WO2019189993A1 - Brosse à dents intelligente et terminal mobile - Google Patents

Brosse à dents intelligente et terminal mobile Download PDF

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Publication number
WO2019189993A1
WO2019189993A1 PCT/KR2018/005550 KR2018005550W WO2019189993A1 WO 2019189993 A1 WO2019189993 A1 WO 2019189993A1 KR 2018005550 W KR2018005550 W KR 2018005550W WO 2019189993 A1 WO2019189993 A1 WO 2019189993A1
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WO
WIPO (PCT)
Prior art keywords
brushing
toothbrush
tooth
mobile terminal
bristles
Prior art date
Application number
PCT/KR2018/005550
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English (en)
Korean (ko)
Inventor
이기혁
이현진
김성혁
이윤재
최승주
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2019189993A1 publication Critical patent/WO2019189993A1/fr

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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0004—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means
    • A46B15/0006—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means with a controlling brush technique device, e.g. stroke movement measuring device
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A46B13/023—Brushes with driven brush bodies or carriers power-driven carriers with means for inducing vibration to the bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10237—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the reader and the record carrier being capable of selectively switching between reader and record carrier appearance, e.g. in near field communication [NFC] devices where the NFC device may function as an RFID reader or as an RFID tag
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/0076—Body hygiene; Dressing; Knot tying
    • G09B19/0084—Dental hygiene

Definitions

  • the present invention relates to a smart toothbrush and a mobile terminal, and more particularly, to provide a guide to brushing teeth through toothbrushing data.
  • the toothbrush includes a handle and a fern provided with a bristle and performs a function of removing foreign matters between the teeth and the gums mainly by a physical friction method.
  • An object of the present invention is to provide a smart toothbrush and a mobile terminal that can guide the correct brushing method, in consideration of the time the brush head is in contact with the tooth.
  • an object of the present invention is to provide a smart toothbrush and a mobile terminal capable of guiding an optimized brushing method to an individual in consideration of the dental condition of each individual.
  • Smart toothbrush is a wireless communication unit for performing short-range wireless communication with a mobile terminal, a motor for vibrating the bristles provided in the smart toothbrush, a sensing unit for sensing the sensing data for the vibration and the sensing data Based on the toothbrush area, the toothbrush area information indicating which of the toothbrush areas is located in the toothbrush area and the tooth contact information indicating whether the brush head is in contact with the tooth, and obtaining the toothbrush area information and the tooth contact information It may include a processor for transmitting to the mobile terminal through the wireless communication unit.
  • the mobile terminal includes a display and a wireless communication unit for performing short-range communication with a smart toothbrush, and toothbrush area information indicating which toothbrush area of the plurality of toothbrushes the bristles provided in the smart toothbrush are located in.
  • a controller may be configured to receive tooth contact information indicating whether the bristles have contacted a tooth, and to display a brush correction guide on the display based on the received tooth area information and the tooth contact information.
  • the brushing method in consideration of the contact time between the teeth and the bristles, the brushing method is guided, thereby providing a more accurate brushing method to the user.
  • an optimized brushing method for each individual may be provided.
  • FIG. 1 is a block diagram illustrating a configuration of a smart toothbrush according to an embodiment of the present invention.
  • FIG. 2 is a block diagram illustrating a configuration of a mobile terminal according to an embodiment of the present invention.
  • FIG. 3 is a view schematically illustrating an actual configuration of a smart toothbrush according to an embodiment of the present invention.
  • FIG. 4 is a ladder diagram illustrating a method of operating a smart toothbrush and a mobile terminal according to an embodiment of the present invention.
  • FIG. 5 is a flowchart illustrating a process of acquiring a plurality of brushing areas of a smart toothbrush using first sensing data according to an embodiment of the present invention.
  • FIG. 6 is a view for explaining an example of detecting the position and direction of the bristle of the smart toothbrush in accordance with an embodiment of the present invention.
