CN103544819A - A method, device, desk lamp, desk and electronic product for reminding bad sitting posture - Google Patents

Abstract

The invention discloses a method and a device for reminding bad sitting posture, a desk lamp, a desk and an electronic product, wherein the method comprises the following steps: acquiring sitting posture information of a user; analyzing the sitting posture information and determining the sitting posture state of the user; and when the sitting posture state of the user is determined to be an undesirable state, the airflow is sprayed out according to a preset mode to remind the user to correct the undesirable sitting posture. By the scheme of the invention, when the sitting posture of the user is in an unfavorable state, the user is reminded in a mode of ejecting the air flow, so that the user can unconsciously correct the bad habits of influencing the eyesight, such as the bad sitting posture, the eye using distance and the like.

Description

A method, device, desk lamp, desk and electronic product for reminding bad sitting posture

technical field

The invention relates to the field of health care equipment, in particular to a method, a device, a desk lamp, a desk and electronic products capable of reminding and correcting bad sitting postures.

Background technique

According to a survey by the National Bureau of Statistics in 2006, the proportion of myopia among elementary school students in my country is 34% to 61%, that of junior high school students is 68%, and that of key high school students is as high as 90%. Moreover, with the development and popularization of electronic products such as smart phones and tablet computers, the proportion of students who are short-sighted is getting higher and higher. Myopia is becoming a common concern for many parents.

At present, some methods and products to prevent myopia have appeared, such as desk lamp sitting posture reminder, students' desks and chairs matching sitting posture and prevention of myopia, special sitting posture corrector, anti-myopia film for mobile phones/computers and other electronic products, camera testing and certification, etc. Correcting the child's sitting posture can prevent myopia. However, the existing methods and products for preventing myopia are only passive reminders (such as voice reminders, automatically turning off desk lamps when the eyes are too close, etc.) For example, the voice reminder during the learning process will disturb the child's thinking, which is easy to cause resistance, and the reminder process is not completed in a friendly interactive way, and it is easy to affect the people around. Generally speaking, the existing methods and products for preventing myopia cannot allow children to unconsciously correct bad habits such as poor sitting posture and eye distance that lead to myopia.

Contents of the invention

The purpose of the present invention is to provide a method, device, desk lamp, desk and electronic product for reminding bad sitting posture, which can allow users to correct bad habits such as bad sitting posture and eye distance that affect eyesight unconsciously.

For reaching this purpose, the present invention adopts following technical scheme:

A way to remind yourself of poor sitting posture, including:

Obtain the user's sitting posture information;

analyzing the sitting posture information and determining the sitting posture state of the user;

When it is determined that the user's sitting posture is in a bad state, the airflow is ejected according to a preset pattern to remind the user to correct the bad sitting posture.

Wherein, when it is determined that the user's sitting posture is in a bad state, jetting airflow according to a preset pattern to remind the user to correct the bad sitting posture, it also includes:

When it is determined that the user has corrected the bad sitting posture, the air jet is stopped.

Wherein, the jetting of the airflow according to the preset mode is specifically:

The airflow is intermittently ejected according to the preset time interval, and the direction of the airflow is consistent with the direction of the user's head-up;

And, each time when the preset time interval arrives, it is judged whether the number of air injections reaches the preset upper limit, and if so, the air injection is stopped, and the warning information is output by control; otherwise, the air injection is performed again.

Wherein, after analyzing the sitting posture information and determining the user's sitting posture state, it also includes:

Display the user's sitting posture status information.

Another aspect of the present invention also provides a device for reminding bad sitting posture, including a monitoring device, a control device and an air injection device,

The monitoring device is used to acquire user's sitting posture information;

The control device is used to analyze the sitting posture information and determine the user's sitting posture state, and when it is determined that the user's sitting posture state is in a bad state, send an activation signal to the air injection device;

The air jet device is used to jet airflow according to a preset pattern to remind the user to correct bad sitting posture.

Wherein, the control device is further configured to, when it is determined that the user has corrected the bad sitting posture, send a shutdown signal to the air spray device, so that the air spray device stops blowing air.

