KR102082510B1 - Method and apparatus for measuring and evaluating sitting posture providing feedback - Google Patents

Abstract

The present invention provides a method for measuring and evaluating the usage of the user's seated posture and usage time when the user is seated on the chair, the seating step of the user seated on the smart chair equipped with a pressure sensor; A pressure signal detecting step of detecting a pressure signal applied to the smart chair when the user is seated in the smart chair through the pressure sensor; A signal transmission step of transmitting a pressure signal of the seated person detected in the pressure signal detection step to a controller associated with the pressure sensor; A posture analysis step of measuring and analyzing the posture of the seated person using the pressure signal transmitted from the controller; And a feedback information providing step of providing information on feedback through an output unit under the control of the controller according to the attitude information of the seated person analyzed in the posture analysis step, wherein the pressure sensor comprises the smart chair. It is installed on each of the front, rear and both sides of the seating portion is in close contact with the buttocks of the seated in three dimensions, it is connected to the controller, it characterized in that the pressure of the seated seated for each part.

Description

METHOD AND APPARATUS FOR MEASURING AND EVALUATING SITTING POSTURE PROVIDING FEEDBACK}

The present invention relates to a method and apparatus for measuring and evaluating a sitting posture, and more particularly, to a method and apparatus for measuring, evaluating and feedbacking a sitting posture that provides feedback on posture correction by measuring and evaluating a sitting posture. will be.

If the muscles are reduced and the soft tissues around the joints are hardened due to drunken or wrong lifestyle or working environment, the balance of the joints is broken and the posture change occurs. This postural change causes musculoskeletal pain due to living body stress.

In long periods of study or work, most physical fatigue and discomfort such as neck and back originate from incorrect posture. Given that most of the time you study or work in a chair, it is important to have a habit of sitting upright, but most of the time, even if you know how to sit properly, you are unfamiliar.

In order to correct such an incorrect posture, chairs or desks are made ergonomically, but the posture correction effect is halved because no warning can be given to those who habitually take the wrong posture.

In addition, such a chair or a desk has a space limitation because a person moving to another place cannot affect the posture correction of the user.

Republic of Korea Patent Publication No. 10-2015-0072957 (Invention name: posture measuring method and apparatus according thereto, system according)

Accordingly, an object of the present invention is to provide a method and apparatus for measuring, evaluating and feedbacking a sitting posture capable of providing feedback regarding the seating, sitting, and evaluation of a sitting posture. It is done.

In addition, another object of the present invention is to provide a method and apparatus for measuring, evaluating, and feedbacking a sitting posture, which is connected to a display or a smart phone and is capable of providing feedback information regarding posture correction.

However, technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly to those skilled in the art from the following description. It can be understood.

The present invention was created to improve the problems of the prior art as described above, as a method for measuring and evaluating the usage of the seated person's posture and use time of the user when the user is seated on the chair, a smart chair equipped with a pressure sensor A seating step in which the user is seated at the; A pressure signal detecting step of detecting a pressure signal applied to the smart chair when the user is seated in the smart chair through the pressure sensor; A signal transmission step of transmitting a pressure signal of the seated person detected in the pressure signal detection step to a controller associated with the pressure sensor; A posture analysis step of measuring and analyzing the posture of the seated person using the pressure signal transmitted from the controller; And a feedback information providing step of providing information on feedback through an output unit under the control of the controller according to the attitude information of the seated person analyzed in the posture analysis step, wherein the pressure sensor comprises the smart chair. It is installed on the front, rear and both sides of the seating portion, respectively, is in close contact with the buttocks of the seated in three dimensions, it is connected to the controller can sense the pressure of the seated part by part.

In addition, in the feedback information providing step, the vibration motor as the output unit may be embedded in the smart chair according to the posture information of the seated person analyzed in the posture analysis step to provide alarm feedback.

In addition, the providing of the feedback information may provide information about the feedback through the display which is the output unit according to the posture information of the seated person analyzed in the posture analysis step.

The feedback information providing step may include a posture correction notification step of analyzing a posture of the seated person detected by the pressure sensor in the controller and informing a posture to be corrected through the display.

