KR20150112741A - Wearable device and information input method using the same - Google Patents

Abstract

A wearable device includes: a sensor array including a plurality of sensors, each sensor detecting a physical change of epidermis of a corresponding body region; and a body movement determining unit determining the movement of the body part based on sensing signals received from the sensors.

Description

TECHNICAL FIELD [0001] The present invention relates to a wearable device and a method of inputting information using the wearable device.

The present invention relates to a wearable apparatus and an information input method using the same, and more particularly, to an information input apparatus for recognizing a gesture of a wearer wearing a device and inputting information based on the recognized gesture, .

As the computer environment changes in ubiquitous computing environment, a variety of information input devices have been developed. This technology change of the information input device is evolving from a keyboard portable type to an input device using a part of the body.

Korean Patent Registration No. 10-0634494 discloses a wearable information input device, an information processing device, and an information input method. Such an input device can measure the distance between the fingers varying according to the finger bending and select the information input item according to the detected distance.

Korean Patent No. 10-1130150 discloses an input device, an information processing device, and a method of controlling an input device. Such an input device detects a pressure or the like by using a detection data value changed by pressing or contact with the surface of the sensor portion, determines a position, and generates a control signal accordingly.

Korean Patent No. 10-0634494 Korean Patent No. 10-1130150

An embodiment of the present invention is to provide a device for recognizing the movement of a body part by sensing a physical change of a skin area of a body area and inputting information based thereon.

An embodiment of the present invention is to provide an information input device capable of sensing a physical change of a wrist skin by a muscle change of a wrist and recognizing a movement of a finger and a wrist.

An embodiment of the present invention provides an information input method capable of controlling an external device based on a motion of a recognized body part.

Among the embodiments, the wearable device may include a sensor array including a plurality of sensors each sensing a physical change to a skin of the body region, and a controller configured to determine movement of the body part based on the sensing signals received from the plurality of sensors And a body motion determining unit.

In one embodiment, the density of the plurality of sensors may be proportional to muscle density below the epidermis of the corresponding body region.

In one embodiment, the apparatus may further include a body movement pattern storage unit for associating and storing the predefined sensing signal patterns of the plurality of sensors with the movements of the body part.

In one embodiment, the body motion determining unit detects the degree of similarity by comparing the information about the received sensing signals with the sensing signal patterns stored in the body motion pattern body motion pattern storage unit, and based on the degree of similarity, The motion can be determined.

In one embodiment, the apparatus may further include a body motion transmission unit for transmitting information on the determined motion of the body part to an external device through a communication network.

In one embodiment, the sensor array may sense the skin strain of the corresponding body region.

In one embodiment, the sensor array may be located on the wrist to sense physical changes in the wrist epidermis due to muscle changes, including intestinal flexor and wrist flexors.

In one embodiment, the inertial sensor may further include an inertial sensor disposed near the epidermis of the muscle density below the skin of the body region and measuring the angular velocity and acceleration according to the movement of the body region.

In one embodiment, the body motion determiner may determine the motion of the body part based on the sensing signals received from the plurality of sensors and the angular velocity and acceleration measured from the inertial sensor.

In an embodiment, an information input method includes sensing a physical change of a skin region of a corresponding body region in a sensor array including a plurality of sensors, and detecting a physical change of a skin region of the body region based on sensing signals received from the plurality of sensors, And determining the movement of the body part.

In one embodiment, the method may further comprise transmitting information about the determined movement of the body part in the body motion transmission part.

In one embodiment, the step of transmitting information about the determined movement of the body part comprises the steps of: identifying a linked Internet Internet of Things device via a communication network and transmitting the determined movement of the body part And controlling the corresponding device by transmitting information on the device.

The wearable device according to an embodiment of the present invention can detect the movement of the body part by sensing the physical change of the skin of the user's body area.

The wearable device according to an embodiment of the present invention can recognize the movement of the fingers and the wrist by sensing the physical change of the wrist skin due to the change of the wrist muscle, and can input information based thereon.

A wearable device according to an embodiment of the present invention can control an external device based on a motion of a recognized body part.