Among them, it also includes an alarm device;

The air jet device is specifically used to intermittently jet airflow according to a preset time interval, and the direction of the jetted airflow is consistent with the direction in which the user raises his head;

The control device is also used to judge whether the number of air injections reaches the preset upper limit each time the preset time interval arrives, and if so, send a closing signal to the air injection device to control the air injection device to stop the air injection, and send the air to the air injection device. The alarm device sends an alarm signal;

The alarm device is configured to output corresponding alarm information when receiving the alarm signal.

Wherein, a state display device is also included, which is used to display the user's sitting posture state information.

Wherein, the monitoring device includes: a camera, an infrared sensor and an ultrasonic range finder.

Wherein, the status display device is a liquid crystal screen and or an LED status light.

A desk lamp includes the device for reminding to correct bad sitting posture, so as to remind users to correct bad sitting posture.

A desk includes the device for reminding to correct the bad sitting posture, so as to remind the user to correct the bad sitting posture.

An electronic product includes the device for reminding to correct the bad sitting posture, so as to remind the user to correct the bad sitting posture.

Implementing the embodiment of the present invention has the following beneficial effects:

The embodiment of the present invention detects the user's sitting posture information in real time and analyzes the user's sitting posture state, and when the user's sitting posture state is in a bad state, the user is reminded to correct the bad sitting posture by blowing out airflow. Because the air jet interaction method is used to remind the bad sitting posture, the user can feel the airflow through the touch and complete the process of correcting the sitting posture by inertially raising the head and straightening the back. There is no need to process the reminder information again psychologically, which reduces the interference to the user's thinking. , so that users can unconsciously correct bad habits such as poor sitting posture and eye distance that affect eyesight; at the same time, they will not disturb others.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only For some embodiments of the present invention, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a flowchart of an embodiment of a method for reminding bad sitting posture of the present invention.

Fig. 2 is a flowchart of another embodiment of a method for reminding bad sitting posture of the present invention

Fig. 3 is a structural schematic diagram of an embodiment of a device for reminding bad sitting posture according to the present invention.

Detailed ways

The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to FIG. 1 . FIG. 1 is a flow chart of a method for reminding bad sitting posture in this embodiment. The method of the present embodiment comprises the steps:

Step S1 , acquiring the user's sitting posture information. The sitting posture information includes information such as the user's sitting posture, eye distance, fatigue degree, etc., and the user's fatigue degree information during work/study can be obtained according to the duration of the sitting posture, eye blinking frequency, etc.

Step S2, analyzing the sitting posture information and determining the sitting posture state of the user.

Process, judge and identify the acquired sitting posture information to determine whether the current sitting posture state of the user is a bad state. Specifically, it may be determined whether the current user's sitting posture state is in a bad state by comparing the processed sitting posture information with preset standard parameters. The bad sitting posture in the embodiment of the present invention includes situations such as improper sitting posture, too close eye distance, and too long time of eye use.

Step S3 , when it is determined that the user's sitting posture is in a bad state, eject airflow according to a preset pattern to remind the user to correct the bad sitting posture.

Preferably, in this embodiment, when it is determined that the user's sitting posture is in a bad state, the airflow is intermittently ejected according to the preset time interval, and the direction of the ejected airflow is consistent with the direction of the user's head-up; and, each time when the preset When the time interval arrives, judge whether the number of jets reaches the preset upper limit, if so, stop jetting, control and output warning information; otherwise, jet again. The intermittent air jet can strengthen the warning effect and urge the user to improve the sitting posture. The user only needs to raise the head in the direction of the air jet to correct the bad sitting posture unconsciously. Moreover, the effect of each air jet may be inconsistent, such as increasing the wind speed and wind pressure of the jet airflow successively according to the preset program. Moreover, in the case of repeated air injection reminders without results, the air injection can be stopped, and a stronger warning message other than the air injection can be output. Moreover, the airflow ejected in this embodiment is preferably a thin and windy airflow, so as to avoid weakening the reminder effect due to the effect of a large-area airflow similar to a fan.

Further, after the user's sitting posture state is determined in this embodiment, the user's sitting posture state information is also controlled to be displayed, so that the user can know the current sitting posture state in real time.