  • FIG. 7 is a diagram illustrating an example of a plurality of brushing areas according to an embodiment of the present invention.
  • FIG. 8 is a flowchart illustrating a process of determining whether the bristles have contacted a tooth according to an embodiment of the present invention.
  • 9A to 12C are experimental data showing a result of performing a fast Fourier transform on a vibration frequency signal according to various embodiments of the present disclosure.
  • 13A and 13B illustrate changes in peak frequencies extracted depending on whether the bristles are in contact with a tooth according to an embodiment of the present invention.
  • FIG. 14 is a flowchart illustrating a process of determining whether the bristles are in contact with a tooth according to another embodiment of the present invention.
  • 15 is a view for explaining an example of measuring the brushing time for each brushing area according to an embodiment of the present invention.
  • FIG. 16 is a diagram illustrating toothbrush time statistical information according to an embodiment of the present invention.
  • FIG. 17 is a diagram for explaining a braces correction guide displayed on a display of a mobile terminal according to one embodiment of the present invention.
  • FIG. 18 is a diagram for explaining examples of roll data and yaw data for each tooth area according to an embodiment of the present invention.
  • FIG. 1 is a block diagram illustrating a configuration of a smart toothbrush according to an embodiment of the present invention.
  • the smart toothbrush 100 includes a sensing unit 110, a wireless communication unit 130, a motor 150, a power supply unit 170, and a processor 190.
  • the sensing unit 110 may obtain first sensing data or second sensing data.
  • the first sensing data may be obtained through an acceleration sensor or a gyro sensor, or may be a sensing value obtained by a combination of data measured by the acceleration sensor and the gyro sensor.
  • the first sensing data may include a roll value, a pitch value, and a yaw value.
  • the second sensing data may be a vibration frequency signal sensed by the vibration sensor provided in the sensing unit 110.
  • the sensing unit 110 may be referred to as an inertial sensor or a vibration sensor.
  • the wireless communication unit 130 may perform short-range wireless communication with the wireless communication unit 210 of the mobile terminal 200.
  • the short range wireless communication standard may be a low power Bluetooth standard, but this is merely an example.
  • the motor 150 may output a vibration signal.
  • the vibration signal may serve to vibrate the bristles 103 to be described later.
  • the power supply unit 170 may supply power to the components of the smart toothbrush 100.
  • the processor 190 may control the overall operation of the smart toothbrush 100.
  • the processor 190 may obtain a plurality of brushing areas based on the first sensing data.
  • the processor 190 may determine whether the bristle 103 of the smart toothbrush 100 contacts the tooth, based on the second sensing data.
  • the processor 190 may transmit, to the mobile terminal 200, tooth area information including information about the plurality of tooth areas and tooth contact information indicating whether a tooth is in contact.
  • FIG. 2 is a block diagram illustrating a configuration of a mobile terminal according to an embodiment of the present invention.
  • the mobile terminal 200 includes a wireless communication unit 210, a memory 230, a sound output unit 250, a display 270, and a controller 290.
  • the wireless communication unit 210 may perform short-range wireless communication with the wireless communication unit 130 of the smart toothbrush 100.
  • the short range wireless communication standard may be a low power Bluetooth standard.
  • the memory 230 may store tooth care data transmitted from the smart toothbrush 100.
  • the toothbrush data may include toothbrush region information, which will be described later, and tooth contact information indicating whether teeth are in contact.
  • the sound output unit 250 may output a guide for correcting a toothbrush sound.
  • the display 270 may display an execution screen of the brush guide application according to an execution command of the brush guide application for the brush guide.
  • Display 270 may display a brace correction guide for brace correction.
  • the display 270 may be configured in the form of a touch screen.
  • the controller 290 may control the overall configuration of the mobile terminal 200.
  • the controller 290 may measure brushing time for each of the plurality of brushing areas using the brushing area information and the tooth contact information received from the smart toothbrush 100.
