WO2021147394A1 - Procédé permettant de déterminer un état de lecture-écriture sur la base d'un capteur - Google Patents

Procédé permettant de déterminer un état de lecture-écriture sur la base d'un capteur Download PDF

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Publication number
WO2021147394A1
WO2021147394A1 PCT/CN2020/121454 CN2020121454W WO2021147394A1 WO 2021147394 A1 WO2021147394 A1 WO 2021147394A1 CN 2020121454 W CN2020121454 W CN 2020121454W WO 2021147394 A1 WO2021147394 A1 WO 2021147394A1
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Prior art keywords
smart watch
target user
sensor
read
wearing
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PCT/CN2020/121454
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English (en)
Chinese (zh)
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鄢家厚
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鄢家厚
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/163—Wearable computers, e.g. on a belt
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/20—Education
    • G06Q50/205—Education administration or guidance
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
    • G16H50/30—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indices; for individual health risk assessment

Definitions

  • the present invention relates to the technical field of intelligent sensing, and particularly relates to a method for judging the read and write status based on a sensor.
  • the present invention provides a sensor-based method for judging the reading and writing status to facilitate parents to understand the user's learning situation.
  • the invention provides a method for judging the reading and writing status based on sensors, which is used to determine the user's reading and writing status through a set measuring sensor and transmit it to the parent terminal, so that the parent can understand the user's learning situation in time.
  • the embodiment of the present invention provides a method for judging read and write status based on a sensor, including:
  • the judgment result is transmitted to the parent terminal and teacher terminal that are bound to the smart watch of the target user for display;
  • the measurement sensor includes any one or more of an acceleration sensor, a gyroscope sensor, an electronic compass sensor, an angle sensor, and a magnetic sensor.
  • the inclination angle when the inclination angle is obtained based on the acceleration sensor in the smart watch, it further includes: making an initial judgment on whether the target user is in a reading and writing state, and the initial judgment process includes:
  • the acceleration sensor in the smart watch worn by the target user detects that there is a vibration zero-crossing point, it is determined that the target user is in a non-reading state.
  • it also includes:
  • the smart watch When it is determined that the target user is taking off or wearing the smart watch incorrectly, the smart watch is controlled to suspend data recording, and at the same time, it is sent to the parent terminal and the teacher terminal that are bound to the smart watch through the communication network The wearing information of the target user;
  • the corrective reminding method includes any one or a combination of a short message reminder, a voice reminder, a phone reminder, and a video reminder.
  • it also includes:
  • the daily mood index of the target user is obtained by a combined calculation
  • the daily stress index, daily mood index and reading and writing duration of the target user in different time periods are sent to the parent terminal and teacher bound to the smart watch through the communication network end.
  • it also includes:
  • the ambient light sensor of the smart watch Based on the ambient light sensor of the smart watch, measure the ambient light value of the environment where the target user wearing the smart watch is currently located, and when the ambient light value is lower than a preset light value, a reminder preset by the smart watch Ways to remind the target users to use their eyes reasonably;
  • the reminding method includes: a short message reminder, a buzzer reminder, or a combination of one or more.
  • the process of sending the daily stress index of the target user in different time periods to the parent and teacher terminals that are bound to the smart watch via a communication network includes: When acquiring the child mood index in a time period, transmit the child mood index to the parent terminal and the teacher terminal;
  • all the acquired child mood indexes form a daily stress index, and the daily stress index is transmitted to the parent and teacher terminals.
  • the teacher terminal is also used to receive the read and write status curve of the target user transmitted based on the smart watch;
  • the cloud server Based on the received reading and writing time length and reading and writing status curve of the target user from the teacher end to the cloud server, the cloud server, based on the pre-stored learning focus database, performs the reading and writing time length and the reading and writing status Perform relevant processing on the curve to obtain the daily focus index of the target user;
  • the target user is preset to be marked, and the daily concentration index and the preset marking result are transmitted to the teacher terminal for display.
