KR101763876B1

KR101763876B1 - Device and method for correcting of posture

Info

Publication number: KR101763876B1
Application number: KR1020160030790A
Authority: KR
Inventors: 이경근; 최진호; 박치현
Original assignee: 이경근; 최진호; 박치현
Priority date: 2016-03-15
Filing date: 2016-03-15
Publication date: 2017-08-01

Abstract

At least one sensor for detecting the motion of the object, a type of motion detected by the at least one sensor, a map of the type of the motion, and a pre-stored threshold value, A controlling unit for enclosing the object, a control unit for increasing or decreasing the volume of the object so as to contract or relax based on the control command, a control unit for increasing or decreasing the volume of the band so that the band is contracted or relaxed, And a power supply unit for supplying power to the sensor, the control unit, and the control unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a posture correcting band and a posture correcting method.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a posture correcting band and a posture correcting method, and more particularly, to an apparatus and a method for maintaining a correct posture by contracting or relaxing a band.

In recent years, as the use of computers and smart terminals has been increasing for a long time, diseases caused by failing to maintain proper posture have been increasing, and apparatuses and tools for maintaining proper attitude have been developed, but inconvenience to be used in real life And the effects are limited due to constraints.

At this time, a method for maintaining a correct posture is performed by a method of allowing the user to recognize the difference between the preset data and the sensed motion. In this regard, Korean Patent No. 10-1493989 (published on Feb. 23, 2015) discloses a configuration in which the movement of muscles is synchronized with a predetermined motion by using a piezoelectric sensor and an elastic rehabilitation band.

However, the configuration for controlling the contraction or relaxation of the band according to the movement of the muscles and the configuration for warning the danger of the disease by analyzing the movement of the user's wrist or joint are not disclosed at all, and the above- There is a problem.

In an embodiment of the present invention, the contraction or relaxation of the band is controlled according to the movement of the muscles, the danger of a disease at a part such as the wrist or the joint of the user is warned, and the user interacts with his or her own posture It is possible to provide a posture correcting band and a posture correcting method. It should be understood, however, that the technical scope of the present invention is not limited to the above-described technical problems, and other technical problems may exist.

According to an aspect of the present invention, there is provided an information processing apparatus including at least one sensor for detecting movement of an object, at least one sensor for detecting movement of the at least one sensor, A control unit for extracting a previously stored threshold value and outputting a control command, a control unit for controlling the object to be shrunk or relaxed based on the control command, A control unit for increasing or decreasing the volume of the bands, and a power unit for supplying power to the at least one sensor, the control unit and the control unit.

In another embodiment of the present invention, there is provided a method for detecting a motion of an object, comprising the steps of sensing movement of an object wrapped by a band included in a posture correction band using at least one sensor, Extracting a threshold mapped to a predetermined type of motion, and, if the extracted threshold value is less than the sensed motion value, contracting the band included in the posture correction band.

According to any one of the above-mentioned objects of the present invention, the contraction or relaxation of the band is controlled according to the movement of the muscles, the danger of the disease at the part such as the wrist or the joint of the user is warned, It is possible to provide a posture correcting band and a posture correcting method for allowing the user to perceive himself / herself.

1 is a view showing a posture correction band according to an embodiment of the present invention.
FIG. 2 is a block diagram for explaining the posture correction band shown in FIG. 1. FIG.
3 is a view for explaining the driving principle of the attitude correction band shown in Fig.
FIG. 4 is a view for explaining an embodiment in which the posture correction band shown in FIG. 1 operates.
FIG. 5 is a diagram illustrating a process in which data is transmitted and received between the respective components included in FIG. 1 according to an embodiment of the present invention.
6 is a flowchart illustrating a posture correction method according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "electrically connected" with another part in between . Also, when an element is referred to as "including" an element, it is to be understood that the element may include other elements as well as other elements, And does not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

The terms "about "," substantially ", etc. used to the extent that they are used throughout the specification are used in their numerical value or in close proximity to their numerical values when the manufacturing and material tolerances inherent in the stated meanings are presented, Accurate or absolute numbers are used to help prevent unauthorized exploitation by unauthorized intruders of the referenced disclosure. The word " step (or step) "or" step "does not mean" step for. &Quot;

In this specification, the term " part " includes a unit realized by hardware, a unit realized by software, and a unit realized by using both. Further, one unit may be implemented using two or more hardware, or two or more units may be implemented by one hardware.