  • the controller 290 may obtain brushing time statistical information based on the brushing time measured for each brushing area.
  • the controller 290 may display the fern calibration guide on the display 270 based on the obtained fern time statistical information.
  • controller 290 The detailed configuration of the controller 290 will be described later.
  • FIG. 3 is a view schematically illustrating an actual configuration of a smart toothbrush according to an embodiment of the present invention.
  • the smart toothbrush 100 may include a main body 101, a bristle 103, and a sensing unit 110.
  • the main body 101 may include the wireless communication unit 130, the motor 150, and the processor 190 described with reference to FIG. 1.
  • the sensing unit 110 may be a vibration sensor.
  • the vibration sensor is a sensor for detecting vibration of the smart toothbrush 100, and one or more of an acceleration sensor, an angular velocity sensor, and a gyro sensor may be used.
  • the vibration sensor can obtain rotation angles of the x-axis (or roll axis), y-axis (or pitch axis), z-axis (or yaw axis).
  • FIG. 4 is a ladder diagram illustrating a method of operating a smart toothbrush and a mobile terminal according to an embodiment of the present invention.
  • the mobile terminal 200 displays a brushing guide screen on the display 270 (S401).
  • the controller 290 of the mobile terminal 200 may receive an execution command of the brush guide application and display the brush guide screen on the display 270 according to the received execution command.
  • the wireless communication unit 130 of the smart toothbrush 100 and the wireless communication unit 210 of the mobile terminal 200 may be connected to each other through a low power Bluetooth standard.
  • each of the wireless communication unit 130 of the smart toothbrush 100 and the wireless communication unit 210 of the mobile terminal 200 may be provided with a low power Bluetooth module.
  • the smart toothbrush 100 and the mobile terminal 200 may be automatically connected.
  • step S403 may be performed before step S401.
  • Smart toothbrush 100 is the first Sensing Based on the data, a plurality of brushing areas are obtained (S405).
  • the sensing unit 110 of the smart toothbrush 100 may include at least one of an acceleration sensor and a gyro sensor.
  • the first sensing data may be obtained through an acceleration sensor or a gyro sensor, or may be a result obtained by a combination of data measured by the acceleration sensor and the gyro sensor.
  • the first sensing data may include a roll value, a pitch value, and a yaw value.
  • the processor 190 of the smart toothbrush 100 may acquire a plurality of brushing areas indicating the position of the bristle 103 by using a roll value, a pitch value, and a yaw value.
  • the plurality of brushing areas may be divided into five areas, but this is only an example and may be divided into fewer or larger numbers than five.
  • FIG. 5 is a flowchart illustrating a process of acquiring a plurality of brushing areas of a smart toothbrush using first sensing data according to an embodiment of the present invention.
  • the bristle area 103 represents the area where the bristle 103 can be located in the user's mouth.
  • the sensing unit 110 First Sensing
  • the processor 190 acquires the acquired first data. Sensing The roll value, pitch value and yaw value are extracted from the data (S503).
  • FIG. 6 is a view for explaining an example of detecting the position and direction of the bristle of the smart toothbrush in accordance with an embodiment of the present invention.
  • the bristle 103 has a roll value of 0 degrees with respect to the roll axis toward the sky.
  • the roll value may be obtained based on the rotated angle based on 0 degree.
  • the pitch value is 0 degrees towards the bottom and 180 degrees towards the sky with respect to the pitch axis.
  • the yaw value can also be obtained according to the rotated angle with respect to the yaw axis.
  • the processor 190 determines whether the extracted roll value is between 90 degrees and 270 degrees (S505).
  • the processor 190 determines that the bristle 103 is located at the lower teeth (S507).
  • the processor 190 determines whether the yaw value is 90 degrees (S509), and the yaw value is determined. If it is 90 degrees In operation S511, the bristle 103 is located in the front tooth region.