1 is a view illustrating a wearable device according to an embodiment of the present invention.
2 is a block diagram illustrating the configuration of the wearable device shown in Fig.
FIG. 3 is a diagram illustrating the sensor array of FIG. 2. FIG.
Figure 4 is an illustration of a sensor that the sensor array in Figure 3 includes.
Fig. 5 is a view showing the muscles of the fingers and wrists.
FIG. 6 is a diagram illustrating a process of detecting a physical change of the skin using the wearable device shown in FIG.
7 is a view illustrating a wearable device according to another embodiment of the present invention.
8 is a flowchart illustrating an information input method using a wearable device according to an embodiment of the present invention.

The description of the present invention is merely an example for structural or functional explanation, and the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the present invention should be understood to include equivalents capable of realizing technical ideas. Also, the purpose or effect of the present invention should not be construed as limiting the scope of the present invention, since it does not mean that a specific embodiment should include all or only such effect.

Meanwhile, the meaning of the terms described in the present application should be understood as follows.

The terms "first "," second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

It is to be understood that the singular " include " or "have" are to be construed as including the stated feature, number, step, operation, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

In each step, the identification code (e.g., a, b, c, etc.) is used for convenience of explanation, the identification code does not describe the order of each step, Unless otherwise stated, it may occur differently from the stated order. That is, each step may occur in the same order as described, may be performed substantially concurrently, or may be performed in reverse order.

The present invention can be embodied as computer-readable code on a computer-readable recording medium, and the computer-readable recording medium includes all kinds of recording devices for storing data that can be read by a computer system . Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and also implemented in the form of a carrier wave (for example, transmission over the Internet) . In addition, the computer-readable recording medium may be distributed over network-connected computer systems so that computer readable codes can be stored and executed in a distributed manner.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the related art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present application.

1 is a view illustrating a wearable device according to an embodiment of the present invention.

Referring to FIG. 1, a user wears a wearable device 120 in the body area 110 to input information. For example, the wearable device 120 of FIG. 1 can be worn on the user's wrist in the form of a band or a bracelet using a flexible sensor array, and information can be input through the movement of the hand.

That is, the wearer wears the wearable device 120 on the wrist and moves the wearable wearable device 120 to enter desired information. The wearable device 120 senses a physical change of the skin of the corresponding body region according to the motion of the body part of the user, determines the movement of the body part based on the physical change, and receives the information intended by the user.

FIG. 1 shows an example in which a user wears a wearable device on the wrist. However, the present invention can also be applied to a wearable device that is worn or attached to a body part other than the wrist. In such a case, the shape of the wearable device may be modified to facilitate wearing or attachment to the body part.

2 is a block diagram illustrating the configuration of the wearable device shown in Fig.

2, the wearable device 120 includes a sensor array 210, a body motion determination unit 220, a body motion pattern storage unit 230, a body motion transmission unit 240, and a controller 250 .

The sensor array 210 senses physical changes to the epidermis of the body region in contact with the plurality of sensors. The sensor array 210 may convert the physical changes of the skin into electrical signals and output them, and may be located in a direction facing the body region so that the physical changes of the skin can be easily detected. In one embodiment, the sensor array 210 may comprise a plurality of sensors arranged in a non-uniformly dense arrangement to sense the strain of the epidermis. In one embodiment, the density of the plurality of sensors may be proportional to the density of the muscle below the epidermis of the body region. For example, a plurality of sensors may be densely packed under the epidermis of the body region where the muscles are densely packed, and a plurality of sensors may not be located under the epidermis of the body region where muscles are not concentrated.

In one embodiment, the sensor array 210 may comprise a flexible tactile sensor array to sense the skin's strain.

The body movement pattern storage unit 230 associates and stores the movement of the body part with the predefined sensing signal patterns of the plurality of sensors of the sensor array 210. The sensing signal pattern and information on the motion of the body part corresponding to the sensing signal pattern may be defined by the developer and stored in the body motion pattern storage unit 230 in advance. As more information is defined, the wearable device 120 can recognize various motions and receive various information based on the motions.