In addition, the providing of the feedback information may include a seating time display step of detecting a seating time of the seated person by a time sensing sensor installed in the smart chair under the control of the controller and displaying it on the display.

The providing of the feedback information may include: an exercise time notification step of notifying the exercise time through the display when the set time elapses by analyzing the posture of the seated person under the control of the controller.

The feedback information providing step may include: a posture correction notification step of analyzing a posture of the seated person detected by the pressure sensor in the controller and informing a posture to be corrected through the display; A seating time display step of detecting a seating time of the seated person by a time detecting sensor installed in the smart chair under the control of the controller and displaying the seating time on the display; And an exercise time notification step of notifying the exercise time through the display when the set time elapses by analyzing the posture of the seated person under the control of the controller.

In addition, the posture correction notification step, the front-biased detection step of detecting and informing that the pressure is concentrated on the front side pressure sensor under the control of the controller to the forward position of the seated person; A side-biased detection step of detecting and informing that the pressure of the seated side of the seated person is biased toward each side by concentrating pressure on each side pressure sensor under control of the controller; And a rear bias detection step of detecting and informing that the load of the seat pressure is concentrated on the rear pressure sensor by the control of the controller and indicating that the seated person's posture is biased backwards.

The controller may wirelessly receive the pressure signal sensed by the pressure sensor with a wireless communication module.

The controller may analyze the pressure signal detected by the pressure sensor and wirelessly transmit the posture correction information of the seated person to the output unit or the smart phone using the wireless communication module.

In addition, the pressure sensors may determine the seated person sitting at the set position when the smart chair is seated by setting the range of the measured value ratio and the numerical value, and may notify the user by vibration or sound.

In addition, a part of the smart chair is provided with a button, when the seated person is sitting in the correct posture by pressing the button can store the value of the correct posture.

In addition, the output unit may recognize the main occupant using a beacon and may inform the seated occupant when the main occupant is not.

In addition, the controller may store and store information on the seating posture of the day, daily, weekly and monthly occupants.

Apparatus for measuring and evaluating the user's seat posture and usage time when the user is seated on a chair, which is installed at the front, rear, and both sides of the seat, and adhered to the buttocks' hips in three dimensions to be applied by the seater. Smart chair equipped with a pressure sensor for detecting the pressure in parts; A controller connected to the smart chair to receive and analyze a pressure signal through the pressure sensor; And an output member informing feedback information according to the posture information of the seated occupant and the posture information under the control of the controller.

The output member may include a vibration motor provided in the smart chair to provide an alarm feedback on a seating signal of a seated person detected by the pressure sensor.

The output member may include a display that displays and informs feedback information according to posture information and posture information of the seated occupant.

The controller may include a wireless communication module that wirelessly receives the pressure signal detected by the pressure sensor.

The controller may analyze the pressure signal detected by the pressure sensor and wirelessly transmit the posture correction information of the seated person to the output member or the smart phone using the wireless communication module.

According to an embodiment of the present invention, the smart chair is provided through a pressure sensor connected to the controller to monitor and analyze the posture of the seated occupant and provide feedback information regarding posture correction in real time through a display or a smartphone.

In addition, according to an embodiment of the present invention, when the seated person is sitting more than the time set in the smart chair through the display or the smart phone under the control of the controller can be displayed to inform the time or exercise.

However, the effects obtained in the present invention are not limited to the above-mentioned effects, and other effects not mentioned above will be clearly understood by those skilled in the art from the following description. Could be.

The following drawings, which are attached in this specification, illustrate preferred embodiments of the present invention, and together with the detailed description of the present invention, serve to further understand the spirit of the present invention. It should not be construed as limited to.
1 is an overall conceptual diagram of a method and apparatus for measuring and evaluating a sitting posture according to an embodiment of the present invention.
2 is a flowchart of a method for measuring, evaluating and feedbacking a sitting posture according to an exemplary embodiment of the present invention.
3 is a block diagram illustrating detailed feedback information included in the feedback information providing step.
4 is a block diagram showing information on a posture detected in the posture correction alarm step.
5 is a diagram illustrating a posture of a seated person detected for each pressure sensor of the smart seat.
6 is a block diagram of a device for measuring, evaluating, and feeding back a sitting position according to an exemplary embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. However, since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, since the embodiments may be variously modified and may have various forms, the scope of the present invention should be understood to include equivalents for realizing the technical idea. In addition, the objects or effects presented in the present invention does not mean that a specific embodiment should include all or only such effects, the scope of the present invention should not be understood as being limited thereby.

