Bio-signal measurement device

Abstract

Disclosed is a bio-signal measurement device. The bio-signal measurement device according to an embodiment of the present disclosure may include: a patch including a plurality of areas each including an electrode for obtaining a bio-signal from an examinee having the bio-signal measurement device attached thereto; and a main body including modules disposed on two or more reference areas among the plurality of areas and electrically connected to one or more of a plurality of electrodes included in the patch, wherein the modules are connected by a bridge and arranged to be spaced apart from each other by a predetermined distance or more, and the plurality of electrodes includes a first electrode for obtaining a reference signal for the bio-signal and one or more second electrodes for obtaining one or more channel signals for the bio-signal.

Description

biosignal measuring device

[0001] The present invention relates to a biosignal measuring device, and more specifically, a biosignal measuring device capable of acquiring more channel signals according to a patch attached to the lower part of a main body is disclosed.

[0002] Sleep is known to have a significant impact on human health and quality of life. Not only the quantity but also the quality of sleep is important. Sleep quality is influenced by the ability to fall asleep (sleep onset), sleep well, and wake up well (sleep emergence). Sleep quality can be monitored using brain waves, as measured by an electroencephalogram (EEG), and body movements during sleep can be monitored using activity sensors. Sleep disorders such as snoring and sleep apnea can be monitored using microphones that listen for snoring and sensors that measure blood oxygen saturation (SpO2).

[0003] Previous electroencephalogram (EEG) measurements primarily involved attaching multiple electrodes to the human head, such as the forehead, to measure potential differences and identify electrical signal waveforms. Due to the difficulty of wearing these devices and their mechanical complexity, they were primarily implemented in the professional medical device sector rather than the healthcare sector. While wearable devices, designed to be worn by users themselves, have been introduced in some healthcare settings, they have been limited by structural complexity and inefficient electrode placement.

[0004] The present disclosure relates to a biosignal measuring device capable of controlling the number of channel signals received by a main body by replacing only a patch attached to the lower part of the main body.

[0005] The present disclosure relates to a biosignal measuring device in which the patch is discarded upon completion of measurement of the biosignal, while the main body can be reused.

[0006] The present disclosure relates to a biosignal measuring device that measures a biosignal using phase difference information on the biosignal.

[0007] A biosignal measuring device according to one embodiment of the present disclosure includes a patch comprising a plurality of regions each including an electrode for obtaining a biosignal from a subject to whom the biosignal measuring device is attached, and a main body including modules respectively disposed on two or more reference regions among the plurality of regions and electrically connected to one or more of the plurality of electrodes included in the patch, wherein the modules are connected by a bridge and disposed to be spaced apart from each other by a predetermined distance, and the plurality of electrodes may include a first electrode for obtaining a reference signal for the biosignal and one or more second electrodes for obtaining one or more channel signals for the biosignal.

[0008] An electrode included in each of the remaining regions, excluding the two or more reference regions among the plurality of regions, is electrically connected to one of the two or more reference regions, so that a biosignal obtained from the electrode can be transmitted to one of the two or more reference regions.

[0009] A module positioned on any one of the two or more reference areas can receive a biosignal obtained from an electrode included in any one of the two or more reference areas, and a biosignal obtained from an electrode included in each of the remaining areas electrically connected to any one of the two or more reference areas.

[0010] An electrode included in any one of the two or more reference regions, and an electrode included in each of the remaining regions electrically connected to any one of the two or more reference regions, may be electrically insulated.

[0011] The first electrode may be selected from among the plurality of electrodes as having less influence on the subject being measured.

[0012] The above plurality of electrodes may further include a ground electrode that serves as a ground for the first electrode and the second electrode.

[0013] The above bio-signal may include one or more of an electroencephalogram (EEG), an electromyography (EMG), and an electrooculography (EOG) signal for the subject.

[0014] Noise included in the above EEG signal can be removed based on the above EMG signal and / or the above safety signal.

[0015] The above bridge has relatively high elasticity compared to the above modules, and can bend along the curve of the body part of the subject to which the biosignal measuring device is attached when the device is attached to the subject.

[0016] The number of channel signals received by the main body can be determined based on the number of the plurality of regions.

[0017] The above patch is a disposable element that is discarded when separated from the subject after measurement of the biosignal is completed, and the main body may be a multi-use element that can be attached to multiple patches.

[0018] Phase difference information for the biosignal can be determined based on the one or more channel signals obtained from the one or more second electrodes.

[0019] One of the above modules includes a sensor for measuring blood oxygen saturation (SpO2) from the subject, and the reference area in which the module including the sensor is placed may include a hole at a position corresponding to the sensor so that the sensor can measure the blood oxygen saturation.

[0020] A biosignal measuring device according to one embodiment of the present disclosure includes a patch comprising a plurality of regions each including an electrode that directly contacts a subject to obtain a biosignal from the subject, and a main body including modules that are respectively arranged on some of the plurality of regions, wherein the modules may include a first module that is arranged on a region including a first channel electrode included in the patch and is electrically connected to the first channel electrode, a second module that is electrically connected to a ground electrode and a second channel electrode included in the patch and is arranged on a region including the ground electrode, and a third module that is arranged on a region including a reference electrode included in the patch and is electrically connected to the reference electrode.

[0021] According to one embodiment of the present disclosure, a biosignal measuring device is provided in which the number of channel signals received by a main body can be adjusted by replacing a patch.

[0022] According to one embodiment of the present disclosure, a biosignal measuring device is provided in which the patch is discarded once the measurement of the biosignal is completed, while the main body is reusable.

[0023] According to one embodiment of the present disclosure, a biosignal measuring device provides biosignal measurement using phase difference information for a biosignal.

[0024] Referring to FIG. 1, a schematic diagram of a biosignal measuring device according to one embodiment of the present disclosure is shown.

[0025] Referring to FIGS. 2 and 3, a main body of a biosignal measuring device according to one embodiment of the present disclosure is illustrated.

[0026] Referring to FIGS. 4 and 5, a patch of a biosignal measuring device according to one embodiment of the present disclosure is illustrated.

[0027] Referring to FIGS. 6 to 8, drawings are provided to explain a combined biosignal measuring device of a main body and a patch according to various embodiments of the present disclosure.

[0028] Referring to FIG. 9, a drawing is shown to explain a guide that facilitates the combination of a main body and a patch according to one embodiment of the present disclosure.

[0029] Referring to FIG. 10, a drawing is shown to explain the appearance of wearing a biosignal measuring device according to one embodiment of the present disclosure.

[0030] Referring to FIG. 11, a biosignal measuring device for receiving two-channel biosignals according to one embodiment of the present disclosure is illustrated.

[0031] Referring to FIG. 12, a drawing is shown to explain the electrical connection of electrodes and modules according to various embodiments of the present disclosure.

[0032] Referring to FIG. 13, a drawing is shown for explaining the lower part of the main body according to various embodiments of the present disclosure.