The body motion determining unit 220 determines the motion of the body part based on the sensing signals received from the plurality of sensors of the sensor array 210. In one embodiment, the body motion determination unit 220 compares the sensed signals sensed by the sensor array 210 with the sensing signal patterns stored in the body motion pattern storage unit 230, and searches for a matched pattern. In one embodiment, the body motion determiner 220 may compare the sensing signals received from the plurality of sensors with the sensing signal patterns to detect the degree of similarity. Here, the degree of similarity may correspond to a degree to which the received sensing signals and predefined sensing signal patterns are similar, i.e., whether the received sensing signals match a specific sensing signal pattern within a predetermined error range.

In one embodiment, the body motion determination unit 220 searches for a pattern that matches the received sensing signals within a predetermined error range. If there is a matching pattern, the body motion determining unit 220 recognizes the motion of the body part corresponding to the matched pattern as a movement of the user. If there is no matching pattern, the body motion determining unit 220 determines Discards the sensing signals sensed by the array 210 and waits again.

The body motion transmitting unit 240 transmits information on the motion of the body part determined by the body motion determining unit 220 to the external device through the communication network. For example, the body motion transmitting unit 240 may transmit information to the external device linked to the wearable device 120 through a communication network. Accordingly, the wearable device 120 can control the external device or input information to the external device.

In one embodiment, the wearable device 120 may include a power supply. The power supply unit can supply power necessary for operation of the wearable device 120. For example, the power source may correspond to a battery, and a replacement type or a charging type may be used. In the case of the charging type, the power source unit can be charged through the wired charging means or the wireless charging means.

The controller 250 controls the operation and data flow of the sensor array 210, the body motion determining unit 220, the body motion pattern storage unit 230, and the body motion transmitting unit 240.

FIG. 3 is a diagram illustrating the sensor array of FIG. 2. FIG.

3 (a), the sensor array 210 includes a plurality of sensors 310, and the plurality of sensors 310 includes a first sensor 311, a second sensor 312, 3 sensor 313, the fourth sensor 314, the fifth sensor 315 and the sixth sensor 316 to detect a physical change of the skin region of the contacted body region.

In one embodiment, when the sensor array 210 is worn on the wrist as shown in FIG. 3 (b) and the center line 320 of the sensor array 210 is positioned at the lower wrist, B, c, and d based on the density of the muscles in the wrist. More specifically, since the muscles in the wrist are concentrated at the lower part of the wrist, and the upper part of the wrist is not densely muscled in terms of the state of the lower part of the wrist, a plurality of sensors 310 may be arranged. That is, the density of the plurality of sensors 310 at the lower part of the wrist is higher than the density of the plurality of sensors 310 at the upper part of the wrist. In addition, each of the plurality of sensors 310 may be arranged in a form that can efficiently detect a physical change of the body region with respect to the skin depending on the type of the region to be contacted or the position of the muscle existing in the region to be contacted .

Each of the plurality of sensors 310 of the sensor array 210 of FIG. 3 (a) can sense the strain of the skin to the skin of the contacted body region. For example, in the case of the wearable device 120 shown in FIG. 1, the sensor array 210 can sense a minute skin deformation of the wrist part according to changes in the muscles of the wrist.

For example, with reference to the fingers and wrist muscles of FIG. 5, a person moves his / her hand (e.g., a finger and / or wrist) by moving the intangible flexor and wrist flexor through the wrist. In other words, the movement of the hand varies according to the movement of the intestine flexor and the flexor flexor, and the epidermis of the wrist where the flexor flexor and flexor flexors are located changes. Fig. 5 (a) is a view showing the fingers and wrist muscles, Fig. 5 (b) is a long meandering flexor, and Fig.

When the sensor array 210 is positioned on the wrist, the sensor array 210 detects the deformation of the epidermis according to the motion of the intramuscular and extensor muscles and converts it into an electrical signal. And compares the sensing signal received by the sensor array 210 with a sensing signal pattern stored in the body movement pattern storage unit 230. [ When there is a matched pattern, the body motion determining unit 220 can recognize the motion corresponding to the matched pattern as a motion of the user's hand.