  • the processor 190 determines that the bristle 103 is located in the lower right tooth region (515).
  • the processor 190 determines that the bristle 103 is located in the lower left tooth region (S517).
  • the roll value is from 90 degrees 270 If in the out of range (S505), the processor 190 determines that the bristle 103 is located in the upper teeth (S519).
  • the processor 190 has a yaw value. If it is 90 degrees In operation S511, the bristle 103 is located in the front tooth region.
  • the processor 190 determines that the bristle 103 is located in the upper right tooth region (S525).
  • the processor 190 determines that the bristle 103 is located in the upper left tooth region (S527).
  • the processor 190 may measure the position and direction of the bristle 103 using the roll value, the pitch value, and the yaw value extracted from the first sensing data.
  • FIG. 7 is a diagram illustrating an example of a plurality of brushing areas according to an embodiment of the present invention.
  • the oral cavity 700 may include five regions 710 to 750.
  • the first brushing area 710 may be a left upper teeth area.
  • the processor 190 may determine that the bristle 103 is located in the first brushing area 710 when the roll value is out of 90 degrees to 270 degrees and the yaw value is 180 degrees or more.
  • the second brushing area 720 may be a left lower teeth area.
  • the processor 190 may determine that the bristle 103 is located in the second brushing area 720 when the roll value is between 90 degrees and 270 degrees, and the yaw value is not 90 degrees and less than 180 degrees.
  • the third tooth brushing area 730 may be a right upper teeth area.
  • the processor 190 may determine that the bristle 103 is located in the third brushing area 730 when the roll value is out of 90 degrees to 270 degrees and the yaw value is 180 degrees or more.
  • the fourth brushing area 740 may be a right lower teeth area.
  • the processor 190 may determine that the bristle 103 is located in the fourth brushing area 740.
  • the fifth brushing area 710 may be a front tooth area.
  • the processor 190 may determine that the bristle 103 is located in the fifth brushing area 750.
  • the smart toothbrush 100 is a second Sensing Based on the data, the bristle 103 of the smart toothbrush 100 is applied to the tooth. Whether or not It is determined (S407).
  • the processor 190 of the smart toothbrush 100 may determine which area of the plurality of brushing areas the bristle 103 is located in, and then determine whether the bristle 103 is in contact with the tooth within the corresponding area. .
  • the processor 190 may determine whether the bristle 103 has touched a tooth, using the second sensing data sensed by the sensing unit 110.
  • the second sensing data may be a vibration frequency.
  • the sensing unit 110 may be provided with a vibration sensor.
  • FIG. 8 is a flowchart illustrating a process of determining whether the bristles have contacted a tooth according to an embodiment of the present invention.
  • the sensing unit 110 A second including an oscillation frequency signal Sensing Acquire data (S801).
  • the second sensing data may be a vibration frequency signal sensed by a vibration sensor provided in the sensing unit 110.
  • Processor 190 is fast for oscillating frequency signals Fourier The conversion is performed (S803).
  • the Fast Fourier Transform may be an efficient algorithm for quickly performing an inverse transform of the Discrete Fourier Transform (DFT).
  • DFT Discrete Fourier Transform
  • Processor 190 is fast Fourier Using the result of the conversion, the peak frequency is extracted (S805).
  • the processor 190 may extract a peak frequency from the vibration frequency signal by performing a fast Fourier transform on the vibration frequency signal.
  • 9A to 12C are experimental data showing a result of performing a fast Fourier transform on a vibration frequency signal according to various embodiments of the present disclosure.
  • the horizontal axis represents an oscillation frequency axis
  • the vertical axis represents an amplitude of the vibration frequency
  • FIGS. 9A to 9C will be described.
  • 9A to 9C show vibration frequencies measured at each of the roll axis, the pitch axis, and the yaw axis when the user brushing teeth in the air without operating the motor 150 of the smart toothbrush 100.