  • the process of transmitting the received read-write duration and read-write status curve of the target user to the cloud server based on the teacher end includes:
  • each storage unit stores the read and write information of the target user related to storage attributes, and counts the number of users of the stored read and write information of the target user;
  • the storage capacity status is that the capacity statistics value does not reach the preset capacity range
  • the remaining space capacity of the storage unit is determined, and at the same time, the capacity value of the read and write information stored in the storage unit and the statistics of the user Number, determine the average capacity value of each target user, and according to the average capacity value, determine the number of users of the target user whose remaining space capacity is to be stored, and when the storage unit is detected at a second preset time
  • the number of users stored after the first preset time is less than or equal to the number of users of the target user to be stored, activate the communication unit connected to the storage unit, and control the storage unit to stop the storage operation;
  • the activated communication unit is controlled to realize the communication connection with the cloud server, and will be connected to the activated communication unit.
  • the storage data of the connected storage unit is transmitted to the cloud server;
  • the read and write information stored in the storage unit is buffered.
  • Step 1 Obtain the measurement data information of the measurement sensor in the smart watch.
  • the measurement data information includes: Hall electric potential, the number of carriers, the amount of charge of the carriers, the thickness of the semiconductor sheet in the Hall sensor, and the semiconductor in the Hall sensor The current in the horizontal direction of the slice, the cross-sectional area through which the magnetic flux passes;
  • Step 2 Calculate the induced magnetic flux
  • ⁇ is the induced magnetic flux
  • ⁇ is the Hall potential
  • M is the number of carriers
  • Q is the amount of charge of the carriers
  • h is the thickness of the semiconductor sheet in the Hall sensor
  • ⁇ is the horizontal direction of the semiconductor sheet in the Hall sensor.
  • Current ⁇ is the cross-sectional area through which the magnetic flux passes;
  • Step 3 Calculate inspection statistics
  • ⁇ is the induced magnetic flux
  • ⁇ is the induced magnetic flux when the smart watch is worn correctly
  • Step 4. Determine whether the target user wearing the smart watch is wearing the smart watch correctly;
  • test statistic is within the preset threshold range, it is said that the target user is wearing the smart watch correctly, otherwise, proceed to step 5;
  • Step 5 Calculate the error deviation
  • ⁇ is the error deviation value
  • ⁇ is the induced magnetic flux
  • ⁇ is the induced magnetic flux when the smart watch is worn correctly
  • Step 6 Determine whether the target user took off the smart watch or did not wear the smart watch correctly
  • the target user wearing the smart watch is determined to take off the smart watch; At this time, it is determined that the target user wearing the smart watch is not wearing the smart watch correctly.
  • FIG. 1 is a flowchart of a method based on judging the read and write status in an embodiment of the present invention.
  • the embodiment of the present invention provides a method for judging the read/write status based on a sensor, as shown in FIG. 1, including:
  • Step 1 Obtain the tilt angle of the smart watch relative to the horizontal plane based on the measurement sensor in the smart watch;
  • Step 2 According to the obtained tilt angle, determine the placement state of the target arm of the target user wearing the smart watch, and then determine whether the target user is in a read-write state, and record the determination result;
  • Step 3 At the same time, the judgment result is transmitted to the parent terminal and the teacher terminal that are bound to the smart watch of the target user for display;
  • the measurement sensor includes any one or more of an acceleration sensor, a gyroscope sensor, an electronic compass sensor, an angle sensor, and a magnetic sensor.
  • the acceleration sensor described above can detect AC signals and the vibration of the object, and a certain regular vibration will be generated when a person is walking, and the acceleration sensor can detect the zero-crossing point of the vibration, thereby judging that the target user is in a non-reading state.
  • the acceleration sensor to detect the tilt angle, it is affected by the acceleration of the movement, so that the measured tilt angle is not accurate enough, you can use sensors such as a gyroscope sensor, an electronic compass sensor, an angle sensor, or a magnetic sensor.