The meaning of the terms described in the present invention will be understood as follows.

Terms such as "first" and "second" are intended to distinguish one component from another component, and the scope of rights 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. When a component is referred to as being "connected" to another component, it should be understood that there may be other components in between, although it may be directly connected to the other component. On the other hand, when a component is said to be "directly connected" to another component, it should be understood that there is no other component in between. On the other hand, other expressions describing the relationship between the components, such as "between" and "immediately between" or "neighboring to" and "directly neighboring", should be interpreted as well.

Singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and terms such as "include" or "have" refer to features, numbers, steps, operations, components, parts, or parts thereof described. It is to be understood that the combination is intended to be present and does not exclude in advance the possibility of the presence or addition of one or more other features or numbers, steps, actions, components, parts or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. Generally, the terms defined in the dictionary used are to be interpreted to coincide with the meanings in the context of the related art, and should not be interpreted as having ideal or excessively formal meanings unless clearly defined in the present invention.

1 is a general conceptual diagram of a method and apparatus for measuring and evaluating a sitting posture according to an embodiment of the present invention, and FIG. 2 is a flowchart of a method for measuring and evaluating a sitting posture according to an embodiment of the present invention. 3 is a block diagram showing detailed feedback information included in the feedback information providing step, FIG. 4 is a block diagram showing information on a posture detected in the posture correction alarm step, and FIG. 5 is the smart sheet. FIG. 6 is a view illustrating a posture of a seated person detected for each pressure sensor, and FIG. 6 is a block diagram illustrating a device for measuring and evaluating a seated posture according to an embodiment of the present invention.

As shown in Figures 1 to 6, as a method for measuring and evaluating the usage of the user's seated posture and use time when the user is seated on the chair, the present invention is a seating step (S100), pressure signal detection step ( S200), the signal transmission step (S300), posture analysis step (S400) and feedback information providing step (S500) can be made.

Seating step (S100) is a step in which the user is seated on the smart chair 100 is provided with a pressure sensor (30).

The pressure sensor 30 is installed on the front, rear, and both sides of the seating part of the smart chair 100, and is closely adhered to the hip of the seated person three-dimensionally, and connected to the controller 200 to sense the seated person's pressure for each part.

Specifically, even if the seated person's waist (trunk) is in a different posture, the pressure measured by the sensor may have a similar value, thereby reducing the sensitivity of the bad posture detection. Accordingly, the sensor can be three-dimensionally contacted to the hip (buttock) area (high pressure), and the sensitivity of the pelvis and lumbar spine change can be improved by comparing the difference.

The pressure signal detecting step S200 is a step of detecting a pressure signal applied to the smart chair 100 when the user is seated in the smart chair 100 through the pressure sensor 30.

The signal transmission step S300 is a step of transmitting the pressure signal of the seated person detected in the pressure signal detection step S200 to the controller 200 associated with the pressure sensor 30.

The posture analysis step (S400) is a step of measuring and analyzing a seated person's posture through a pressure signal transmitted from the controller 200.

The feedback information providing step S500 is a step of providing information on feedback through an output unit connected to the controller 200 by the control of the controller 200 according to the attitude information of the seated person analyzed in the posture analysis step S400. .

In the feedback information providing step S500, the vibration motor, which is an output unit, may be embedded in the smart chair 100 according to the posture information of the seated person analyzed in the posture analysis step S400 to provide alarm feedback.

In addition, the feedback information providing step S500 may provide information about the feedback through a display which is an output unit according to the posture information of the seated person analyzed in the posture analysis step S400.

Feedback information providing step (S500) may include a posture correction notification step (S510).

Posture correction notification step (S510) is a step of informing the posture to be corrected through the display 300 by analyzing the posture of the seated person detected by the pressure sensor 30 in the controller (200).

Specifically, the smart chair 100 provides feedback in real time to correct the posture when the condition (how much out of the correct posture, how long it has been in the state, etc.) determined by the control of the controller 200 is reached. .