In one embodiment, the body motion pattern storage unit 230 may store predefined sensing signal patterns based on the sensing signals sensed by the plurality of sensors 310, respectively. More specifically, the first sensor 311, the second sensor 312, the third sensor 313, the fourth sensor 314, the fifth sensor 315 and the sixth sensor 316 are in contact with each other It is possible to define a sensing signal pattern based on whether or not the physical change of the skin region of the body region is sensed and the degree of deformation of the skin if the physical change is sensed. For example, referring to [Table 1], {(first sensor, yes), (second sensor, yes), (third sensor, no), (fourth sensor, no) (the sixth sensor, yes)) can be stored in association with the movement of the fist, and the sensing signal received from the plurality of sensors 310 of the sensor array 210 can be stored in the { (Second sensor, yes), (third sensor, no), (fourth sensor, no), (fifth sensor, no), (sixth sensor, yes) The user who wears the wearable device 120 can recognize that he / she has performed the movement of holding the fist.

The first sensor The second sensor Third sensor Fourth sensor Fifth sensor 6th sensor movement Whether physical change is detected yes yes no no no yes Grasping a fist yes no yes yes no yes Wrist up and down movement no no yes yes no no Wrist twist

Figure 4 is an illustration of a sensor that the sensor array in Figure 3 includes.

Each of the plurality of sensors 310 included in the sensor array 210 may be configured as shown in FIG. 4 (a) or (b).

 Referring to FIG. 4A, each of the plurality of sensors 310 may include a plurality of tactile sensor arrays to sense a physical deformation of the skin contacted. The tactile sensor may be a silicon-based CMOS tactile sensor, a polymer-based tactile sensor, or a pressure-sensitive material-based tactile sensor, which senses the physical characteristics of the contact area and converts it into an electrical signal. In one embodiment, each of the plurality of sensors 310 is a flexible PCB (FPCB) substrate having a plurality of tactile sensors mounted in an array, a plymer protection layer stacked on top and bottom of the FPCB on which the tactile sensor is mounted Lt; / RTI >

In one embodiment, each of the plurality of sensors 310 arranges the tactile sensors in an array of m 占 행 matrices, but the tactile sensor array is arranged in such a manner that the physical deformation can be efficiently detected depending on the type of the object to be contacted Can be applied.

Referring to FIG. 4B, each of the plurality of sensors 310 may be constituted by a flexible tactile sensor module, wherein the flexible tactile sensor module includes a terminal connected to the electrode line of the tactile sensor, And can be manufactured with a tactile sensor. In addition, a flexible tactile sensor module having a signal processing connection unit in the form of a flexible flat cable (FFC) can be implemented.

In one embodiment, the flexible tactile sensor module includes a strain gage 420, insulating films 411 and 412, a first electrode line 460, a second electrode line 430, a first opening 451, 452 and a support 450. [ More specifically, the flexible tactile sensor module includes an insulating film 411 and 412 surrounding the strain gage 420, a strain gage 420, and a plurality of strain gauges 420 connected to one end of the strain gage 420 and formed inside and on the insulating films 411 and 412, The first electrode line 460 connected to the other end of the strain gauge 420 is connected to the other end of the first electrode line 460 and the strain gauge 420 formed inside and on the insulating films 411 and 412, A second electrode line 430 formed inside and on the surface of the strain gage 420 and a first opening 451 capable of lifting a part of the strain gage 420 and a second electrode line 430 exposing the second electrode line 430. [ And a supporting portion 450 having two openings 452 and formed under the insulating films 411 and 412.

In one embodiment, the insulating films 411 and 412 are separated by a first insulating layer 411 and a second insulating layer 412, and between the first insulating layer 411 and the second insulating layer 412, The second electrode line 430 is connected to one end of the gauge 420 and is arranged between the first insulating layer 411 and the second insulating layer 412 and the second electrode line 430 is arranged inside the second insulating layer 412 with the strain gauge 420 And is arranged along the surface of the first insulating side 411. [0064] As shown in FIG.

In one embodiment, a plated layer may be further formed on the first and second electrode lines 460 and 430 inside the second opening 452.