  • the tilt angle is compensated to make the tilt angle more accurate, so as to judge the reading and writing status of the target user.
  • the preset angle range is [0°, 90°] based on the horizontal desktop
  • the target user’s hand is placed horizontally on the horizontal desktop, it is 0°.
  • the elbow is supported vertically on a horizontal table top, it is 90°;
  • the above-mentioned parent terminal and teacher terminal may also be smart watches, or electronic devices such as smart phones and notebooks.
  • the beneficial effect of the above technical solution is that it is convenient to determine the user's reading and writing status through the set measuring sensor, and by transmitting it to the parent terminal, it is convenient for the parent to understand the user's learning situation in time.
  • the embodiment of the present invention provides a method for judging the reading and writing status based on a sensor.
  • the method further includes: making an initial judgment on whether the target user is in the reading and writing state, and the initial judgment process includes:
  • the acceleration sensor in the smart watch worn by the target user detects that there is a vibration zero-crossing point, it is determined that the target user is in a non-reading state.
  • the beneficial effect of the above technical solution is: through the initial judgment of the read and write status, it can be determined whether other sensors need to continue subsequent operations, which saves the working time of the smart watch, thereby increasing the use time of the smart watch; through the vibration zero point, it is convenient to quickly Make sure that the target user is in a non-read-write state.
  • the embodiment of the present invention provides a method for judging read and write status based on a sensor, and further includes:
  • the smart watch When it is determined that the target user is taking off or wearing the smart watch incorrectly, the smart watch is controlled to suspend data recording, and at the same time, it is sent to the parent terminal and the teacher terminal that are bound to the smart watch through the communication network The wearing information of the target user;
  • the corrective reminding method includes any one or a combination of a short message reminder, a voice reminder, a phone reminder, and a video reminder.
  • the above correction instruction may be an instruction to wear the smart watch incorrectly
  • the above smart watch is actually the watch side of the mobile phone.
  • the communication network such as: Bluetooth, wifi, 2G/3G/4G/5G and other communication modules constitute a communication network.
  • using a smart watch to make a call is in the synchronization process.
  • the watch and the mobile phone are connected, the watch The terminal operates the mobile phone through Bluetooth or wifi or 2G/3G/4G/5G network, and because the existing smart watches have distance limitations, the communication connection with the parent terminal is generally achieved through Bluetooth or wifi signals;
  • parents can use the 2G/3G/4G/5G network to realize the smart phone to control the smart watch vibration, text message display, buzzer, call video prompts, etc.;
  • the parents can watch the child's reading and writing status in real time through the video signal, and execute the correction instructions for reading and writing sitting posture when the child is in the reading and writing status.
  • Bluetooth and wifi communication modules can be used for communication transmission.
  • the beneficial effects of the above technical solutions are: it is convenient to quickly and effectively determine the situation of the target user wearing the smart watch, and when the wearing is incorrect or not worn, the data recording is suspended, which can improve the validity of the data and at the same time, increase the service life of the smart watch. , Send information to the bound terminal through the communication network, which is targeted, so that parents and teachers can know the wearing information of the target user at any time, and it is convenient for the user to be effectively reminded.
  • the embodiment of the present invention provides a method for judging read and write status based on a sensor, and further includes:
  • the daily mood index of the target user is obtained by a combined calculation
  • the daily stress index, daily mood index and reading and writing duration of the target user in different time periods are sent to the parent terminal and teacher bound to the smart watch through the communication network end.
  • the optical heart rate sensor on the device is used to analyze the heart rate index of the target user, and through the combined calculation, the daily mood index can be improved. accuracy
  • the daily mood index is an important "learning pressure index" basic data under the learning pressure of the target user, and the above reading and writing time is when the target user is detected to be in the reading and writing state, based on the time axis, the target user is in the reading and writing state The read and write time of the record.
  • the above communication network can be connected to the smart watch in the 2G/3G/4G/5G communication mode;
  • the above-mentioned time axis may be established on the basis of Beijing time.