The posture correction notification step S510 may include a front bias detection step S512, a side bias detection step S514, and a rear bias detection step S516.

The front bias detection step (S512) is a step of detecting and notifying that the seat posture is biased forward by concentrating pressure on the front pressure sensor 30 under the control of the controller 200.

Lateral bias detection step (S514) is a step of detecting and notifying that the position of the seated person is biased to each of the two sides by the pressure is concentrated on each side pressure sensor 30 by the control of the controller 200.

The rear bias detection step (S516) is a step in which a load is concentrated on the rear side pressure sensor 30 under the control of the controller 200 to detect and inform that the seated person's posture is biased backwards.

The feedback information providing step S500 may include a seating time display step S520.

Seating time display step (S520) is a step of detecting the seating time of the seated by the time sensor installed in the smart chair 100 by the control of the controller 200 to display through the display.

In other words, Coaching is possible to detect a case of sitting continuously for a certain time regardless of posture and to get up for a while to walk or stretch.

Feedback information providing step (S500) may include an exercise time notification step (S530).

Exercise time notification step (S530) is a step of informing the exercise time through the display by analyzing the posture of the seated under the control of the controller 200.

That is, the controller 200 detects a pressure signal applied to each pressure sensor 30 provided in the smart chair 100 and determines a predetermined condition (how far from the correct posture, how long has it been in the state, etc.) As soon as the feedback information to correct the posture can be provided to the seated person in real time through the display or the smart phone (50).

In addition, the feedback information providing step (S500) of the present invention may include all of the posture correction notification step (S510), sitting time display step (S520) and exercise time notification step (S530).

The output unit may recognize the main occupant by using a beacon, and may notify the seated occupant through the vibration motor, the display, and the smartphone 50 as the output unit.

Here, beacon (Beacon) is a smart phone short-range communication technology that enables the transmission of messages, mobile payments to find the location of the user within a radius of 50 ~ 70m range. It has longer distance than NFC (Near Field Communication), which is suitable for O2O service connecting online and offline. Using this technology, guide services, mobile coupons, etc. can be used at specific places. The low power consumption of the smartphone also consumes less battery, and it has the advantage of more precise positioning in the room than GPS.

The controller 200 may wirelessly receive the pressure signal detected by the pressure sensor 30 with the wireless communication module 220.

The controller 200 may analyze the pressure signal detected by the pressure sensor 30 and transmit the posture correction information of the seated person wirelessly to the output unit or the smartphone 50 using the wireless communication module 220.

The wireless communication module 220 may be one of a Wi-Fi communication module, a Bluetooth communication module, and a Zigbee communication module.

In particular, Bluetooth communication module includes Bluetooth Low Energy (BLE), which can dramatically reduce power consumption.

Therefore, a single mode product (Bluetooth Smart) that can be used for sports, healthcare, sensors, device control, etc., and a dual mode product (Bluetooth Smart Ready) in which existing Bluetooth and BLE technologies exist simultaneously are possible.

Bluetooth is divided into Bluetooth Smart, which acts as a sensor in single mode, and Bluetooth Smart Ready, which acts as a host in dual mode.

Bluetooth smart devices are designed to collect specific information, such as windows locked, and how much my insulin levels are, and send them to Bluetooth smart ready devices, which can be used in heart rate monitors, blood pressure bracelets, security sensors, car keychains, fitness and exercise sensors. .

Bluetooth Smart Ready devices are an effective way to connect with Bluetooth devices and the daily pouring of Bluetooth smart devices. It is a hub that collects and converts data sent by Bluetooth devices or Bluetooth smart devices into useful information and sends them to other devices. Battery-powered devices such as home monitoring, healthcare devices, and thermostats are connected via Bluetooth Smart, while PCs, smartphones, laptops, and tablets are set up as Bluetooth Smart Ready.

In detail, the controller 200 and the smartphone 50 or the display 300 connected through the BLE may provide feedback to the seated person in real time through vibration or push notifications or images.

In the method of measuring and evaluating a sitting posture of the present invention, the pressure sensors 30 have a range of measured value ratios and values to determine that the seated person is seated at a set position when seated in the smart chair 100, or the vibration or the like. I can tell you by sound.