In this specification, some of the operations or functions described as being performed by a terminal, a device, or a device may be performed instead in a server connected to the terminal, device, or device. Likewise, some of the operations or functions described as being performed by the server may also be performed in a terminal, device or device connected to the server.

In this specification, some of the operations or functions described in the mapping or matching with the terminal are mapping or matching the unique number of the terminal, which is the identification data of the terminal, or the identification information of the individual . &Lt; / RTI >

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view showing a posture correcting band according to an embodiment of the present invention, and FIG. 2 is a diagram illustrating a posture correcting band shown in FIG. Referring to FIG. 1, the posture correction band 100 may be provided to prevent a wrist tunnel syndrome of the wrist or to prevent a C-shaped turtle neck on the neck. However, since the posture correction band 100 of FIG. 1 is only an embodiment of the present invention, the present invention is not limited to FIG. That is, there may be a posture correcting band 100 for preventing a curved shoulder, a posture correcting band 100 for calibrating a curved waist, and the like.

At this time, the posture correction band 100 of FIG. 1 may be connected and synchronized with the user terminal 300 as shown in FIG. 4, generally via a network. In this case, the network means a connection structure in which information can be exchanged between respective nodes such as a plurality of terminals and servers. One example of such a network is a 3rd Generation Partnership Project (3GPP) network, a Long Term Evolution (LTE) Network, a 5rd Generation Partnership Project (5GPP) network, a World Interoperability for Microwave Access (WIMAX) network, the Internet, a LAN (Local Area Network), a Wireless Local Area Network (WLAN) (Bluetooth) network, a satellite broadcast network, an analog broadcast network, a DMB (Digital Multimedia Broadcasting) network, and the like. The posture correction band 100 shown in FIG. 1 and the user terminal 300 shown in FIG. 4 are not necessarily construed as being illustrated.

In this specification, the posture correction band 100 uses the same band as the concept including the band 130, but it is used to distinguish the different concepts and to distinguish them by giving different reference numerals.

First, referring to FIG. 1, the posture correction band 100 may be a band for correcting the posture of an object. At this time, the object wrapped by the posture correction band 100 may be at least one region of a person. In addition, the posture correction band 100 can sense the movement of the muscles of the object using at least one sensor 110. Here, the at least one sensor 110 may be an electromyography sensor. The attitude correction band 100 may measure the direction and intensity of the movement of the object using at least one sensor 110. Then, the posture correction band 100 grasps the kind of motion by using preset data, and outputs a command for posture correction when it exceeds a preset threshold value mapped to the kind of motion. The posture correction band 100 may also be a band that commands the contraction of the band 130 for posture correction and performs feedback control (PID) by continuously monitoring the state of the object. The attitude correction band 100 may be a band capable of wireless or wired communication so as to pattern the motion of the object or output the patterned data in cooperation with the user terminal 300 . The posture correction band 100 may also include a module that contracts or relaxes the band 130 and the band 130 may have a material or mechanism that contracts or relaxes by the module. The posture correction band 100 may be a band that has been waterproofed or flameproofed.

The user terminal 300 shown in FIG. 4 may be a terminal of a user communicating with the posture correction band 100. The user terminal 300 may be a terminal that receives the log recorded in the posture correction band from the posture correction band 100 and stores the log in synchronization with time and place. The user terminal 300 may be a terminal that captures a user using a photographing module and outputs a warning message when the image of the user and the predetermined image template match. Also, the user terminal 300 may be a terminal for patterning and storing a log, and outputting the patterned log of the user so that the user can recognize the log. Here, the user terminal 300 may be implemented as a computer capable of connecting to a remote server or terminal through a network. Here, the computer may include, for example, a notebook, a desktop, a laptop, and the like on which a WEB browser is installed. Also, the user terminal 300 may be implemented as a terminal capable of connecting to a remote server or terminal through a network. The user terminal 300 is a wireless communication device that is guaranteed to be portable and mobility, for example, a personal communication system (PCS), a global system for mobile communications (GSM), a personal digital cellular (PDC) ), A PDA (Personal Digital Assistant), IMT (International Mobile Telecommunication) -2000, Code Division Multiple Access (CDMA) -2000, W-CDMA (W-Code Division Multiple Access), Wibro (Wireless Broadband Internet) based wireless communication device, such as a smartphone, a smartpad, a tablet PC, and the like.