[0033] Referring to FIGS. 14 to 16, drawings are shown for explaining patches according to various embodiments of the present disclosure.

[0034] FIG. 17 is a drawing illustrating a state of wearing a biosignal measuring device according to one embodiment of the present disclosure.

[0035] FIG. 18 is a drawing illustrating a guide that facilitates the combination of a main body and a patch according to one embodiment of the present disclosure.

[0036] Specific structural or functional descriptions of the embodiments are disclosed for illustrative purposes only and may be modified and implemented in various forms. Accordingly, the embodiments are not limited to the specific disclosed form, and the scope of this specification includes modifications, equivalents, or alternatives that fall within the technical concept.

[0037] Although terms such as "first" or "second" may be used to describe various components, these terms should be interpreted solely to distinguish one component from another. For example, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component.

[0038] When it is said that a component is "connected" to another component, it should be understood that it may be directly connected or connected to that other component, but there may also be other components in between.

[0039] Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "has" should be understood to indicate the presence of a described feature, number, step, operation, component, part, or combination thereof, but not to exclude the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

[0040] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the art. Terms defined in commonly used dictionaries should be interpreted to have a meaning consistent with their meaning in the context of the relevant technology, and will not be interpreted in an idealized or overly formal sense unless explicitly defined herein.

[0041] Hereinafter, embodiments will be described in detail with reference to the attached drawings. The specific structural and functional descriptions below are provided solely for the purpose of illustrating the embodiments and should not be construed as limiting the scope of the embodiments to the contents described herein. Those skilled in the art will appreciate that various modifications and variations can be made based on these descriptions. Furthermore, the same reference numerals in each drawing represent the same elements, and well-known functions and structures are omitted.

[0042]

[0043] Referring to FIG. 1, a schematic diagram of a biosignal measuring device according to one embodiment of the present disclosure is shown.

[0044] Referring to FIG. 1, a biosignal measuring device (100) including a main body (110) and a patch (120) is illustrated. The biosignal measuring device (100) may be a device that measures an electroencephalogram (EEG) signal of a subject.

[0045] The biosignal measuring device (100) illustrated in FIG. 1 only illustrates components related to embodiments of the present disclosure. Therefore, it is apparent to those skilled in the art that the biosignal measuring device (100) may further include other general-purpose components in addition to the components illustrated therein.

[0046] The main body (110) may include a plurality of terminals (111), a processor (113), and a memory (115).

[0047] The lower part of the main body (110) can be attached to the upper part of the patch (120). When the main body (110) is attached to the patch (120), it can be electrically connected to the patch (120) through a plurality of terminals (111). The main body (110) can be electrically connected to a plurality of electrodes (121) of the patch (120) through the plurality of terminals (111). Specifically, the main body (110) can be directly electrically connected to the plurality of electrodes (121) of the patch through the plurality of terminals (111), and the main body (110) can be electrically connected to the plurality of terminals (111) through conductive patterns (123) connected to the plurality of terminals (111). In other words, the plurality of terminals (111) can be electrically connected to the plurality of electrodes (121) directly and / or through the conductive patterns (123). The main body (110) can receive signals obtained from the subject by the plurality of electrodes (121) through the plurality of terminals (111) that are electrically connected to the plurality of electrodes (121).

[0048] The processor (113) can control the biosignal measuring device (100) as a whole and perform calculations. For example, the processor (113) can convert the received channel signal into a digital signal. The processor (113) can perform filtering on the received channel signal using a filter designed in software. However, according to one embodiment, although not disclosed in FIG. 1, a hardware-designed filter may also perform filtering on the channel signal. The processor (113) may be a general-purpose processor such as a central processing unit (CPU) and an auxiliary processing unit, as well as dedicated hardware in the form of a system-on-chip (SoC). An application processing unit (APU) used in wearable devices such as smartphones or smart watches may also be used. In the case of such a general-purpose processor, the operations described below can be performed by firmware, an operating system (OS), and application software (APP), and the application software can be installed using the memory (115). These contents are similar to the configuration and operation of conventional electronic devices, and may be similar to the implementation of electronic devices such as wearable devices known to those skilled in the art.

[0049] The memory (115) may be hardware that stores signals processed and signals to be processed within the biosignal measuring device (100). In addition, the memory (115) may store applications, drivers, etc. to be driven by the biosignal measuring device (100). The memory (115) may include volatile memory such as dynamic random access memory (DRAM) and / or nonvolatile memory.

[0050] The lower part of the patch (120) may be attached to the subject, and the upper part of the patch (120) may be attached to the main body (110). Accordingly, the main body (110) may be attached to the subject via the patch (120). The patch (120) may include a plurality of regions for acquiring a biosignal from the subject to whom the biosignal measuring device (100) is attached. Each of the plurality of regions may include an electrode. The plurality of regions may include two or more reference regions in which the main body (110) is placed. The main body (110) may be placed on the upper part of each of the reference regions.

[0051] The number of the plurality of electrodes (121) may be equal to or less than the number of the plurality of terminals (111). Therefore, depending on the number of the plurality of electrodes (121), the plurality of terminals (111) may not be connected one-to-one with the plurality of electrodes (121). For example, when the number of the plurality of electrodes (121) is four and the number of the plurality of terminals (111) is six, two of the terminals may not be connected to the electrodes of the patch (120).

[0052] In other words, the number of the plurality of electrodes (121) cannot exceed the number of the plurality of terminals (111), and as the number of the plurality of electrodes (121) increases, the main body (110) can receive more signals through the plurality of terminals (111).

[0053] The plurality of electrodes (121) may include a first electrode that obtains a reference signal for a biosignal. Specifically, the reference signal may be any one of the biosignals received from the plurality of electrodes (121). The reference signal may be used as a reference for analysis and interpretation of the remaining biosignals excluding the reference signal among the biosignals received from the plurality of electrodes (121). In other words, the reference signal may be used as a reference for identifying a change in the biosignal by comparing it with one or more channel signals obtained from the second electrode. Accordingly, the first electrode that obtains the reference signal may be selected as the one that is least influenced by the measurement target of the subject among the plurality of electrodes (121).

[0054] The plurality of electrodes (121) may include one or more second electrodes that acquire one or more channel signals for a biosignal. Specifically, the channel signals may be signals other than a reference signal among the biosignals received from the plurality of electrodes (121). The plurality of electrodes (121) may include a ground electrode that serves as a ground for the first electrode and the second electrode.

[0055] The first electrode and ground electrode for obtaining a reference signal may be essential in measuring biosignals.

[0056] Accordingly, among the plurality of electrodes (121), the remaining electrodes excluding the first electrode and the ground electrode can obtain channel signals from the subject. In other words, the number of channel signals obtained by the plurality of electrodes (121) may be the number of the plurality of electrodes (121) minus the first electrode and the ground electrode. For example, when the number of the plurality of electrodes (121) is four, only the remaining two electrodes excluding the first electrode and the ground electrode can obtain channel signals. That is, in this case, the biosignal measuring device (100) can receive biosignals of two channels.