  • the aforementioned electricity skin data actually refers to electricity skin activity, that is, dynamic electricity skin change data.
  • the beneficial effect of the above technical solution is that the above-mentioned transmitted daily stress index, daily mood index, and reading and writing time are attractive to parents, and it is convenient for parents to judge the intensity of children's reading and writing or the intensity of reading and writing learning pressure, thereby facilitating parents to use This data is used to reasonably arrange time for children to relieve stress, exercise and outdoor activities.
  • the embodiment of the present invention provides a method for judging read and write status based on a sensor, and further includes:
  • the ambient light sensor of the smart watch Based on the ambient light sensor of the smart watch, measure the ambient light value of the environment where the target user wearing the smart watch is currently located, and when the ambient light value is lower than a preset light value, a reminder preset by the smart watch Ways to remind the target users to use their eyes reasonably;
  • the reminding method includes any one or a combination of: short message reminding, voice reminding, phone reminding, and video reminding.
  • the above-mentioned preset light value is preset.
  • the beneficial effect of the above technical solution is that by determining the light value, the target user is effectively reminded to use eyes reasonably, and the reminder information is transmitted to the parent and teacher end, so that when the target user does not perform the corresponding operation according to the reminder information, the parent or Teachers can make timely reminders.
  • the embodiment of the present invention provides a method for judging the status of reading and writing based on a sensor, and the process of sending the daily stress index of the target user in different time periods to the parent terminal and the teacher terminal that are bound to the smart watch through a communication network Included: each time the child mood index in a time period is obtained, the child mood index is transmitted to the parent and teacher terminals;
  • all the acquired child mood indexes form a daily stress index, and the daily stress index is transmitted to the parent and teacher terminals.
  • the above several sub-mood information constitute a daily stress index.
  • the beneficial effects of the above technical solution are: sending the sub-mood index once in a time period, which is convenient for parents and teachers to understand the status of the target user in real time. By acquiring several sub-mood indices and sending them together, it is convenient to reduce the frequency of communication and save the proportion of broadband. resource.
  • the embodiment of the present invention provides a method for judging the reading and writing state based on a sensor.
  • the target user is in the reading and writing state, based on the smart watch worn by the target user, the length of time the target user is in the reading and writing state is recorded to obtain Read and write time, and transmit the read and write time to the teacher;
  • the teacher terminal is also used to receive the read and write status curve of the target user transmitted based on the smart watch;
  • the cloud server Based on the received reading and writing time length and reading and writing status curve of the target user from the teacher terminal to the cloud server, the cloud server, based on the pre-stored learning focus database, performs the reading and writing time length and the reading and writing status Perform relevant processing on the curve to obtain the daily focus index of the target user;
  • the target user is preset to be marked, and the daily concentration index and the preset marking result are transmitted to the teacher terminal for display.
  • the above-mentioned reading and writing status curve can be within a preset time period, or the target user can be in the classroom for a whole day;
  • the above preprocessing is to analyze the correlation between the read and write time and the read and write state curve.
  • the read and write state curve may also include data related to electricity skin activity to determine the target user's daily concentration index.
  • the above-mentioned method of transmitting the read and write duration and read and write status curve of the target user to the cloud server may also be to automatically upload its data to the cloud server through a smart watch.
  • the above-mentioned daily concentration index for example: according to the experimental research on the relationship between cerebral cortex muscle interaction and attention, the more concentrated the attention, the stronger the interaction between cerebral cortex and muscle. Therefore, it can be determined that the daily concentration index is the science of supporting the data dimension. Sexual.
  • the above-mentioned preset focus index is preset
  • the above-mentioned preset labeling may be a red dot labeling of the target user, etc., to facilitate understanding.
  • the beneficial effect of the above technical solution is that it is convenient for teachers to pay attention and humanistic care to the target users with preset annotations in time, so as to improve the learning performance and learning pressure ability of the target users.