2, the attitude correction band 100 includes at least one sensor 110, a control unit 120, a band 130, a control unit 140, an alarm unit 150, and a power source unit 160 ).

At least one sensor 110 may sense motion of the object. Also, the at least one sensor 110 may be a sensor that senses at least one of an angle of an object's moving direction, a moving speed, a moving acceleration, and an intensity of force when the object starts to move, The degree may be at least one of the critical angles, the critical velocity, the critical acceleration, and the intensity of the critical force, which are mapped to and stored in the type of motion. Here, the at least one sensor 110 may be a sensor for sensing the direction and intensity of movement of the object. The at least one sensor 110 may include an electromyography sensor that senses the movement of the muscles of the object. At this time, the electromyogram sensor is a sensor for detecting the action potential (action potential) of the muscles, and a surface derivation method in which electrodes are attached to the skin surface of the human body and the potential is guided can be used. At this time, the at least one sensor 110 induces and amplifies and senses a muscle activity current caused by the contraction of the skeletal muscle, thereby detecting the muscle contraction effect. In the present invention, for the posture correction effect, for example, a tunnel syndrome such as a wrist may occur because the wrist is excessively bent or the wrist is bent for a long time. In the case where the wrist is broken, the at least one sensor 110 senses the direction in which the wrist is moved to detect what kind of movement is occurring, and then, The posture can be corrected by comparing the reference value and the sensed value as to whether or not the wrist tunnel syndrome can occur when the intensity of the wrist tunnel syndrome is maintained at a certain intensity for a certain period of time.

At this time, the at least one sensor 110 may include both a sensor for sensing the direction and a sensor for sensing the intensity. For example, in the case of the wrist, the user may rotate the wrist for a short time, It is not necessary to shrink the band 130 in order to fix the posture until it is stretched to release it. Therefore, if the user is in a certain posture for a long time, if the posture is correct, or if the posture is not correct, If it is not a movement to stretch, it is necessary to grasp whether it is the intensity to which the contraction should proceed.

On the other hand, in the case of a non-wrist, for example, in the case of a shoulder, stretching the shoulder is the right posture. However, when the shoulder is stretched, the muscle is inserted in the contrary to the wrist. When the shoulder is not stretched, The force may not be added. Also, in the case of the neck, if the right posture is maintained, the contraction or tension state of the muscle is maintained, and the state of the turtle neck which does not maintain the correct posture may be in a relaxed state. Therefore, it is necessary to determine the position of the band to be attached to which part, the position of the part is maintained, the direction in which the part is moving, whether the moving in the corresponding direction is to maintain the correct posture, Or whether it is for. For this purpose, the attitude correction band 100 can perform different controls according to the type of the band.

The control unit 120 may classify the types of motions detected by the at least one sensor 110, and may output a control command by being mapped to motions of different types and extracting pre-stored threshold values. At least one sensor 110 may include a sensor for sensing the direction of movement of the object. In this case, the controller 120 may classify the type of movement according to the direction of movement of the object, It is possible to distinguish the type of motion by whether or not the direction of the motion that has been stored and the direction of the previously stored motion coincide with each other. At this time, the controller 120 counts the previous posture holding time before the corresponding data is sensed, and can also consider the type and the time when classifying the motion. For example, if the kind of movement is a movement of folding the wrist in the Z-axis direction, it is necessary to distinguish whether the movement occurs impulsively only within a predetermined time, or continuously maintains the Z-axis direction . The reason for this is that the user must consider the case of folding the wrist in the Z-axis direction for stretching. However, if the user is to prevent excessive bending of the wrist to prevent injury, the default may be set so that no exception occurs.