[0057] As will be described later, depending on the number of multiple regions included in the patch (120), the biosignal measuring device (100) can receive a different number of channel signals. That is, the examiner can measure biosignals from the subject using patches having different numbers of regions depending on the purpose of measuring the biosignals. Accordingly, the patch (120) and the main body (110) can be configured to be detachable. In addition, the patch (120) can be a disposable element that is discarded when separated from the subject after the measurement of the biosignal is completed. On the other hand, the main body (110) can be a reusable element to which patches (120) having different numbers of regions can be attached depending on the purpose of measuring the biosignals. The patch (120) that is directly attached to the subject is discarded after single use, and the main body (110) that is indirectly attached to the subject through the patch (120) is recycled, thereby enabling the biosignal measuring device (100) to measure biosignals from the subject more hygienically and economically.

[0058] The patch (120) may include a conductive pattern (123). The conductive pattern (123) may electrically connect some of the plurality of electrodes (121) to the main body (110). The conductive pattern (123) may not be included in the patch (120) depending on the embodiment, and one or more may be included in the patch (123) depending on the embodiment. The conductive pattern (123) may electrically connect the electrodes of the reference region and the modules of the main body (110) arranged on the reference region. In addition, the conductive pattern (123) may electrically connect the electrodes of the remaining region and the modules of the main body (110) arranged on the reference region connected to the remaining region.

[0059] Below, a biosignal measuring device (100) including the above-described components will be described in more detail.

[0060] In addition, in this document, a biosignal measuring device (100) including a main body (110) including two or more modules and a patch (120) including two or more reference areas will first be described, and then application of the description to a biosignal measuring device including a main body including three modules and a patch including three reference areas according to an embodiment will be described. Therefore, it will be apparent to those skilled in the art that the description of a biosignal measuring device including a main body including three modules and a patch including three reference areas according to an embodiment described below can be extended and applied to a biosignal measuring device (100) including a main body (110) including two or more modules and a patch (120) including two or more reference areas.

[0061]

[0062] Referring to FIGS. 2 and 3, a main body of a biosignal measuring device according to one embodiment of the present disclosure is illustrated.

[0063] Referring to FIG. 2, the upper portion of the main body (200) is illustrated. The main body (200) may include modules that are respectively positioned on two or more reference areas among a plurality of areas of a patch (not shown). In other words, the main body (200) may include two or more modules. Each of the modules may include a main board (not shown), and any of the modules may include a processor (not shown) for processing biosignals. The modules may be electrically connected via a bridge. For example, the modules may be electrically connected via wires within the bridge.

[0064] At this time, the modules may be arranged so that they are connected by bridges and spaced apart by a predetermined distance. If the modules are arranged too close together, each electrode within two or more reference areas where the modules are arranged may be identified as a single electrode. Therefore, the modules may need to be arranged so that each electrode within two or more reference areas is spaced apart by a threshold distance (i.e., a predetermined distance) beyond which each electrode is not identified as a single electrode. For example, the predetermined distance may be 10 mm.

[0065] Since each module is positioned at a predetermined distance apart via a bridge, they can be attached to different body parts of the subject when measuring biosignals. For example, the first module (210) can be attached above the forehead, the second module (220) above the eyebrows, and the third module can be attached to the temple. However, this is merely an example, and the present disclosure is not limited thereto. For example, the location to which the main body (200) is attached may vary depending on whether the main body (200) is attached to the left or right side of the forehead.

[0066] Therefore, to ensure that each module is attached to the correct location, the bridge connecting the modules may be composed of a material with relatively high elasticity compared to the modules themselves. Furthermore, the bridge may be composed of a material that can bend along the curves of the body part of the subject to which the biosignal measurement device is attached. For example, the bridge may be selected from materials such as elastomer, rubber, silicone, or other polymers.

[0067] Below, the upper part of the main body (200) described above will be explained using drawings.

[0068] Referring to FIG. 2, the main body (200) may include a first module (210), a second module (220), and a third module (230). Accordingly, since the main body (200) includes three modules, there may be three reference areas of the patch where the main body (200) is placed. The first module (210) and the second module (220) may be electrically connected through a first bridge (240). The second module (220) may be electrically connected to the third module (230) through a second bridge (250). In other words, each module may be an island-type structure connected through a bridge. The first module (210) and the second module (220) may be placed to be spaced apart from each other by a predetermined distance or more through the first bridge (240). The second module (220) and the third module (230) can be arranged to be spaced apart from each other by a predetermined distance via the second bridge (250).

[0069] In one embodiment, any one of the plurality of modules may include an LED (260). For example, the first module (210) may include an LED (260). The LED (260) may indicate the status of the main body (200) according to a predetermined condition. For example, when the battery of the main body (200) is being charged, the LED (260) may light up in red. For example, when the battery of the main body (200) is fully charged, the LED (260) may light up in green. For example, when the voltage of the battery decreases below a threshold value, the LED (260) may blink. However, this is merely an example and the present disclosure is not limited thereto.

[0070] Referring to FIG. 3, the lower portion of the main body (200) is illustrated. Each of the modules may include one or more terminals at the lower portion. Each of the modules may be electrically connected to one or more of the electrodes of the patch via one or more electrodes.

[0071] Specifically, each module may be connected to an electrode of a reference area positioned below the module via one or more terminals. Furthermore, if a module includes two or more terminals, the module may be connected to electrodes of regions other than the reference areas among the plurality of regions via the remaining terminals, excluding the terminals connected to the electrodes of the reference area.

[0072] Accordingly, each of the modules can receive biosignals from one or more electrodes electrically connected through one or more terminals.

[0073] Below, the lower part of the main body (200) described above will be explained using drawings.

[0074] Referring to FIG. 3, the first module (210) may include a first terminal (311) at the bottom. The second module (220) may include a second terminal (313), a third terminal (315), a fourth terminal (317), and a fifth terminal (319). The third module (230) may include a sixth terminal (321). The first module (210) may be connected to a first channel electrode of a reference region disposed at the bottom of the first module (210) via the first terminal (311). The second module (220) may be electrically connected to a ground electrode and a second channel electrode included in a patch (e.g., a patch (400) of FIG. 4) via the terminals, and may be disposed on a reference region including the ground electrode. The third module (330) may be connected to an electrode of a reference region disposed at the bottom of the third module (230) via the sixth terminal (321). In particular, since the second module (220) includes one or more terminals, it can be connected to electrodes of the remaining regions excluding the reference regions among the plurality of regions through the remaining terminals, excluding the terminals connected to the electrodes of the reference region arranged at the bottom of the second module (220) among the second terminal (313), the third terminal (315), the fourth terminal (317), and the fifth terminal (319).

[0075] Below, the patch placed at the bottom of the main body (200) described above will be described.

