

Claims

In an electronic device,

main module;

a belt module electrically connected to the main module, including a button for releasing the belt fastening on a first surface and a reference electrode on a second surface;

a belt electrically connected to the belt module, made of conductive silicone on the second surface, and including a plurality of electrodes that can be expanded or contracted by air; and

and a cable connecting the main module and the belt module,

The main module is

The electronic device of claim 1, wherein each of the plurality of electrodes included in the belt is controlled to expand or contract, and a user's biosignal is measured based on at least one signal measured from the plurality of electrodes.
According to claim 1, wherein the main module,

a processor controlling the plurality of electrodes and determining a physical state of a user who has attached the belt using the at least one signal measured from the plurality of electrodes; and

and an impedance measuring circuit configured to measure an impedance to the user's body to which the plurality of electrodes are attached, based on the at least one signal measured by the plurality of electrodes.
According to claim 2, wherein the main module,

a display providing the determined physical state of the user;

a transceiver for communicating with an external electronic device; and

The electronic device of claim 1, further comprising: a pump and a valve for injecting or exhausting air to each of the plurality of electrodes.
According to claim 1, wherein the belt module,

a microphone for measuring the user's biological sound; and

The electronic device of claim 1, further comprising an acceleration sensor that measures the user's movement.
The electronic device of claim 1, wherein the plurality of electrodes are made of silicon, carbon, and graphene.
According to claim 1, wherein the main module,

Transmitting a first control signal for controlling each of the plurality of electrodes to the belt module,

and determining whether each of the plurality of electrodes whose size is changed based on the first control signal is normally attached to the user's body.
The method of claim 6, wherein the main module,

As a result of the determination, when each of the plurality of electrodes is normally attached to the user's body based on the first control signal, a biosignal provided from each of the plurality of electrodes is measured;

The electronic device of claim 1, wherein the user's physical state is estimated based on the biosignal.
The method of claim 6, wherein the main module,

As a result of the determination, when each of the plurality of electrodes is not normally attached to the user's body based on the first control signal, a second control signal for controlling each of the plurality of electrodes to be normally attached to the user's body to the belt module,

When each of the plurality of electrodes is normally attached to the user's body based on the second control signal, measuring a biosignal provided from each of the plurality of electrodes,

The electronic device of claim 1, wherein the user's physical state is estimated based on the biosignal.
According to claim 1, wherein the main module,

and providing contact information for each attachment position of each of the plurality of electrodes to an external electronic device.
The electronic device of claim 1, wherein the cable is configured as a co-axial cable or a tri-axial cable to block external noise.
According to claim 1, wherein each of the plurality of electrodes,

conductive silicon configured to measure the at least one signal at the plurality of electrodes; and

and a connector connected to the air tube in the belt.
According to claim 1,

the belt module includes a snap connector for attaching the reference electrode;

and the reference electrode is for reducing noise of a measurement signal by maintaining a common ground with a human body.
A method of controlling an electronic device, comprising:

transmitting a first control signal for controlling each of a plurality of electrodes included in the electronic device, made of conductive silicon, and capable of being expanded or contracted by air;

determining whether each of the plurality of electrodes whose size is changed based on the first control signal is normally attached to the user's body;

When each of the plurality of electrodes is normally attached to the user's body based on the first control signal as a result of the determination, measuring a biosignal provided from each of the plurality of electrodes;

and estimating the user's physical state based on the biosignal.
14. The method of claim 13,

As a result of the determination, when each of the plurality of electrodes is not normally attached to the user's body based on the first control signal, each of the plurality of electrodes is expanded or contracted by air and is normally attached to the user's body an operation of transmitting a second control signal to be controlled so as to be

measuring a biosignal provided from each of the plurality of electrodes when each of the plurality of electrodes is normally attached to the body of the user based on the second control signal;

and estimating the user's physical state based on the biosignal.
14. The method of claim 13,

When the user's posture change is required based on the user's physical state, the method further comprising: adjusting the air pressure of some of the plurality of electrodes to induce the user's posture change.