In one embodiment, the insulating films 411 and 412 may be made of a flexible polymer.

In one embodiment, a sensor array 210 comprising a plurality of sensors 310 configured as shown in FIG. 4 (a) or 4 (b) is coupled to a plurality of sensors 310 arranged in an array, It is possible to sense the deformation strain of the contact site skin through each of the plurality of sensors 310 including a plurality of tactile sensors which can sense the strain and more specifically, . For example, in the case of the wearable device 120 shown in FIG. 1, the sensor array 210 can sense a minute skin deformation of the wrist part according to changes in the muscles of the wrist.

FIG. 6 is a diagram illustrating a process of detecting a physical change of the skin using the wearable device shown in FIG.

Referring to FIG. 6, it can be seen that the deformation of the wrist skin before and after the movement of the fingers and the wrist is detected using the wearable device 120, and it can be outputted as a signal. 6, the wearable device 120 detects the deformation of the wrist skin against various movements, while the wearable device 120 detects the deformation of the wrist skin against various movements, And can recognize the movement of the hand (at least one of the fingers and the wrist) based on the detected strain.

For example, referring to FIG. 6, the sensing signals received from the plurality of sensors 310 of the sensor array 210 mounted on the wrist, depending on the type of movement of at least one of the fingers and the wrist, The body motion determining unit 220 can determine the hand motion of the user by comparing the sensing signal received at the sensor array 210 with the sensing signal pattern stored in the body motion pattern storage unit 230. [

7 is a view illustrating a wearable device according to another embodiment of the present invention.

7, the wearable device 120 includes an inertial sensor 710, a sensor array 210, a body motion determination unit 220, a body motion pattern storage unit 230, a body motion transmission unit 240, (720). Hereinafter, a description will be given mainly of the difference from the configuration of FIG.

The inertial sensor 710 measures acceleration and angular velocity according to movement of the body part, and outputs the result as an electrical signal. In one embodiment, the inertial sensor 710 may be included in the wearable device 120, or may be provided in other external devices that the user wears or holds.

In one embodiment, when the inertial sensor 710 is included in the wearable device 120, the muscle density below the epidermis of the body region may be located near the epidermis below a certain criterion.

The sensor array 210 senses the physical change of the epidermis of the contacted body part, converts the physical change into an electrical signal, and outputs the electrical signal.

The body motion pattern storage unit 230 stores information on predefined physical changes and inertia patterns and body movements corresponding to the corresponding patterns.

The body motion determining unit 220 receives an electrical signal (acceleration and angular velocity information) output from the inertial sensor 710 and a physical change signal of the skin outputted from the sensor array 210, The pattern is compared with the change and inertia pattern to search for a matching pattern. In one embodiment, the body motion determination unit 220 searches for a pattern that matches within a predetermined error range. If there is a matching pattern, the body motion determination unit 220 determines a body motion corresponding to the matched pattern, Recognize as motion.

For example, when the user wears the wearable device 120 and grabs and pulls the object, the body motion determination unit 220 determines the physical change of the body region skin received from the sensor array 210 Recognizes the grab motion based on the sensing signals for the inertial sensor 710 and recognizes the pulling direction and the pulling direction based on the electrical signal output from the inertial sensor 710. [

The wearable device 120 transmits the recognized result information to the external device through the body motion transmission unit 240, and controls the external device or inputs the information. For example, when the wearable device 120 recognizes a motion linked with the robot arm (grabbing and pulling) and transmits the recognized information to the robot arm, the movement of the robot arm pulling the actual object As shown in Fig. Alternatively, when the wearable device 120 recognizes a movement linked with a computer (external device) and a pulling motion, it can input a command to move the screen or remove specific information by transmitting the recognized information to the computer.

The control unit 720 controls the operation and data flow of the inertial sensor 710, the sensor array 210, the body motion determination unit 220, the body motion pattern storage unit 230, and the body motion transmission unit 240 .

8 is a flowchart illustrating an information input method using a wearable device according to an embodiment of the present invention.