[0076]

[0077] Referring to FIGS. 4 and 5, a patch of a biosignal measuring device according to one embodiment of the present disclosure is illustrated.

[0078] Referring to FIG. 4, the upper portion of the patch (400) is shown.

[0079] The upper portion of the patch (400) may be the surface to which the main body is attached. Since the patch (400) must also be attached to the body of the subject, it may be composed of a material that can flexibly bend according to the curvature of the body. For example, the patch (400) may be selected from materials such as polyethylene terephtalate (PET), rubber, silicone, or other polymers.

[0080] The patch (400) may be composed of a plurality of regions, each including an electrode for acquiring a biosignal from a subject to whom a biosignal measuring device is attached. That is, each of the plurality of regions may include an electrode. Accordingly, the patch (400) may include electrodes corresponding to the number of the plurality of regions. For example, if the number of the plurality of regions is four, each of the regions may include an electrode, and thus the patch (400) may include four electrodes. The electrodes may be composed of a conductive material such as a hydrogel or a metal.

[0081] Among the plurality of regions, the regions on which the modules of the main body are arranged when attached to the subject can be referred to as reference regions. Accordingly, since the modules of the main body are arranged on two or more reference regions, there may be two or more reference regions. The reference regions can be attached to the modules of the main body by various methods, such as an adhesive surface, a bonding structure, and / or a magnet. An electrode included in each of the remaining regions excluding the reference regions among the plurality of regions can be electrically connected to any one of the two or more reference regions. The remaining regions can be electrically connected to any one of the two or more reference regions through a conductive pattern included in the film. Accordingly, a biosignal acquired from an electrode included in each of the remaining regions can be transmitted to any one of the two or more electrically connected reference regions.

[0082] In other words, a module of a main body positioned on any one of two or more reference areas can receive not only a biosignal obtained from an electrode included in any one of the two or more reference areas (i.e., a reference area positioned below the module) but also a biosignal obtained from an electrode included in each of the remaining areas connected to any one of the two or more reference areas (i.e., a reference area positioned below the module).

[0083] At this time, the electrode included in one of the two or more reference areas (i.e., the reference area disposed at the bottom of the module) and the electrode included in each of the remaining areas electrically connected to one of the two or more reference areas (i.e., the reference area disposed at the bottom of the module) may be electrically insulated. That is, the electrode of the reference area and the electrode included in each of the remaining areas connected to the reference area may be electrically insulated. This is because, if they are not insulated, a desired signal may not be received due to a short circuit. However, if one of the electrode of the reference area and the electrode included in each of the remaining areas connected to the reference area is a ground electrode, the ground electrode and the other electrodes may not be electrically insulated.

[0084] The plurality of electrodes included in the patch (400) may include a first electrode that obtains a reference signal for a biosignal. In addition, the plurality of electrodes included in the patch (400) may include second electrodes that obtain one or more channel signals for the biosignal. In addition, the plurality of electrodes included in the patch (400) may include a ground electrode that provides a ground for the first electrode and the second electrodes.

[0085] Since the reference signal can be used as a standard for identifying changes in biosignals as described above in FIG. 1, the first electrode may be selected from among the plurality of electrodes as having the least influence from the measurement subject. In other words, the reference signal may need to be measured at a point unrelated to the measurement subject. Accordingly, since the biosignal measurement device is a device for measuring the electroencephalogram (EEG) signal of the subject, an electrode placed at a point unrelated to the brain activity of the subject may be selected as the first electrode for obtaining the reference signal. In other words, among the plurality of electrodes, the electrode placed at the farthest point from the measurement subject may be selected as the first electrode. For example, an electrode placed on the earlobe may be selected as the first electrode.

[0086] The first electrode is least influenced by the subject's measurement target (i.e., the brain), but like the second electrodes, it can be influenced by other signals (e.g., electromyography (EMG) and / or electrooculography (EOG) signals).

[0087] In addition, since the biosignal measuring device of the present disclosure can be freely attached anywhere on the body of the subject, no arbitrary electrode is fixed as the first electrode.

[0088] The ground electrode may be used to remove noise from channel signals acquired from the second electrodes. The closer the ground electrode is positioned to the second electrodes, the better it can remove noise from the channel signals. Therefore, an electrode positioned closer to the second electrodes may be selected as the ground electrode. However, the ground electrode is not limited to the above-described electrode and may be selected for various purposes.

[0089] Hereinafter, the upper part of the above-described patch (400) will be described using drawings. Referring to FIG. 4, the patch (400) may be placed below the main body (200) illustrated in FIGS. 2 and 3 when measuring a biosignal. Accordingly, modules of the main body may be placed in each of the first reference area (410), the second reference area (420), and the third reference area (430) among the plurality of areas. In other words, the remaining areas (440) excluding the reference areas among the plurality of areas may not have modules of the main body placed on the upper part.

[0090] Each region may include an electrode. Accordingly, the first reference region (410) may include an electrode (411). The second reference region (420) may include an electrode (421). The third reference region (430) may include an electrode (431). The remaining region (440) may include an electrode (441). The electrode (441) of the remaining region (440) may be electrically connected to any one of the reference regions through a conductive pattern included in the film (450). Accordingly, the electrode (441) may be electrically connected to the second reference region (420). The conductive pattern included in the film (450) may be arranged on the upper portion of the electrode (441) to electrically connect the electrode (441) to the second reference region (420). For example, the conductive pattern may be formed to extend from the electrode (411) toward the second reference region (420). Accordingly, the electrode (441) can be electrically connected to the second reference area (420) through the conductive pattern. The conductive pattern may include a conductive material such as silver paste, but the embodiment is not limited thereto.

[0091] The biosignal acquired from the electrode (441) can be transmitted to the second reference region (420) to which it is electrically connected. Therefore, the module of the main body (e.g., the second module (220) of FIGS. 2 and 3) placed on the second reference region (420) can receive not only the biosignal acquired from the electrode (421) of the second reference region (420) but also the biosignal acquired from the electrode (441) of the remaining region (440) connected to the second reference region (420). At this time, the electrode (421) of the second reference region (420) and the electrode (441) of the remaining region (440) that are electrically connected can be electrically insulated. When the electrode (421) is a ground electrode, the electrode (421) may not be electrically insulated from the electrode (441).

[0092] An electrode (431) positioned at a location spaced apart from other electrodes in the patch (400) may be selected as the first electrode for acquiring a reference signal. When other electrodes acquire channel signals from a measurement target of the subject, the electrode (431) may be positioned at a location spaced apart from the other electrodes so as to be less affected by the measurement target.

[0093] Additionally, in the patch (400), the remaining electrodes, excluding the first electrode (431) among the plurality of electrodes, may include ground electrodes. For example, the electrode (421) may be selected as the ground electrode. Accordingly, the electrodes (411) and (441) may be determined as second electrodes that acquire channel signals.