Accordingly, the control unit 120 grasps the type of movement of the object, and compares the stored threshold value with the sensed value according to the type of motion. In other words, when the degree of contraction is not enough to cause disease, and when the posture is maintained until it is necessary for work or exercise, the control unit 120 does not perform flexible work or exercise, Is excessive.

For example, assuming that the degree of shrinkage to damage the wrist is 10, and the user has moved by an intensity of 3, the control unit 120 may not control to maintain the posture. Of course, the default value of the control unit 120 can be changed by the user, and it is not necessary to set an exceptional condition. In other words, in the case of an ankle-injured patient, the ankle should be prevented from breaking and impacting. In this case, since safety is more important than convenience, the degree of reaction can be controlled by decreasing the threshold value.

Accordingly, when the degree of the detected motion exceeds a threshold value, which is a reference value according to the degree of motion, the controller 120 is mapped to the type of motion, and if the predetermined type of motion exceeds a predetermined threshold value And outputs a shrink command to the adjustment unit 140. [0054]

The band 130 is formed so as to surround the object, and the volume can be increased or contracted or relaxed such that the object contracts or relaxes based on the control command. Here, the band 130 is a band 130 that is contracted or relaxed by atmospheric pressure, hydraulic pressure, power, electricity or heat, and the regulating section 140 includes a device for generating air pressure, hydraulic pressure, .

Here, when the band 130 is contracted or relaxed by air, the adjusting unit 140 may allow air to flow into the space between the outer circumferential surface and the inner circumferential surface of the band 130 to reduce the internal area. For example, assuming that the band 130 has at least two layers, and that a module in which air is introduced into each layer is included in the adjustment unit 140, the adjustment unit 140 may include a band 130 To reduce the area wrapped by the band 130, that is, to shrink the object wrapped by the band 130.

Alternatively, the control unit 140 may cause the stretching of the string inserted in the band 130 to be contracted by using a motor to shrink the band 130. For example, assuming that band 130 is mounted on an object, band 130 may be cylindrical. At this time, when a string is inserted into the band 130 so as to surround the band 130 in a direction perpendicular to the direction in which the object is inserted into the cylindrical shape and both ends of the string are connected to the motor so that both ends of the string are pulled by the motor, Can be reduced. That is, when the diameter of the cylindrical shape is reduced, it means that the band 130 can be contracted. Therefore, when the power is used, a motor and a string may be used. At this time, when the control unit 140 performs the contraction, if the restriction is not made, the blood circulation problem may be caused. Therefore, the band 130 may be a band in which the size or shape of the band 130 is fixed so as not to be further contracted if the band 130 receives a predetermined force or more even though the band 130 is contracted through the adjustment unit 140. At this time, the controller 140 is not limited to the above-described embodiment.

The adjuster 140 may increase or decrease the volume of the band 130 such that the band 130 contracts or relaxes. Here, as described above, the controller 140 may use various physical or chemical mechanisms.

The alarm unit 150 may output an alarm when the data based on the type and degree of motion detected by the at least one sensor 110 and predetermined warning data match. The alarm unit 150 may also include an input interface that allows the degree of shrinkage to be set larger or smaller in stages with respect to the muscle signal at the time of initial action when strong motion is sensed by at least one sensor 110 In the case of wrist bands, the risk of tunnel syndrome can also be warned.

The power supply unit 160 may be configured to supply power to each component including the at least one sensor 110, the control unit 120, and the control unit 140. At this time, the power supply unit 160 may be a module that can be charged wirelessly. When the power source is required, the power source unit 160 can output a display, sound, or vibration for power shortage. When the posture control band 100 is interlocked with the user terminal 300 and the power source 160 is short of power, the power source unit 160 controls the user terminal 300 such that the alarm sounds at the user terminal 300 Signal can be transmitted.