  • the daily mood index and daily concentration index obtained above can be used as an important data reference for the target user's school attendance and conduct score;
  • the corresponding preset scene can be triggered.
  • the system reminds parents and teachers to intervene, such as increasing outdoor activity time, reasonable rest and use of eyes, decompression, and psychological intervention;
  • the system reminds parents and teachers to intervene.
  • the embodiment of the present invention provides a method for judging the reading and writing status based on a sensor.
  • the process of transmitting the received reading and writing time and the reading and writing status curve of the target user to a cloud server based on the teacher terminal includes:
  • each storage unit stores the read and write information of the target user related to storage attributes, and counts the number of users of the stored read and write information of the target user;
  • the storage capacity status is that the capacity statistics value does not reach the preset capacity range
  • the remaining space capacity of the storage unit is determined, and at the same time, the capacity value of the read and write information stored in the storage unit and the statistics of the user Number, determine the average capacity value of each target user, and according to the average capacity value, determine the number of users of the target user whose remaining space capacity is to be stored, and when the storage unit is detected at a second preset time
  • the number of users stored after the first preset time is less than or equal to the number of users of the target user to be stored, activate the communication unit connected to the storage unit, and control the storage unit to stop the storage operation;
  • the activated communication unit is controlled to realize the communication connection with the cloud server, and will be connected to the activated communication unit.
  • the storage data of the connected storage unit is transmitted to the cloud server;
  • the read and write information stored in the storage unit is buffered.
  • the aforementioned storage array is composed of a combination of several storage units, and the storage unit is connected with the communication unit and the metering unit, and the communication unit is connected with the cloud server;
  • the storage attributes of the aforementioned storage units may be storage attributes divided by grade and class.
  • the storage unit a stores the reading and writing information of students of grade 2 and class 1, which is convenient for block management;
  • the above-mentioned metering unit is actually to determine the remaining space capacity of the storage unit, so that it is convenient to determine whether the storage unit stops receiving data, and avoid data loss due to too much data but not stored;
  • Each storage unit above is equipped with a metering unit to facilitate the timely understanding of the current capacity status of each storage unit, and it can also effectively reduce the possibility that the remaining space capacity of other storage units cannot be determined due to the damage of the metering unit .
  • the above-mentioned preset storage capacity refers to the capacity corresponding to the average number of target users that can be stored
  • the foregoing first preset time detection and statistics on the number of users are to ensure that the read and write information of the target user stored in the storage unit is complete, and to avoid incomplete data;
  • the first preset time may be 2-5s
  • the above-mentioned capacity statistics refer to the current storage unit capacity ratio, and the above-mentioned preset capacity range is related to the capacity of read and write information and the number of users;
  • the above activation of the communication unit is to facilitate the transmission of data stored in the storage unit
  • the above-mentioned statistics on the communication quantity of the activated communication units is to facilitate data transmission of the synchronously triggered communication units and save time.
  • the above-mentioned buffering of the read and write information stored in the storage unit is to prepare for the next storage of data and to achieve multiple reusability of the storage unit.
  • the beneficial effects of the above technical solution are: it is convenient to know the current capacity status of each storage unit in time, and it can also effectively reduce the possibility that the remaining space capacity of other storage units cannot be determined due to the damage of the metering unit; it is convenient to trigger the communication synchronously The unit sends data, which saves time and facilitates the realization of multiple reusability of the storage unit.
  • the embodiment of the present invention provides a method for judging the reading and writing status based on a sensor.
  • the method is based on the change result of the induced magnetic flux of the Hall sensor in the smart watch to determine whether the target user wearing the smart watch has taken it off or is not wearing it correctly
  • the specific process of the smart watch is as follows:
  • Step 1 Obtain the measurement data information of the measurement sensor in the smart watch.