[0094] Referring to FIG. 5, the lower part of the patch (400) is shown.

[0095] The lower portion of the patch (400) may be a surface that is attached to the skin of the subject. The plurality of regions may include an attachment surface at a portion that is attached to the skin of the subject. The attachment surface may include an adhesive material that prevents the patch (400) from being detached from the skin of the subject. Each of the plurality of regions may include a plurality of electrodes that contact the skin of the subject when the lower portion of the patch (400) is attached to the skin of the subject. The plurality of electrodes may be composed of a conductive material such as a hydrogel or a metal as described above, but various conductive materials may be applied without limitation. Furthermore, according to one embodiment, a conductive pattern may be an electrode.

[0096] The upper surface of the electrode, which does not contact the subject's skin, may be electrically connected to the module or to a conductive pattern. Methods for electrically connecting the electrode to the module or conductive pattern are further described in Fig. 12.

[0097] Hereinafter, the lower portion of the patch (400) will be described using drawings. Referring to FIG. 5, the first reference area (410) may include an attachment surface (511) that is attached to the skin of the subject. The second reference area (420) may include an attachment surface (521) that is attached to the skin of the subject. The third reference area (430) may include an attachment surface (531) that is attached to the skin of the subject. Similarly, the remaining area (440) may include an attachment surface (541) that is attached to the skin of the subject.

[0098] When the patch (400) is attached to the skin of the subject by the adhesive surfaces, a plurality of regions can contact the skin of the subject through the electrodes. The first reference region (410) can contact the skin of the subject through the electrodes (411). The second reference region (420) can contact the skin of the subject through the electrodes (421). The third reference region (430) can contact the skin of the subject through the electrodes (431). The remaining regions (440) can contact the skin of the subject through the electrodes (441).

[0099] And, when the main body is placed on the patch (400), the electrodes (411), (421) and (431) can be electrically connected to the terminals of the corresponding modules. The electrode (441) can be electrically connected to the module of the main body through the conductive pattern.

[0100]

[0101] Referring to FIGS. 6 to 8, drawings are provided to explain a combined biosignal measuring device of a main body and a patch according to various embodiments of the present disclosure.

[0102] Below, the description of the main body and patches will be omitted as they have been described above.

[0103] Referring to FIG. 6, a main body (600) and a patch (610) are illustrated. In FIG. 6, the patch (610) includes the same number of regions as the modules of the main body (600). Therefore, the patch (610) can include only three reference regions. Since each of the reference regions includes an electrode, the patch (610) can include three electrodes. Since the first electrode and the ground electrode for obtaining a reference signal are essential, only one of the three electrodes can obtain a channel signal. Therefore, a biosignal measuring device (620) to which the main body (600) and the patch (610) are attached can obtain a channel signal of one channel.

[0104] Referring to FIG. 7, a main body (700) and a patch (710) are illustrated. In FIG. 7, the patch (710) may include one remaining region in addition to three reference regions. In other words, the patch (710) may include four electrodes. Accordingly, two of the four electrodes, excluding the reference electrode and the ground electrode, can acquire channel signals. Accordingly, a biosignal measuring device (720) having the main body (700) and the patch (710) attached thereto can acquire two channel signals.

[0105] In the same way, referring to FIG. 8, a biosignal measuring device (800) that obtains a channel signal of 3 channels and a biosignal measuring device (810) that obtains a channel signal of 4 channels are illustrated.

[0106] When a biosignal measuring device acquires two or more channel signals, phase difference information for the biosignal can be determined based on the two or more channel signals. Specifically, the biosignal measuring device can determine the phase difference information by calculating the phase difference between the channel signals. Then, the biosignal measuring device can pattern the phase difference. The biosignal measuring device can calculate entropy, which can quantitatively express how diversely the phase patterns are distributed, based on the diversity of the patterns, and can evaluate the level of consciousness of the subject (e.g., depth of anesthesia, etc.) based on the calculated entropy. In other words, the biosignal measuring device can utilize the phase difference information determined from the two or more channel signals as an index of consciousness for evaluating the level of consciousness of the subject. In other words, the biosignal measuring device can monitor the state of consciousness of the subject.

[0107] Moreover, biosignal analysis using phase difference information can be more robust to non-biological noise than simple frequency-specific power analysis. Furthermore, biosignal analysis using phase difference information is unaffected by volume conduction effects, allowing for closer electrode spacing, which can be advantageous for miniaturizing biosignal measurement devices.

[0108] According to the above, it can be seen that the number of channel signals acquired by the biosignal measuring device is determined based on the number of the plurality of regions. In other words, the number of channel signals acquired by the biosignal measuring device may be proportional to the number of the plurality of regions. Specifically, the number of channel signals acquired by the biosignal measuring device may correspond to the number of regions excluding the region including the ground electrode and the first electrode among the plurality of regions. In other words, the number of channel signals acquired by the biosignal measuring device may correspond to the number of the second electrodes.

[0109] In addition, in the biosignal measuring device, more biosignals can be acquired by changing only the patch without changing the main body. In particular, the lengths of the electrodes included in each of the remaining regions excluding the reference regions among the multiple regions can be varied to measure biosignals at various locations of the measurement target. In the biosignal measuring device (800) of FIG. 8, the electrode (820) included in the newly added remaining region can be attached to the opposite forehead of the subject to acquire biosignals. In the biosignal measuring device (810) of FIG. 8, the electrode (830) included in the newly added remaining region can be attached to the occipital region of the subject to acquire biosignals.

[0110] Depending on where the plurality of electrodes included in the patch are attached to the subject, the biosignals obtained by each of the plurality of electrodes may include one or more of an electroencephalogram (EEG) signal, an electromyography (EMG) signal, and an electrooculography (EOG) signal. For example, if the electrode is attached near the subject's eyeball, the electrode may include an electroencephalogram signal and an electrooculography signal.

[0111] At this time, the biosignal measuring device can remove noise contained in the EEG signal based on the electromyography signal and / or the safety signal included in the biosignal. The noise in the EEG signal may be due to electrical activity generated by the subject's facial muscle movement and eye movement, rather than electrical activity in the brain. Therefore, noise contained in the EEG signal can be removed based on the safety signal and / or the EEG signal to obtain only signals resulting from the electrical activity of the brain.

[0112]

[0113] Referring to FIG. 9, a drawing is shown to explain a guide that facilitates the combination of a main body and a patch according to one embodiment of the present disclosure.

[0114] In order to obtain accurate bio-signals from the subject, the main body (920) may need to be accurately positioned on the patch (910). The bridge connecting the modules of the main body (920) may be made of a material such as a bendable elastomer, and the patch (910) may also be made of a material such as a bendable PET, so attachment of the patch (910) and the main body (920) may not be easy.