  • the peak frequency with the largest magnitude of the vibration frequency is 0.094 Hz
  • the peak frequency with the greatest magnitude of the vibration frequency in the pitch axis is 1.7382 Hz
  • FIG. 9C the peak frequency with the largest magnitude of the vibration frequency is 0.4228 Hz.
  • 10A to 10C show vibration frequencies measured at the roll axis, the pitch axis, and the yaw axis, respectively, when the user operates the motor 150 of the smart toothbrush 100 and brush the teeth in the air.
  • the peak frequency with the largest magnitude of the vibration frequency is 240.7866 Hz
  • the peak frequency with the greatest magnitude of the vibration frequency is 80.1591 Hz
  • FIG. 10C the peak frequency with the largest magnitude of the vibration frequency is 240.6540 Hz.
  • the peak frequency extracted from FIGS. 10A to 10C may be set to a basic vibration frequency of the motor 150.
  • 11A to 11C illustrate vibration frequencies measured in the roll axis, the pitch axis, and the yaw axis, respectively, when the user operates the motor 150 of the smart toothbrush 100 and the brush head 103 is brushed against the tooth. Indicates.
  • the peak frequency with the largest magnitude of vibration frequency is 65.1992 Hz
  • the peak frequency with the greatest magnitude of vibration frequency in the pitch axis is 73.0930 Hz
  • FIG. 11C the peak frequency with the largest magnitude of the vibration frequency is 74.3454 Hz.
  • the peak frequencies extracted in FIGS. 11A-11C may later be used for comparison with the fundamental vibration frequency of the motor 150.
  • the peak frequency with the largest magnitude of the vibration frequency is 239.0840 Hz
  • the peak frequency with the greatest magnitude of the vibration frequency is 239.0840 Hz
  • the peak frequency with the largest magnitude of the vibration frequency is 239.0840 Hz.
  • the bristles 103 are fixed, and the peak frequencies on each axis are the same.
  • the processor 190 determines whether the extracted peak frequency is smaller than the basic vibration frequency of the motor 150 (S807).
  • the processor 190 may compare each of the peak frequencies extracted from the three axes with each of the motor frequencies of the motor 150 extracted from FIGS. 10A to 10C.
  • the processor 190 determines that the bristle 103 is in contact with the tooth (S809).
  • the processor 190 may determine that the bristle 103 is in contact with a tooth.
  • 13A and 13B illustrate changes in peak frequencies extracted depending on whether the bristles are in contact with a tooth according to an embodiment of the present invention.
  • FIG. 13A shows the general shape of the peak frequency extracted when the bristle 103 touches the tooth 1300
  • FIG. 13B shows the general shape of the peak frequency extracted when the bristle 103 does not touch the tooth 1300.
  • the processor 190 may sense only the vibration of the motor 150, and extract the natural frequency (basic vibration frequency) of the motor 150 as the peak frequency. .
  • the tooth 1300 causes the vibration of the motor 150 to be attenuated, so that the processor 190 can extract the peak frequency whose peak frequency is less than the natural frequency. have.
  • the processor 190 causes the bristle 103 to rest on the tooth. Uncontacted It is determined that (S811).
  • the processor 190 may determine that the bristle 103 is not in contact with the teeth when the peak frequency is within a difference within the predetermined range and the basic vibration frequency.
  • the processor 190 may determine that the bristle 103 is in contact with a tooth.
  • FIG. 14 is a flowchart illustrating a process of determining whether the bristles are in contact with a tooth according to another embodiment of the present invention.
  • the sensing unit 110 A second including an oscillation frequency signal Sensing Acquire data (S1401).
  • the second sensing data may be a vibration frequency signal sensed by a vibration sensor provided in the sensing unit 110.
  • the processor 190 converts the basic vibration frequency band of the motor 150 from the vibration frequency signal. Filter (S1403).
  • the processor 190 may filter the natural frequency band of the motor 150 in the vibration frequency signal.