The attitude correction band 100 may be connected to the user terminal 300 wirelessly or by wire and the user terminal 300 may be connected to the attitude correction band 100 through the sensor data sensed by the attitude correction band 100, 120 may be synchronized with the time and location to log into the user's history.

FIG. 3 is a view for explaining the driving principle of the posture correcting band shown in FIG. 1, and FIG. 4 is a view for explaining an embodiment in which the posture correcting band shown in FIG. 1 operates.

Referring to FIG. 3, carpal tunnel syndrome is synonymous with carpal tunnel syndrome, which is the most common compressive neuropathy in the upper limb. Median nerve compression or wrist joint It is caused by median nerve entrapment.

In other words, repeatedly using a keyboard or mouse, such as a computer or smart phone, the nerves of the wrist, the blood vessels and ligaments passing through the carpal tunnel is a symptom of pressure on the nerve, excessive use of the wrist swollen tendons or inflammation The narrowing of the carpal tunnel causes pain, and in the morning, the hands are hardened, the spasms are weak, and the senses are slowed down.

For example, in the case where the tension of the wrist is continuously maintained as shown in (a), the at least one sensor 110 of the present invention senses the tension of the muscles, and the posture correction band 100 Shrinkage control of the band 130 is performed so as not to move the wrist by fixing the wrist.

If the posture of the wrist is correct as shown in FIG. 2 (b), the posture correction band 100 returns to the relaxed state in the contraction state or maintains the relaxed state in the relaxed state because there is no abrupt change in the signal do. At this time, the posture correction band 100 can perform continuous feedback control and continuously detect and monitor the data of the object.

4, when the wrist is in a relaxed state, the posture correction band 100 maintains the relaxed state, (b) when the wrist is contracted, (c) when air is used, Air is introduced into the space between the layers to reduce the space inside the attitude correction band 100 (d) so that the wrist is fixed. In this case, (e) when the user terminal 300 is interlocked with the posture correction band 100, (f) the log may be patterned to output user data.

3 and 4 are not described in the same manner as the description of the posture correcting band and the posture correcting method described above with reference to FIGS. 1 and 2, So that the following description will be omitted.

FIG. 5 is a diagram illustrating a process in which data is transmitted and received between the respective components included in FIG. 1 according to an embodiment of the present invention. Hereinafter, an example of a process of transmitting and receiving a signal according to an embodiment of the present invention will be described with reference to FIG. 5. However, the present invention is not limited to such an embodiment, and according to various embodiments described above, It is apparent to those skilled in the art that the process of transmitting and receiving the shown data can be changed.

Referring to FIG. 5, at least one sensor 110 senses movement and intensity of an object (S5100), and transmits the data to the control unit 120 (S5200).

Then, the control unit 120 determines the type of motion (S5300), determines the degree of motion (S5400), and determines whether a predetermined threshold value according to the type of motion exceeds a detection value (S5500).

At this time, if the predetermined threshold value according to the type of motion exceeds the detection value, the control unit 120 transmits an instruction to the control unit 140 (S5600) and outputs an alarm to the alarm unit 150 (S5700).

The control unit 140 then transmits the contraction control to the band 130 at step S5800 and if the band 130 is retracted at step S5900 the band 130 transmits a contraction report to the control unit 120 (S5910).

Here, the control unit 120 performs continuous monitoring after the shrinkage control (S5920), and receives data sensed from at least one sensor (S5930) and receives the sensed data (S5940).

Then, similarly, the control unit 120 determines the type of motion (S5950), determines the degree of motion (S5960), and determines whether a predetermined threshold value according to the type of motion exceeds a detection value (S5970) .

At this time, if the predetermined threshold value according to the type of motion exceeds the sensed value, the control unit 120 transmits an instruction to the control unit 140 in step S5980 and relaxes it in step S5990. Adjusts the band 130 to relax (S5991), and reports the relaxation to the control unit 120 (S5992).

The order between the above-described steps (S5100 to S5992) is merely an example, but is not limited thereto. That is, the order between the above-described steps S5100 to S5992 may be mutually varied, and some of the steps may be executed or deleted at the same time.