In addition, by having a button on a part of the smart chair 100, when the seated person sits in the correct posture, it is possible to store the value of the correct posture by pressing the button.

That is, it is possible to prevent a person having a different weight or the same person sitting in a slightly different position by using the method as described above, and the measurement value of the sensor is changed so that an error in posture determination occurs.

In addition, the controller may store data on the seating posture of the seated person on the day, day, week, and month.

That is, the present invention can be stored in a controller or a management server data stored in the posture measurement and calibration information accumulated through the above method.

Therefore, a posture evaluation report based on posture data of the day, daily, weekly and monthly is generated and displayed on a smartphone and a PC, and relevant musculoskeletal related contents can be built and used for continuous personalized correction for each individual.

As shown in FIG. 6, as a device for measuring and evaluating the usage of the seated person's posture and usage time when the user is seated on the chair, the present invention provides a smart chair 100, a controller 200, and an output member ( 300).

The smart chair 100 may be installed at the front, rear, and both sides of the seating unit, respectively, and may be provided with a pressure sensor 30 that is in close contact with the buttocks of the seat and detects the pressure exerted by the seating unit.

The controller 200 may be connected to the smart chair 100 to receive and analyze the pressure signal through the pressure sensor 30.

The controller 200 may include a beacon 210 and a wireless communication module 220.

If the beacon 210 recognizes the main user and is not the main user, the beacon 210 may be displayed on the vibration motor, the display 300 or the smartphone 50, which is the output member 300, to inform the seated person.

The wireless communication module 220 may wirelessly receive the pressure signal detected by the pressure sensor 30.

Therefore, the controller 200 analyzes the pressure signal detected by the pressure sensor 30 and wirelessly transmits the posture correction information of the seated person to the output member 300 or the smart phone 50 using the wireless communication module 220. Can be.

The output member 300 may inform feedback information according to the posture information of the seated person and the posture information under the control of the controller 200.

The output member 300 may be a vibration motor provided in the smart chair 100 to provide alarm feedback on the seating signal of the seated person detected by the pressure sensor 30.

In addition, the output member 300 may be a display that displays and informs the feedback information according to the posture information and posture information of the seated person;

The detailed description of the preferred embodiments of the invention disclosed as described above is provided to enable those skilled in the art to implement and practice the invention. Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art will understand that various modifications and changes can be made without departing from the scope of the present invention. For example, those skilled in the art can use each of the components described in the above-described embodiments in combination with each other. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The invention can be embodied in other specific forms without departing from the spirit and essential features of the invention. Accordingly, the above detailed description should not be construed as limiting in all aspects and should be considered as illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention. The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. In addition, the claims may be combined with claims that do not have an explicit citation relationship in the claims, or may be incorporated into new claims by amendment after filing.

10: feedback device
30: pressure sensor
50: smartphone
100: smart chair
200: controller
210: wireless communication module
300: output member

Claims (19)