In order to explain the method for reminding to correct bad sitting posture of the present invention in more detail, please refer to FIG. 2 , the present invention provides another embodiment to further illustrate the method for reminding to correct bad sitting posture of the present invention. The specific process is as follows:

S21. Real-time acquisition of sitting posture information such as the user's sitting posture, eye distance, and fatigue information, which can be realized through monitoring devices such as cameras, infrared sensors, and ultrasonic rangefinders.

S22, determine the user's sitting posture state, and display the user's sitting posture state information in real time.

S23, judging whether a jet reminder is needed? If yes, execute the next step, otherwise, return to step S23. That is, when it is determined that the user's sitting posture is in a bad state, execute the next step; otherwise, return to step S23.

S24, performing an air jet. The duration of one jet of air in this embodiment can be 1-3 seconds, preferably 1 second.

S24, is this jet reminder effective? If so, stop jetting and end this reminder process. Otherwise, go to the next step. That is, when it is determined that the user has corrected the bad sitting posture, stop the jet and end the reminder process; otherwise, go to the next step.

S25, when the preset time interval arrives, is it judged whether the number of jets reaches the preset upper limit? If yes, execute the next step, otherwise, return to step S24. In this embodiment, the preset upper limit may be 6 times, 8 times or 10 times, etc., and the preset time interval may be 2 seconds.

S27, stop jetting, and output corresponding warning information. That is, a stronger reminder method other than jet is used to remind the user to correct the sitting posture.

S28, end.

Through the above-mentioned embodiment, when the user's sitting posture is in a bad state, the user is reminded to correct the bad sitting posture by jetting airflow, allowing the user to sense the airflow through the sense of touch and inertially raise the head and straighten the back to complete the process of correcting the sitting posture. The reminder information is processed again to reduce the interference to the user's thinking, so that the user can unconsciously correct bad habits such as bad sitting posture and eye distance that affect the eyesight; at the same time, it will not affect the people around.

Based on the method for reminding to correct bad sitting posture in the above embodiment, the present invention also provides an embodiment of a device for reminding bad sitting posture. Please refer to FIG. 3 , the device for reminding to correct bad sitting posture in this embodiment specifically includes: a monitoring device 1 , a control device 2 and an air injection device 3 . Wherein, the monitoring device 1 is used to obtain user's sitting posture information, such as user's sitting posture, eye distance and fatigue degree. During specific implementation, the user's fatigue degree information during work/study can be obtained by obtaining the duration of the sitting posture, the frequency of blinking, and the like. The control device 2 processes and analyzes the sitting posture information of the monitoring device 1, determines the user's sitting posture state, and sends an activation signal to the air spray device 3 when the determined user's sitting posture state is in a bad state. After receiving the start signal, the jetting device 3 jets out airflow according to a preset pattern to remind the user to correct bad sitting posture.

Preferably, the airflow ejected by the air injection device 3 in this embodiment is a thin and windy airflow, so as to avoid weakening the reminding effect due to the effect of a large-area airflow similar to a fan. And after the jetting device 3 receives the start signal, it jets out the air flow intermittently according to the preset time interval, and the effect of reminding and warning can be strengthened through the intermittent jetting. Preferably, the direction of the airflow ejected by the air jet device 3 is consistent with the direction in which the user raises the head, and the user only needs to raise the head along the direction of the air jet to correct bad sitting posture unconsciously.

The device in this embodiment uses an interactive method of ejecting a specific airflow to remind the user to correct the sitting posture when the user's sitting posture is bad, allowing the user to perceive the airflow through the sense of touch and inertially raise the head, straighten the back, etc. to complete the process of correcting the sitting posture. Since human touch is the most instinctive way to receive environmental signals, and it avoids frequent sound reminders to disturb users' thinking and make users feel psychologically irritated, it is especially suitable for users of a specific age group such as children.

Preferably, in the present embodiment, if a jetting process does not make the user improve the sitting posture, then jetting again according to the preset time interval, and urging the user to improve the sitting posture through multiple jetting, and the effect of each jetting can be inconsistent, such as according to the preset time interval. The established program gradually increases the wind speed and wind pressure of the ejected airflow. Preferably, the air injection device 3 in this embodiment sprays air every time for 1 second, and the preset time interval is 2 seconds. It can not only achieve the effect of reminding, but also minimize the interference to the normal study and work of the user, and at the same time, help to save the energy consumption of the whole device.