  • the measurement data information includes: Hall electric potential, the number of carriers, the amount of charge of the carriers, the thickness of the semiconductor sheet in the Hall sensor, and the semiconductor in the Hall sensor The current in the horizontal direction of the slice, the cross-sectional area through which the magnetic flux passes;
  • Step 2 Calculate the induced magnetic flux
  • ⁇ is the induced magnetic flux
  • ⁇ is the Hall potential
  • M is the number of carriers
  • Q is the amount of charge of the carriers
  • h is the thickness of the semiconductor sheet in the Hall sensor
  • ⁇ is the horizontal direction of the semiconductor sheet in the Hall sensor.
  • Current ⁇ is the cross-sectional area through which the magnetic flux passes;
  • Step 3 Calculate inspection statistics
  • ⁇ is the induced magnetic flux
  • ⁇ is the induced magnetic flux when the smart watch is worn correctly
  • Step 4. Determine whether the target user wearing the smart watch is wearing the smart watch correctly;
  • test statistic is within the preset threshold range, it is said that the target user is wearing the smart watch correctly, otherwise, proceed to step 5;
  • Step 5 Calculate the error deviation
  • ⁇ is the error deviation value
  • ⁇ is the induced magnetic flux
  • ⁇ is the induced magnetic flux when the smart watch is worn correctly
  • Step 6 Determine whether the target user took off the smart watch or did not wear the smart watch correctly
  • the target user wearing the smart watch is determined to take off the smart watch; At this time, it is determined that the target user wearing the smart watch is not wearing the smart watch correctly.
  • the beneficial effect of the above technical solution is: judging whether the target user wearing the smart watch has taken off or is not wearing the smart watch correctly according to the data measured by the measuring sensor in the smart watch.
  • the judgment process first , Acquiring data information measured by the measurement sensor, and then preliminarily determining whether the target user is wearing the smart watch correctly based on the measurement data information when wearing the smart watch correctly, and if the result of the judgment is that the smart watch is worn correctly, no further determination is required, Otherwise, it is necessary to further determine whether the target user took off the smart watch or did not wear the smart watch correctly.
  • the above technical solutions not only can it be determined whether the target user is wearing the smart watch correctly, but also whether the target user has taken off the smart watch or is not wearing the smart watch correctly, and can also learn about the data measured by the current measurement sensor information.

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Abstract

L'invention concerne un procédé de détermination d'un état de lecture-écriture sur la base d'un capteur. Le procédé consiste à : sur la base d'un capteur de mesure dans une montre intelligente, obtenir un angle d'inclinaison de la montre intelligente par rapport à un plan horizontal ; selon l'angle d'inclinaison obtenu, déterminer un état de placement d'un bras cible d'un utilisateur cible qui porte la montre intelligente, puis déterminer si l'utilisateur cible est dans un état de lecture-écriture, et enregistrer un résultat de détermination ; et transmettre le résultat de détermination à une extrémité parent et une extrémité enseignant qui sont liées à la montre intelligente de l'utilisateur cible, de façon à réaliser un affichage. Un état de lecture-écriture d'un utilisateur est déterminé au moyen de la configuration d'un capteur de mesure, et l'état de lecture-écriture est transmis à une extrémité parent et à une extrémité enseignant, de sorte que les parents et les enseignants puissent comprendre la situation d'apprentissage de l'utilisateur d'une manière opportune, ce qui permet de superviser efficacement l'utilisateur.
PCT/CN2020/121454 2020-01-22 2020-10-16 Procédé permettant de déterminer un état de lecture-écriture sur la base d'un capteur WO2021147394A1 (fr)

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CN202010075368.XA CN111309098B (zh) 2020-01-22 2020-01-22 基于传感器判断读写状态的方法
CN202010075368.X 2020-01-22

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CN111309098B (zh) * 2020-01-22 2020-12-01 鄢家厚 基于传感器判断读写状态的方法
CN111964674B (zh) * 2020-10-23 2021-01-15 四川写正智能科技有限公司 一种结合加速度传感器判断读写状态的方法及移动终端
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