A smart chair equipped with a pressure sensor measures and evaluates the occupant's posture and sun during use time
A pressure signal detecting step of detecting a pressure signal applied to the smart chair when the user is seated in the smart chair through the pressure sensor;
A signal transmission step of transmitting a pressure signal of the seated person detected in the pressure signal detection step to a controller associated with the pressure sensor;
A posture analysis step of measuring and analyzing the posture of the seated person using the pressure signal transmitted from the controller; And
And a feedback information providing step of providing information on feedback through an output unit under the control of the controller according to the attitude information of the seated person analyzed in the posture analysis step.
The pressure sensor,
It is installed on the front, rear and both sides of the smart chair seating part, respectively, is in close contact with the buttocks of the seat, three-dimensional, connected to the controller to sense the seated person's pressure by part,
When the seating of the user is detected, it is determined whether the seating position of the user is a preset position and notified by vibration or sound, wherein the preset position is a value of the measured value ratio and the numerical value when the user is seated at a specific position. Is based on scope,
The smart chair,
And a button for storing the value of the correct posture measured when the seated person is seated in a correct posture.
The method of claim 1,
The feedback information providing step,
The vibration motor as the output unit is embedded in the smart chair according to the posture analysis information analyzed in the posture analysis step to measure and evaluate the sitting posture, characterized in that to provide an alarm feedback.
The method of claim 1,
The feedback information providing step,
And measuring and evaluating a seated posture according to the posture information analyzed in the posture analysis step, providing information on feedback through the display which is the output unit.
The method of claim 3, wherein
The feedback information providing step,
And a posture correction reminding step of analyzing a posture of the seated person detected by the pressure sensor in the controller and informing a posture to be corrected through the display.
The method of claim 3, wherein
The feedback information providing step
A seating time display step of detecting a seating time of the seated person by a time detecting sensor installed in the smart chair under the control of the controller and displaying the seating time on the display; How to.
The method of claim 3, wherein
The feedback information providing step,
A method of measuring and evaluating a sitting posture, characterized in that it comprises a; exercise time notification step of notifying the exercise time through the display when the set time elapses by analyzing the posture of the seated by the control of the controller; .
The method of claim 3, wherein
The feedback information providing step,
A posture correction notification step of analyzing a posture of the seated person detected by the pressure sensor in the controller and informing a posture to be corrected through the display;
A seating time display step of detecting a seating time of the seated person by a time detecting sensor installed in the smart chair under the control of the controller and displaying the seating time on the display; And
A method of measuring and evaluating a sitting posture, characterized in that it comprises a; exercise time notification step of notifying the exercise time through the display when the set time elapses by analyzing the posture of the seated by the control of the controller; .
The method of claim 4, wherein
The posture correction notification step,
A front bias detection step of detecting and informing that the pressure of the front side pressure sensor is concentrated by the control of the controller and the posture of the seated person is biased forward;
A side-biased detection step of detecting and informing that the pressure of the seated side of the seated person is biased toward each side by concentrating pressure on each side pressure sensor under control of the controller; And
A rear bias detection step of detecting and informing that the load is concentrated on the rear pressure sensor under the control of the controller and indicating that the seated person's posture is biased backward; measuring and evaluating a sitting posture, characterized in that it comprises a feedback How to.
The method of claim 1,
The controller,
Measuring and evaluating the seated posture, characterized in that for receiving the pressure signal detected by the pressure sensor wirelessly provided with a wireless communication module.
The method of claim 9,
The controller,
Analyzing the pressure signal sensed by the pressure sensor and using the wireless communication module posture correction information of the seated to the output unit or a smart phone, characterized in that to measure and evaluate the sitting position to feed back.
delete delete The method of claim 1,
The output unit measures and evaluates a sitting posture, characterized in that the beacon recognizes the primary occupant and notifies the occupant when the primary occupant is not.
The method of claim 1,
The controller measures, evaluates, and feeds back a sitting posture, characterized in that the information on the seating posture of the day, daily, weekly and monthly occupants is stored as data.
A device for measuring and evaluating the occupant's posture and usage time during use time,
Smart chairs are installed at the front, rear and both sides of the seating unit and are in close contact with the buttocks of the seating in three dimensions to detect the pressure applied by the seating unit for each part.
A controller connected to the smart chair to receive and analyze a pressure signal through the pressure sensor; And
And an output member informing feedback information according to the posture information of the seated person and the posture information under the control of the controller.
The pressure sensor,
When the seating of the user is detected, it is determined whether the seating position of the user is a preset position and notified by vibration or sound, wherein the preset position is a value of the measured value ratio and the numerical value when the user is seated at a specific position. Is based on scope,
The smart chair,
A device for measuring, evaluating, and feedbacking a seated posture, comprising a button for storing a value of the correct posture measured when the seated person is seated in a correct posture.
The method of claim 15,
The output member,
And a vibration motor provided in the smart chair to provide an alarm feedback on a seating signal of the seated person detected by the pressure sensor.
The method of claim 15,
The output member,
And a display for displaying and informing feedback information according to the posture information and posture information of the seated occupant.
The method of claim 15,
The controller,
And a wireless communication module for wirelessly receiving the pressure signal detected by the pressure sensor.
The method of claim 18,
The controller,
A device for measuring, evaluating and feedbacking a sitting posture, characterized in that the pressure signal detected by the pressure sensor is analyzed and the posture correction information of the seated person is wirelessly transmitted to the output member or the smart phone using the wireless communication module. .

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