  • a band pass filter may be used to filter the natural frequency band of the motor 150.
  • the reason for filtering only the natural frequency band of the motor 150 is to determine whether the teeth are in contact by comparing the magnitude of the vibration frequency signal with the magnitude of the natural frequency signal in the filtered natural frequency band.
  • the processor 190 obtains the threshold magnitude of the vibration signal (S1405), Filtered It is determined whether the magnitude of the vibration frequency signal is smaller than the threshold (S1407).
  • the threshold magnitude of the vibration signal may be set to the magnitude of the natural frequency signal of the motor 150.
  • Processor 190 Filtered If the magnitude of the vibration frequency signal is smaller than the threshold, it is determined that the bristle 103 is in contact with the tooth (S1409).
  • tooth contact determination method according to the embodiment of FIG. 14 is somewhat inferior in accuracy, it may be applied to the smart toothbrush 100 having a low specification, and the tooth contact determination method according to the embodiment of FIG. It can be applied to the smart toothbrush 100.
  • the smart toothbrush 100 transmits toothbrushing area information including information on the plurality of toothbrushing areas and tooth contact information indicating whether the teeth are in contact with the mobile terminal 200 (S409).
  • the brushing area information may include information about the number of brushing areas and the location of the brushing area in the mouth of the user. That is, the processor 190 may transmit the information about the plurality of brushing areas, shown in FIG. 7, to the mobile terminal 200.
  • the tooth contact information may include information indicating which area of the plurality of tooth brushing areas the bristle 103 has contacted.
  • the processor 190 of the smart toothbrush 100 may transmit the brushing area information and the tooth contact information to the wireless communication unit 210 of the mobile terminal 200 through the wireless communication unit 130.
  • the processor 190 may transmit the brushing area information and the tooth contact information to the mobile terminal 200 in real time or periodically.
  • the processor 190 may transmit the brushing area information and the tooth contact information to the mobile terminal 200. If the brushing action is finished, it may be a time when the operation of the motor 150 is off, but this is only an example.
  • the mobile terminal 200 measures brushing time for each of the plurality of brushing areas using the brushing area information and the tooth contact information received from the smart toothbrush 100 (S411).
  • the controller 290 of the mobile terminal 200 may determine whether the bristle 103 has been in contact with which area by how much time, using the received tooth area information and tooth contact information. .
  • 15 is a view for explaining an example of measuring the brushing time for each brushing area according to an embodiment of the present invention.
  • the tooth contact information received by the mobile terminal 200 from the smart toothbrush 100 may include digital data such as 0 and 1. 0 may indicate that the bristles 103 do not contact the teeth, and 1 may indicate that the bristles 103 have contacted the teeth.
  • the controller 290 of the mobile terminal 200 may measure the time when the tooth contacts the bristles 103 using the digital data included in the tooth contact information.
  • the mobile terminal 200 obtains brushing time statistical information based on the brushing time measured for each brushing area (S413).
  • the brushing time statistical information may include information obtained by adding up the time when brushing is performed for each of the plurality of brushing areas.
  • FIG. 16 is a diagram illustrating toothbrush time statistical information according to an embodiment of the present invention.
  • the brushing time of the first brushing area 710 is 20 seconds
  • the brushing time of the second brushing area 710 is 30 seconds
  • the brushing time of the third brushing area 730 is 15 seconds
  • the brushing time of the fourth brushing area 740 is 10 seconds
  • the brushing time of the fifth brushing area 750 is 20 seconds.
  • the controller 290 of the mobile terminal 200 may display the toothbrush time statistical information shown in FIG. 16 on the display 270.
  • the mobile terminal 200 is based on the acquired brushing time statistical information Based on In operation S415, the braces calibration guide is displayed on the display 270.
  • the controller 290 of the mobile terminal 200 may display, on the display 270, a brush correction guide that distinguishes an area lacking brushing and an area sufficient for brushing by using brushing time statistical information.