Further, the device of the present invention can control the air injection device 3 to stop the air injection in the case of repeated air injection reminders to no avail. more intense disturbing device. Preferably, the device in this embodiment also includes an alarm device 5. When it is detected that the number of air injections of the air injection device 3 reaches a preset upper limit (such as 6 times, 8 times or 10 times, etc.), the control device 2 will The air injection device 3 sends a closing signal, and can also send an alarm signal to the corresponding alarm device 5 at the same time. If the air injection device 3 does not receive the closing signal, it will inject air again when the preset time interval arrives, and if it receives the closing signal, it will stop the air injection. Alarm device 5 outputs corresponding warning information after receiving said alarm signal, and alarm device 5 of the present invention can be LED warning light, buzzer, voice broadcasting device etc., promptly outputs corresponding light indicating signal after receiving alarm signal Or sound signal reminds user to correct bad sitting posture. Through the reminding mode of the alarm device 5 and the jet device 3, the reminding effect to the user is strengthened. During specific implementation, also can coordinate in the device of reminding to correct bad sitting posture and be provided with a control alarm device 5 opening/closing switch key, be convenient to turn off the reminding function of alarm device 5 when not wishing strong reminder signal, so as not to affect others.

Preferably, the device for reminding to correct bad sitting posture in the embodiment of the present invention may also include a status display device 4 for displaying the user's sitting posture status information. By displaying the current user's sitting posture, eye distance, duration of sitting posture, fatigue and other information in real time, the user can actively view the current sitting posture status information, and cooperate with the jet reminder function of the jet device 3 to jointly form a "status + result feedback" system Reminder scheme. The status display device 4 of this embodiment can be a liquid crystal screen and or an LED status light.

The monitoring device 1 of the embodiment of the present invention can be a camera, an infrared sensor, an ultrasonic range finder, etc., or other devices capable of detecting user sitting posture, eye distance, fatigue and other sitting posture information, which is not limited in the present invention. The air injection device 3 of the embodiment of the present invention can be a device in the form of an electric motor + fan blade (ordinary fan), or a device in the form of an air doubling machine (the principle of a bladeless fan), or an electric motor drives a mechanical transmission, using a piston The device that moves to achieve a certain amount of airflow is not limited in the present invention. The control device 2 of this embodiment can receive signals from different monitoring devices 1, process, judge, identify, and finally convert them into control signals indicating whether a reminder is required. It should be noted that when the monitoring device 1 is a device for collecting a single type of data (such as an infrared detector), the control device 2 can also be just a circuit to complete the reminding function of controlling the jet of the jet device, without complicated processor. Therefore, such a monitoring device 1 + air jet device 3 used to complete the scheme of reminding the user of sitting posture all belong to the protection scope of the present invention.

Through the above-mentioned embodiment, when the user's sitting posture is in a bad state, the user is reminded to correct the bad sitting posture by jetting airflow, allowing the user to sense the airflow through the sense of touch and inertially raise the head and straighten the back to complete the process of correcting the sitting posture. The reminder information is processed again to reduce the interference to the user's thinking, so that the user can unconsciously correct bad habits such as bad sitting posture and eye distance that affect the eyesight; at the same time, it will not affect the people around.

The device for reminding to correct bad sitting posture in the above embodiments of the present invention can be used alone as a product, and can also be applied to any eye distance reminder, sitting posture reminder and other products. For example, it can be applied to electronic products such as desk lamps, desks, and mobile phones, so that the corresponding products have the function of reminding users to correct bad eye distance and sitting posture. The following will be described through specific embodiments. In the following embodiments of the present invention, a detailed description of the device for reminding to correct bad sitting posture is omitted. For details, reference may be made to the above-mentioned embodiments.

The present invention provides an embodiment of a desk lamp for reminding bad sitting posture. The desk lamp of this embodiment includes a light-emitting part, a desk lamp bracket and a desk lamp base, which constitute a whole desk lamp, and also includes the device for reminding and correcting bad sitting posture described in the above-mentioned embodiment .