[0115] Therefore, when the main body (920) is placed on the patch (910) without a separate guide (900), the main body (920) may not be placed accurately on the patch (910). If the main body (920) is not placed accurately on the patch (910), a short circuit may occur between the terminal of the main body (920) and the electrode of the patch that is not intended by the inspector. At this time, an unintended signal may be received by the main body (920) due to the short circuit. Therefore, a guide (900) that instructs the inspector to place the main body (920) accurately on the patch (910) may be required.

[0116] The guide (900) may include a groove (901) formed according to the shape of the main body (920) or the patch (910) in a flat shape. The guide (900) may include an indicator (903) that indicates the direction of the patch (910) when the patch (910) is inserted and seated in the groove (901). Additionally, the guide (900) may include a dotted line (905) that indicates the position where the remaining areas are placed when the patch (910) is placed in the groove (901), and the guide (900) may indicate the direction in which the patch (910) is inserted and seated using not only the indicator (903) but also the dotted line (905). The guide (900) may further include a friction surface that prevents the patch (910) from slipping in the groove (901). Likewise, the guide (900) may further include a friction surface on the back side to prevent the guide (900) from slipping.

[0117] The inspector can check the direction in which the patch (910) is inserted and seated in the groove (901) by checking the indicator (903) and / or the dotted line (905) of the guide (900). After checking the direction, the inspector can insert and seat the patch (910) in the groove (901). After the patch (910) is inserted and seated in the groove (901), if there is a film or the like to protect the attachment surface in the reference areas where the module of the main body (920) is placed, the inspector can remove it. Then, the inspector can accurately place the main body (920) on the patch (910) inserted and seated in the guide (900).

[0118] Below, we will explain how to measure biosignals from a subject using a biometric information measurement device.

[0119]

[0120] Referring to FIG. 10, a drawing is shown to explain the appearance of wearing a biosignal measuring device according to one embodiment of the present disclosure.

[0121] Referring to FIG. 10, a biometric measurement device is shown for monitoring sleep of a subject while worn by the subject. However, using a biometric measurement device to monitor sleep of a subject is merely one embodiment of the present disclosure, and it is obvious to those skilled in the art that a biometric measurement device can acquire biosignals of a subject not only while the subject is sleeping but also during the subject's daily activities.

[0122] According to one embodiment, the biosignal measuring device (specifically, the main body) may further include a sensor for measuring blood oxygen saturation (SpO2) from a subject to check for sleep disorders such as snoring or sleep apnea. Any one of the modules of the main body may include the sensor. A reference area of ​​a patch in which a module including a sensor for measuring blood oxygen saturation from a subject is placed may further include a hole at a position corresponding to the sensor so that the sensor can measure blood oxygen saturation. The sensor may be brought into close contact with the skin of the subject through the hole to measure blood oxygen saturation.

[0123]

[0124] Referring to FIG. 11, a biosignal measuring device for receiving two-channel biosignals according to one embodiment of the present disclosure is illustrated.

[0125] Referring to Fig. 11, a biosignal measuring device (1100) is illustrated. The biosignal measuring device may include a patch and a main body. Referring to Fig. 11, a biosignal measuring device (1100) having a main body disposed on a patch is illustrated. Fig. 11 may be a top view of the biosignal measuring device (1100) having a main body disposed on a patch. Descriptions of the patch and the main body, which have been described above with reference to Figs. 1 to 10, will be omitted.

[0126] In a biosignal measuring device (1100), a main body including three modules may be placed on a patch including four areas. The main body may include a first module (1110), a second module (1120), and a third module (1130). The first module (1110) may be electrically connected to the second module (1120) via a first bridge (1140). The second module (1120) may be electrically connected to the third module (1130) via a second bridge (1150).

[0127] The patch may include a first reference region (not shown), a second reference region (not shown), a third reference region (not shown), and a remaining region (1160). The first reference region may include a first channel electrode (not shown). The second reference region may include a ground electrode (not shown) and may be electrically connected to a second channel electrode (1161) of the remaining region (160) via a conductive pattern (not shown). The third reference region may include a reference electrode (not shown).

[0128] The biosignal measuring device (1100) may have a first module (1110) disposed on a first reference area, a second module (1120) disposed on a second reference area, and a third module (1130) disposed on a third reference area. Accordingly, the first module (1110) may be electrically connected to a first channel electrode of the first reference area. The second module (1120) may be electrically connected to a ground electrode and a second channel electrode of the second reference area. The third module (1130) may be electrically connected to a reference electrode of the third reference area.

[0129]

[0130] Referring to FIG. 12, a drawing is shown to explain the electrical connection of electrodes and modules according to various embodiments of the present disclosure.

[0131] Referring to FIG. 12, various embodiments for explaining the electrical connection of a module (1200) and an electrode (1202) are illustrated. Specifically, referring to the first method (1210), the second method (1220), and the third method (1230) according to various embodiments, cross-sections of an electrically connected module (1200) and an electrode (1202) are illustrated. Descriptions of the module (1200), terminal (1201), electrode (1202), and attachment surface (1203) will be omitted as they have been described above. For convenience of explanation, the electrical connection will be described below based on one module and one area.

[0132] Referring to the first method (1210), a module (1200) and an electrode (1202) are illustrated. The module (1200) may include a terminal (1201) in contact with the electrode (1202) at the bottom. Since the electrode (1202) is included in an area disposed at the bottom of the module (1200), it may be an electrode (1202) of a reference area. The reference area may further include an attachment surface (1203). According to the first method (1210), the module (1200) may receive a biosignal through a terminal (1201) that is directly electrically connected to the electrode (1202) of the reference area.

[0133] Referring to the second method (1220), the module (1200) and the electrode (1202) can be electrically connected through a conductive pattern (1205). The conductive pattern (1205) can be a pattern formed on the lower part of the film (1204). The film (1204) can be selected from the same material as the patch, such as polyethylene terephtalate (PET), rubber, silicone, or other polymers. The conductive pattern (1205) can be a pattern made of a conductive material, such as silver paste, as described above with reference to FIG. 4. Since the electrode (1202), the conductive pattern (1205), and the terminal (1201) are all conductive, the module (1200) can receive a biosignal acquired by the electrode (1202) through the conductive pattern (1205) and the terminal (1201).

[0134] Referring to the third method (1230), the module (1200) and the electrode (1202) may be electrically connected via a conductive pattern (1205). At this time, the electrode (1202) may not be an electrode included in an area disposed at the bottom of the module (1200). In other words, the electrode (1202) may be an electrode included in an area other than the reference area among a plurality of areas other than the reference area. In order for the module (1200) to receive a biosignal acquired in an area other than the reference area, the conductive pattern (1205) formed on the film (1204) may be used. Accordingly, the module (1200) may receive a biosignal acquired from the electrode (1202) in the remaining area via the conductive pattern (1205) and the terminal (1201). At this time. The conductive pattern (1205) serves as a passage through which biosignals are transmitted, and thus can be formed long in the direction from the electrode (1202) to the module (1200) that is electrically connected to the electrode (1202).