The matters not described for the posture correcting method of FIG. 5 can be easily deduced from the same or described contents of the posture correcting method described above with reference to FIGS. 1 to 4, and the description will be omitted.

6 is a flowchart illustrating a posture correction method according to an embodiment of the present invention. Referring to FIG. 6, the attitude correction band detects movement of an object wrapped by the band using at least one sensor 110 (S6100).

Then, the posture correction band determines whether the sensed motion is a predetermined type of motion (S6200).

The posture correction band extracts a threshold value mapped to the determined motion of the predetermined type (S6300).

Then, the attitude correction band shrinks the band if the extracted threshold value is less than the sensed motion value (S6400).

The matters not described for the posture correcting method of FIG. 6 can be easily deduced from the same or described contents of the posture correcting method described above with reference to FIGS. 1 to 5, and the description will be omitted.

The posture correction method according to the embodiment described with reference to FIG. 6 may also be implemented in the form of a recording medium including an application executed by a computer or a command executable by a computer such as a program module. Computer readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. In addition, the computer-readable medium may include both computer storage media and communication media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Communication media typically includes any information delivery media, including computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave, or other transport mechanism.

The posture correcting method according to an embodiment of the present invention described above can be executed by an application installed in a terminal (which may include a program included in a platform or an operating system basically installed in the terminal) (I.e., a program) installed directly on the master terminal through an application providing server such as an application store server, an application, or a web server associated with the service. In this sense, the posture correcting method according to an embodiment of the present invention described above may be implemented in an application installed in a terminal or installed directly by a user (i.e., a program), and a computer- Lt; / RTI >

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

Claims

In the posture correction band,
At least one sensor for sensing movement of the object;
A control unit for classifying the types of motions detected by the at least one sensor, extracting pre-stored threshold values mapped to motions of different types, and outputting control commands;
A band formed to enclose the object, the band being contracted or relaxed by increasing or decreasing volume so that the object is contracted or relaxed based on the control command;
An adjuster for increasing or decreasing the volume of the band so that the band is contracted or relaxed;
A power supply unit for supplying power to the at least one sensor, the control unit and the control unit; And
And an alarm unit for outputting an alarm when data based on the type and degree of motion sensed by the at least one sensor match predetermined warning data,
Wherein,
Storing sensed data received from the at least one sensor in an alarm-released state when receiving an alarm-cancel input of the user for the alarm of the alarm unit,
And sets an exception so that an alarm for the stored sensed data will not be sounded.

The method according to claim 1,
Wherein the at least one sensor comprises an ElectroMyGraphy sensor for sensing movement of a muscle of the object.

The method according to claim 1,
Wherein the at least one sensor includes a sensor for sensing a direction of movement of the object,
Wherein,
The motion type is classified according to the direction of the motion of the object, the motion type is classified by whether the direction of the detected motion coincides with the direction of the previously stored motion,
Determining that a predetermined type of operation is mapped to a type of the motion and a preset threshold value that is a reference value according to the degree of motion exceeds a predetermined threshold value when the detected degree of motion exceeds the threshold, And outputting a shrink command to the adjustment unit.

The method of claim 3,
Wherein the at least one sensor is a sensor that senses at least one of an angle of a direction in which the object moves, a moving speed, a moving acceleration, and an intensity of a force when the object starts moving,
Wherein the degree of motion is at least one of a threshold angle, a critical velocity, a critical acceleration, and an intensity of a critical force that are mapped to and stored in the type of motion.

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The method according to claim 1,
The posture correction band is connected to the user terminal wirelessly or by wire,
Wherein the user terminal synchronizes the sensor data sensed in the attitude correction band and the control command data of the control unit in time and place to log into the user's history.

The method according to claim 1,
Wherein the regulating section includes a device for generating air pressure, hydraulic pressure, power, electricity or heat.

9. The method of claim 8,
Wherein the adjuster causes air to flow into the space between the outer circumferential surface and the inner circumferential surface of the band to reduce the internal area.

9. The method of claim 8,
Wherein the control unit causes the elongation of the string inserted in the band to be contracted using a motor to shrink the band.

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