Wherein, the device for reminding to correct bad sitting posture in this embodiment includes a monitoring device 1 , a control device 2 and an air injection device 3 . The monitoring device 1 is installed on the stand of the desk lamp to obtain information about the sitting posture of the user, such as the user's sitting posture, eye distance, and fatigue caused by the duration of learning. The control device 2 is arranged on the desk lamp base, and the air jet device 3 is arranged on the stand part of the desk lamp. When the control device 2 determines that the user's sitting posture is bad, the air jet device 3 is controlled to eject airflow to remind the user to correct the sitting posture.

Preferably, the device for reminding to correct bad sitting posture may also include a voice reminding device. Monitoring device 1 and air jet device 3 are all arranged on the stand part of the desk lamp, and control device 2 and voice reminder device are located at the base part of the desk lamp, and control device 2 is connected with described monitoring device 1, jet device 3 and voice reminder device. When it is determined that the user's sitting posture is bad, the jet device 3 ejects an airflow to remind the user to correct the sitting posture. When the child cannot correct the sitting posture by blowing air, the voice prompting device outputs corresponding voice information to attract parents to intervene, and help the child to improve through the parents. Or when you are tired from studying for a certain period of time, remind the child to take a rest through voice.

The desk lamp of this embodiment can also include a switch control device for controlling the power switch of the entire desk lamp and controlling the operation of the entire device for reminding to correct bad sitting posture. Preferably, the switch control device is arranged on the base of the desk lamp.

Wherein, the light-emitting element in this embodiment includes LED or energy-saving lamp, and a secondary optical part, which can emit light meeting lighting requirements.

Through the desk lamp of the above-mentioned embodiment, the user’s sitting posture state can be obtained by detecting the user’s sitting posture, eye distance, working/study duration and other information in real time. sitting posture. The user perceives the airflow through the sense of touch and inertially raises the head and straightens the back to complete the process of correcting the sitting posture. Psychologically, there is no need to process the reminder information again, which reduces the interference to the user's thinking and enables the user to unconsciously correct bad sitting posture and eye distance. and other bad habits that affect myopia; at the same time, it will not affect the surrounding crowd.

The present invention also provides an embodiment of a desk that reminds people of bad sitting posture. The desk in this embodiment includes a desk main body and a desktop. Partly, this form of desk helps the user to form a correct sitting posture. The desk of this embodiment also includes the device for reminding to correct bad sitting posture described in the above embodiment, so that the desk has the function of reminding the user to correct bad sitting posture.

Wherein, the device for reminding to correct bad sitting posture in this embodiment specifically includes a monitoring device 1 and an air jet device 3 connected to the monitoring device 1 , wherein the monitoring device 1 integrates the functions of the control device 2 . The monitoring device 1 and the air jet device 3 are both arranged on the desktop, and the monitoring device 1 obtains information about the user's sitting posture, eye distance, learning duration, etc. When it is determined that the user's sitting posture is bad, the jet device 3 ejects an airflow to remind the user to correct the sitting posture.

The desk of this embodiment also includes a switch control device, which is used to control the operation of the device for reminding to correct bad sitting posture. Preferably, the switch control device is provided on the main body of the desk.

Through the desk of this embodiment, information such as the user's sitting posture, eye distance and working/study duration can be detected in real time to obtain the user's sitting posture state, and when the user's sitting posture is in a bad state, the user will be reminded by jetting air Correct bad sitting posture. The user perceives the airflow through the sense of touch and inertially raises the head and straightens the back to complete the process of correcting the sitting posture. Psychologically, there is no need to process the reminder information again, which reduces the interference to the user's thinking and enables the user to unconsciously correct bad sitting posture and eye distance. and other bad habits that affect eyesight; at the same time, it will not affect the surrounding crowd.

The present invention also provides an embodiment of an electronic product for reminding bad sitting posture. The electronic product includes a terminal body, and a display screen is arranged on the front of the terminal body. The electronic product also includes the device for reminding to correct bad sitting posture described in the above embodiment, so that the electronic product has the function of reminding the user to correct bad sitting posture.