[0135] It is obvious to those skilled in the art that the method by which the module is electrically connected to multiple areas is not limited to the above-described method, and that the module can be electrically connected by various methods such as vias and holes.

[0136]

[0137] Referring to FIG. 13, a drawing is shown for explaining the lower part of the main body according to various embodiments of the present disclosure.

[0138] Referring to Fig. 13, the lower part of the main body (1300) is illustrated. The description of each module and bridge of the main body (1300) as described above with reference to Figs. 2 and 3 will be omitted.

[0139] The main body (1300) can operate without being connected to a separate voltage source via a battery. The main body (1300) may be a replaceable battery or a rechargeable battery. If the battery is replaceable, the main body (1300) may further include charging terminals (1340) for charging the battery.

[0140] The charging terminals (1340) may be positioned at the bottom of a module including a battery. For example, if the battery is included in a second module (1320), the charging terminals (1340) may be positioned at the bottom of the second module (1320). However, this is merely an example, and the present disclosure is not limited thereto. For example, the charging terminals (1340) may be positioned at the bottom of a module other than the module including the battery.

[0141] Depending on the arrangement of the charging terminals (1340), the arrangement of the plurality of terminals may vary. For example, the charging terminals (1340) may be arranged at the lower center of the second module (1320). As the charging terminals (1340) are arranged at the lower center of the second module (1320), the arrangement of the second terminal (1323), the third terminal (1325), the fourth terminal (1327), and the fifth terminal (1329) arranged at the lower part of the second module (1320) may vary compared to FIG. 3.

[0142] According to one embodiment, at least one sensor may be arranged at the bottom of the main body (1300) in addition to the terminals. For example, a sensor (1333) for measuring blood oxygen saturation may be arranged at the bottom of the main body (1300). Depending on the arrangement of the at least one sensor, the arrangement and / or size of the plurality of terminals may vary. For example, the sensor (1333) may be arranged in the third module (1330), and the sixth terminal (1331) arranged together with the sensor (1333) may vary in arrangement and / or size. In other words, the arrangement and / or size of at least one of the plurality of terminals may vary depending on the arrangement of other elements arranged at the bottom of the main body (1300).

[0143]

[0144] Referring to FIGS. 14 to 16, drawings are shown for explaining patches according to various embodiments of the present disclosure.

[0145] Referring to FIG. 14, an upper portion of a patch (1400) according to one embodiment of the present disclosure is illustrated. The patch (1400) may be a patch capable of acquiring two-channel channel signals. The patch (1400) may be attached to the right forehead.

[0146] The description of each area included in the patch (1400) as described above with reference to FIGS. 4 and 5 will be omitted. In the patch (1400), a plurality of electrodes may be arranged at positions corresponding to a plurality of terminals when the main body (1300) of FIG. 13 is arranged on the patch (1400).

[0147] According to one embodiment, the remaining region (1440) may be connected to the second reference region (1420) via a connecting portion (1480). The connecting portion (1480) may include a first portion having a straight shape and a second portion having a curved shape. The second portion may have an arbitrary curvature. The first portion may be connected to the remaining region (1440) and the second portion may be connected to the second reference region (1420).

[0148] In one embodiment, the first portion of the connecting portion (1480) can be positioned in the direction of the folds of the body part to which the patch (1400) is attached. Since the second portion has an arbitrary curvature, even if the first reference area (1410), the second reference area (1420), the third reference area (1430), and the remaining area (1440) are attached to the body part intended by the user, the first portion can be positioned in the direction of the folds of the body part to which the patch (1400) is attached.

[0149] Since the second part has an arbitrary curvature and the first part is arranged in the direction of the body's wrinkles, the connecting portion (1480) can act like a spring. Therefore, when the connecting portion (1480) adheres closely to the curve of the body part, even if the wrinkles are spread out or formed further depending on the movement of the body part, the remaining area (1750) may not be detached from the body part due to the spring effect of the connecting portion (1480). On the other hand, when a connecting portion (1480) having a simple straight shape adheres closely to the curve of the body part, even if the wrinkles are spread out or formed further depending on the movement of the body part, the connecting portion (1480) can be easily detached from the body part.

[0150] According to one embodiment, the patch (1400) may further include a protrusion (1435). The protrusion (1435) may be a portion protruding from at least one of the reference areas of the patch (1400). The protrusion (1435) may facilitate attachment / detachment of the biosignal measuring device from the body. The protrusion (1435) may facilitate attachment / detachment between the main body and the patch (1400).

[0151] According to one embodiment, the modules of the main body may have different sizes. For example, the sizes of the modules may vary depending on the elements included in the module. For example, a module including a battery may be larger than other modules. Accordingly, the sizes of the reference areas where each module is placed may also vary. The protrusion (1435) may be a portion protruding from the smallest reference area. The lower portion of the protrusion (1435) may include an adhesive material as a surface that is attached to the body. The protrusion (1435) may provide additional adhesiveness to the smallest reference area.

[0152] Referring to FIG. 15, a patch (1500) capable of acquiring a three-channel channel signal according to one embodiment of the present disclosure is illustrated. A description of a biosignal measuring device capable of acquiring a three-channel channel signal, as described above with reference to FIG. 8, is omitted.

[0153] Referring to FIG. 16, a patch (1600) capable of acquiring four channel signals according to one embodiment of the present disclosure is illustrated. A description of a biosignal measuring device capable of acquiring four channel signals, as described above with reference to FIG. 8, is omitted.

[0154] FIG. 17 is a drawing illustrating a state of wearing a biosignal measuring device according to one embodiment of the present disclosure.

[0155] Referring to FIG. 17, a user wearing a biosignal measuring device is illustrated. The biosignal measuring device may include a main body (1700) and a patch (1710). The main body (1700) of the biosignal measuring device worn by the user may be the main body (1300) of FIG. 13, and the patch (1710) may be the patch (1400) of FIG. 14. The main body (1700) may be attached to a body part of the user via the patch (1710).

[0156] That is, the first reference area (1720) can be attached above the forehead, the second reference area (1730) above the right eyebrow, the third reference area (1740) can be attached to the right temple, and the remaining area (1750) can be attached to the upper right side of the forehead.

[0157] The connecting portion (1760) may include a first portion having a straight shape and a second portion having a curved shape. The second portion may have an arbitrary curvature. The first portion of the connecting portion (1760) may be positioned in the direction of the forehead wrinkles. In other words, the first portion of the connecting portion (1760) may be positioned within a critical angle with respect to the forehead wrinkles. As the first portion is positioned in the direction of the forehead wrinkles, the connecting portion (1760) may function like a spring.

[0158]

[0159] FIG. 18 is a drawing illustrating a guide that facilitates the combination of a main body and a patch according to one embodiment of the present disclosure.

[0160] Referring to Fig. 18, a guide (1800) is illustrated. A description of the guide (1800) and a method of combining the patch and the main body using the guide (1800) are described above in Fig. 9, so a description thereof will be omitted.