Referring to FIG. 8, the sensor array 210 senses a physical change of the skin region of the contacted body region (step S810). For example, the sensor array 210 may comprise a plurality of sensors 310 or a tactile sensor array to sense the strain of the contact area skin. In the case of a wearable device worn on the wrist, the sensor array 210 can sense physical changes of the wrist skin due to changes in the wrist muscles.

The sensor array 210 converts a physical change sensed by the plurality of sensors 310 into a sensing signal and transmits the sensing signal to the body motion determination unit 220 (step S820).

The body motion determination unit 220 compares the sensing signal received from the sensor array 210 with a sensing signal pattern previously defined in the body movement pattern storage unit 230 and performs matching (step S830). If there is a pattern to be matched, the body motion determining unit 220 recognizes the body part motion corresponding to the matched pattern as a motion of the user (step S840).

In one embodiment, the method of inputting information according to the present invention may further comprise measuring an angular velocity and an acceleration according to movement of the body region through the inertial sensor 710. In this case, the body motion determining unit 220 can recognize the motion of the user based on physical change information of the epidermis measured through the sensor array 210, angular velocity and acceleration measured through the inertial sensor.

The body motion transmission unit 240 transmits information on the motion of the body part recognized by the body motion determination unit 220 to an external device through a wired or wireless communication network (step S850). For example, the body motion transmitter 240 may transmit motion information to an external device via a short-range wireless communication network such as Bluetooth, UWB (Ultra Wide Band), or the like.

In one embodiment, when the user controls the Internet of Things (IoT) device through the wearable device, the body motion transmitter 240 identifies the IoT device linked to the wearable information input device through the wireless communication network , And can transmit information about the motion to the linked IoT device.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the present invention as defined by the following claims It can be understood that

210: sensor array 220: body motion determination unit
230: body movement pattern storage unit 240: body movement transmission unit
250: control unit 310: a plurality of sensors
710: inertia sensor 720:

Claims (13)

A sensor array including a plurality of sensors each sensing a physical change to a skin of the body region; And
And a body motion determiner for determining a motion of a body part based on the sensing signals received from the plurality of sensors.
The method of claim 1, wherein the density of the plurality of sensors
Wherein the wearer's weight is proportional to muscle density below the epidermis of the body region.
The method of claim 1, wherein the density of the plurality of sensors
Wherein when the body region corresponds to the wrist, the density of the lower portion of the wrist is greater than the density of the upper portion of the wrist.
The method according to claim 1,
Further comprising a body movement pattern storage unit for storing and associating predefined sensing signal patterns of the plurality of sensors with the movements of the body part.
5. The apparatus of claim 4, wherein the body motion determination unit
Wherein the detection unit detects the similarity by comparing the information about the received sensing signals with the sensing signal patterns stored in the body movement pattern body movement pattern storage unit, and determines the movement of the body region based on the degree of similarity. .
The method according to claim 1,
And a body motion transmitting unit for transmitting information on the determined motion of the body part to an external device through a communication network.
2. The sensor array of claim 1, wherein the sensor array
And detects the strain of the skin of the corresponding body region.
2. The sensor array of claim 1, wherein the sensor array
And a physical change of the wrist epidermis is detected by a change of muscles including the intramuscular and extensor muscles.
The method according to claim 1,
Further comprising an inertial sensor disposed near a skin under the epidermis of the body region and having a density of muscle less than or equal to a predetermined standard and measuring an angular velocity and an acceleration according to movement of the body region.
The method according to claim 9, wherein the body motion determination unit
Wherein the movement of the body part is determined based on the sensing signals received from the plurality of sensors and the angular velocity and acceleration measured from the inertial sensor.
Sensing a physical change of a skin region of a corresponding body region in a sensor array including a plurality of sensors, respectively; And
And determining movement of the body part based on the sensing signals received from the plurality of sensors in the body motion determination unit.
12. The method of claim 11,
And transmitting information on the determined motion of the body part in the body motion transmitting unit.
13. The method of claim 12, wherein transmitting information about the determined motion of the body part
Identifying an Internet of Things device linked through a communication network; And
And controlling the corresponding device by transmitting information on the determined motion of the body part to the linked object internet device.

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