The device for reminding to correct bad sitting posture in this embodiment specifically includes a monitoring device 1 and an air jet device 3 connected to the monitoring device 1 , wherein the monitoring device 1 also integrates the functions of the control device 2 . The monitoring device 1 and the air injection device 3 are both arranged on the front of the terminal body, that is, the side with the display screen. The monitoring device 1 obtains information about the user's sitting posture, eye distance, fatigue, etc. When it is determined that the user's sitting posture is bad, the airflow is ejected to remind the user to correct the sitting posture.

The electronic product of this embodiment also includes a corresponding switch control device for controlling the operation of the device for reminding to correct bad sitting posture. Preferably, the switch control device is arranged on the side of the terminal body.

Through the electronic product of this embodiment, the user's sitting posture can be monitored in real time, and when the user's sitting posture is in a bad state, the user is reminded to correct the bad sitting posture by blowing out airflow. The user perceives the airflow through the sense of touch and inertially raises the head and straightens the back to complete the process of correcting the sitting posture. Psychologically, there is no need to process the reminder information again, which reduces the interference to the user's thinking and enables the user to unconsciously correct bad sitting posture and eye distance. and other bad habits that affect myopia; at the same time, it will not affect the surrounding crowd.

The above disclosures are only preferred embodiments of the present invention, and certainly cannot limit the scope of the claims of the present invention. Therefore, any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention, Still belong to the scope covered by the present invention.

Claims (13)

1. a method of reminding incorrect sitting-pose, is characterized in that, comprising:

Obtain user's sitting posture information;

Analyze described sitting posture information and determine user's sitting posture state;

When determining user's sitting posture state and be defective mode, according to preset mode ejection air-flow, with reminding user, correct incorrect sitting-pose.

2. method according to claim 1, is characterized in that, described when determining user's sitting posture state and be defective mode, according to preset mode ejection air-flow, after correcting incorrect sitting-pose, also comprises with reminding user:

When determining user and corrected the sitting posture of defective mode, stop jet.

3. method according to claim 1, is characterized in that, described according to preset mode ejection air-flow, is specially:

According to intermittent ejection of default time interval air-flow, the direction of ejection air-flow and the user direction that comes back is consistent;

And, when default time interval arrives, judge whether jet number of times reaches the default upper limit at every turn, if so, stop jetly, control output information warning; Otherwise, again jet.

4. method according to claim 1, is characterized in that, the described sitting posture information of described analysis and determine user's sitting posture state after, also comprise:

Sitting posture status information to user shows.

5. a device of reminding incorrect sitting-pose, is characterized in that, comprises monitoring device, control device and air jet system,

Described monitoring device, for obtaining user's sitting posture information;

Described control device, for analyzing described sitting posture information and determining user's sitting posture state, when determining user's sitting posture state and be defective mode, sends enabling signal to described air jet system;

Described air jet system, for according to preset mode ejection air-flow, corrects incorrect sitting-pose with reminding user.

6. device according to claim 5, is characterized in that, described control device also, for when determining user and corrected the sitting posture of defective mode, sends shutdown signal to described air jet system, so that described air jet system stops is jet.

7. device according to claim 5, is characterized in that, also comprises warning device;

Described air jet system, specifically for intermittent ejection of time interval according to default air-flow, the direction of ejection air-flow and the user direction that comes back is consistent;

Described control device, also for each when the default time interval arrival, judge whether jet number of times reaches the default upper limit, if, to described air jet system, send shutdown signal, to control air jet system, stop jetly, and send alerting signal to described warning device;

Described warning device, exports corresponding information warning when receiving described alerting signal.

8. device according to claim 5, is characterized in that, also comprises, for showing user's sitting posture status information.

9. device according to claim 5, is characterized in that, described monitoring device comprises: camera, infrared inductor and ultrasonic range finder.

10. device according to claim 8, is characterized in that, described is LCD screen and or LED state lamp.

11. 1 kinds of desk lamps, is characterized in that, comprise the device of prompting correction incorrect sitting-pose claimed in claim 5, with reminding user, correct incorrect sitting-pose.

12. 1 kinds of desks, is characterized in that, comprise the device of prompting correction incorrect sitting-pose claimed in claim 5, with reminding user, correct incorrect sitting-pose.

13. 1 kinds of electronic products, is characterized in that, comprise the device of prompting correction incorrect sitting-pose claimed in claim 5, with reminding user, correct incorrect sitting-pose.

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