[0161] A guide (1800) can be used to couple the main body (1300) of FIG. 13 with the patch (1400) of FIG. 14. The guide (1800) can include a groove (1801) into which a patch is inserted and seated. The guide (1800) can further include a dotted line (1820) on which a connection portion leading to the remaining areas added when a patch for obtaining a channel signal of three channels is inserted and seated in the groove (1801) is placed. The guide (1800) can further include dotted lines (1810) and dotted lines (1820) on which a connection portion leading to the remaining areas added when a patch for obtaining a channel signal of four channels is inserted and seated in the groove (1801) is placed.

[0162]

[0163] The embodiments described above may be implemented using hardware components, software components, and / or a combination of hardware components and software components. For example, the devices, methods, and components described in the embodiments may be implemented using one or more general-purpose computers or special-purpose computers, such as, for example, a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, a microcomputer, a field programmable gate array (FPGA), a programmable logic unit (PLU), a microprocessor, or any other device capable of executing instructions and responding to them. The processing device may execute an operating system (OS) and one or more software applications running on the operating system. The processing device may also access, store, manipulate, process, and generate data in response to the execution of the software. For ease of understanding, the processing device is sometimes described as being used alone; however, one of ordinary skill in the art will recognize that the processing device may include multiple processing elements and / or multiple types of processing elements. For example, a processing unit may include multiple processors, or a processor and a controller. Other processing configurations, such as parallel processors, are also possible.

[0164] Software may include a computer program, code, instructions, or a combination of one or more of these, which may configure a processing device to perform a desired operation or may, independently or collectively, command the processing device. The software and / or data may be permanently or temporarily embodied in any type of machine, component, physical device, virtual equipment, computer storage medium or device, or transmitted signal wave, for interpretation by the processing device or for providing instructions or data to the processing device. The software may also be distributed over networked computer systems and stored or executed in a distributed manner. The software and data may be stored on one or more computer-readable recording media.

[0165] The method according to the embodiment may be implemented in the form of program commands that can be executed through various computer means and recorded on a computer-readable medium. The computer-readable medium may include program commands, data files, data structures, etc., alone or in combination. The program commands recorded on the medium may be those specially designed and configured for the embodiment or may be those known and available to those skilled in the art of computer software. Examples of the computer-readable recording medium include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical media such as CD-ROMs and DVDs, magneto-optical media such as floptical disks, and hardware devices specially configured to store and execute program commands, such as ROMs, RAMs, and flash memories. Examples of the program commands include not only machine language codes generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter, etc. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiment, and vice versa.

[0166] The components described in the embodiments may be implemented by hardware components including one or more of a Digital Signal Processor (DSP), a Processor, a Controller, an Application Specific Integrated Circuit (ASIC), a Programmable Logic Element (FPGA) such as a Field Programmable Gate Array (FPGA), other electronic devices, and combinations thereof. At least some of the functions or processes described in the embodiments may be implemented by software, and the software may be recorded on a recording medium. The components, functions, and processes described in the embodiments may be implemented by a combination of hardware and software.

[0167] Although the embodiments described above have been described with limited drawings, those skilled in the art will appreciate that various technical modifications and variations can be applied based on the above. For example, appropriate results can still be achieved even if the described techniques are performed in a different order than described, and / or components of the described systems, structures, devices, circuits, etc. are combined or combined in a different manner than described, or are replaced or substituted with other components or equivalents.

Claims

1. In a biosignal measuring device, A patch comprising a plurality of regions, each region including an electrode for obtaining a biosignal from a subject to whom the biosignal measuring device is attached; and A main body including modules each disposed on two or more reference areas among the plurality of areas and electrically connected to one or more of the plurality of electrodes included in the patch. Including, The above modules are, They are placed so that they are connected by bridges and spaced apart from each other by a predetermined distance, The above plurality of electrodes are, A first electrode for obtaining a reference signal for the biosignal and one or more second electrodes for obtaining one or more channel signals for the biosignal, Biosignal measuring device.

2. In paragraph 1, An electrode included in each of the remaining regions excluding the two or more reference regions among the plurality of regions is electrically connected to one of the two or more reference regions, so that a biosignal obtained from the electrode is transmitted to one of the two or more reference regions. Biosignal measuring device.

3. In paragraph 2, A module placed on any one of the above two or more reference areas A biosignal obtained from an electrode included in any one of the two or more reference areas; and A biosignal obtained from an electrode included in each of the remaining regions electrically connected to one of the two or more reference regions above. Receiving, Biosignal measuring device.

4. In paragraph 3, An electrode included in any one of the two or more reference areas; and An electrode included in each of the remaining regions electrically connected to one of the two or more reference regions above. is electrically insulated, Biosignal measuring device.

5. In paragraph 1, The above first electrode, Among the above plurality of electrodes, one that is selected as having less influence on the subject's measurement target, Biosignal measuring device.

6. In paragraph 1, The above plurality of electrodes are, Further comprising a ground electrode that serves as a ground for the first electrode and the second electrode. Biosignal measuring device.

7. In paragraph 1, The above biosignals are, Including at least one of electroencephalogram (EEG), electromyography (EMG), and electrooculography (EOG) signals for the subject. Biosignal measuring device.

8. In paragraph 7, The noise included in the above EEG signal is which is removed based on the above EMG signal and / or the above safety signal, Biosignal measuring device.

9. In paragraph 1, The above bridge, It has relatively high elasticity compared to the above modules, and when the biosignal measuring device is attached to the subject, it bends along the curve of the body part of the subject to which it is attached. Biosignal measuring device.

10. In paragraph 1, The number of channel signals received by the main body is determined based on the number of the plurality of areas. Biosignal measuring device.

11. In paragraph 1, The above patch is a disposable element that is discarded when separated from the subject after the measurement of the above biosignal is completed. The above main body is a multi-use element that can be attached to multiple patches. Biosignal measuring device.

12. In paragraph 1, Phase difference information for the biosignal is determined based on the one or more channel signals obtained from the one or more second electrodes. Biosignal measuring device.

13. In paragraph 1, One of the above modules includes a sensor for measuring blood oxygen saturation (SpO2) from the subject, The reference area where the module including the above sensor is placed is Including a hole at a location corresponding to the sensor so that the sensor can measure the blood oxygen saturation, Biosignal measuring device.

14. In a biosignal measuring device, A patch comprising a plurality of regions, each region including an electrode that directly contacts a subject and obtains a biosignal from the subject; and A main body including modules each arranged on some of the above multiple areas Including, The above modules are A first module disposed on an area including a first channel electrode included in the patch and electrically connected to the first channel electrode; A second module electrically connected to the ground electrode and the second channel electrode included in the above patch and disposed on an area including the ground electrode; and A third module disposed on an area including a reference electrode included in the above patch and electrically connected to the reference electrode. Including Biosignal measuring device.

Images