  • FIG. 17 is a diagram for explaining a braces correction guide displayed on a display of a mobile terminal according to one embodiment of the present invention.
  • the display 270 of the mobile terminal 200 may display the brushing method calibration guide 1700 based on the brushing time statistical information.
  • the brace correction guide 1700 can include an oral cavity 1710 and guide text 1730.
  • the oral cavity 1710 may include a plurality of tooth care regions 710 to 750.
  • the well brushed area and the area lacking brushing may be distinguished from each other.
  • the well-brushed area and the poor-brushed area may be distinguished and displayed by color, symbol, or the like.
  • the guide text 1730 may include text indicating that the brushing is good or insufficient.
  • the guide text 1730 may include text for adjusting the intensity of the brushing for a specific brushing area.
  • the user may determine his or her brushing state according to the brushing method correction guide 1700, and may correct the brushing method.
  • the fern guide information may be customized for each user.
  • the controller 290 may store the user identification information, the user's tooth configuration, and the collected tooth data in a database and continuously update the database.
  • the brushing data may include at least one of brushing area information, tooth contact information, and brushing time statistical information described with reference to FIG. 4.
  • the controller 290 may acquire a brushing pattern of the user by using a machine learning technique.
  • FIG. 18 is a diagram for explaining examples of roll data and yaw data for each tooth area according to an embodiment of the present invention.
  • FIG. 18 may include a plurality of decision zones 1310 to 1350 divided according to a decision boundary.
  • the first determination zone 1310 corresponds to the first brushing area 710 of FIG. 7
  • the second determination zone 1320 corresponds to the second brushing area 720
  • the third determination zone 1330 is formed of the first determination area 1330.
  • the fourth determination region 1340 may correspond to the fourth toothbrushing region 740
  • the fifth determination region 1350 may correspond to the fifth toothbrushing region 750.
  • the brush may include points on which brushing is performed.
  • Each point 1800 may indicate that brushing has been performed in the decision zone in which the point is located.
  • the controller 290 may collect data as shown in FIG. 18 and analyze the collected data by using deep learning or machine learning techniques.
  • the controller 290 may generate a brushing pattern of a user and a brush correction guide according to the analysis result.
  • the above-described method may be implemented as code that can be read by a processor in a medium in which a program is recorded.
  • processor-readable media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and may be implemented in the form of a carrier wave (for example, transmission over the Internet). Include.
  • the display device described above may not be limitedly applied to the configuration and method of the above-described embodiments, but the embodiments may be configured by selectively combining all or some of the embodiments so that various modifications may be made. It may be.

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  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Dentistry (AREA)
  • Animal Behavior & Ethology (AREA)
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Abstract

La présente invention concerne, selon un mode de réalisation, une brosse à dents intelligente qui peut comprendre : une unité de communication sans fil configurée pour la mise en œuvre d'une communication en champ proche avec un terminal mobile ; un moteur configuré pour amener les poils de brosse à dents disposés sur la brosse à dents intelligente à vibrer ; une unité de détection configurée pour détecter des données de détection en relation avec les vibrations ; et un processeur configuré pour acquérir, sur la base des données de détection, des informations relatives à la zone de brossage des dents et des informations de contact avec une dent et pour transmettre les informations relatives à la zone de brossage des dents et les informations de contact avec une dent au terminal mobile par l'intermédiaire de l'unité de communication sans fil, les informations relatives à la zone de brossage des dents indiquant sur quelle zone de brossage des dents, parmi une pluralité de zones de brossage des dents, les poils de la brosse à dents sont positionnés, et les informations de contact avec une dent indiquant si les poils de la brosse à dents sont en contact avec une dent.
PCT/KR2018/005550 2018-03-29 2018-05-15 Brosse à dents intelligente et terminal mobile WO2019189993A1 (fr)

Applications Claiming Priority (2)

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KR1020180036321A KR20190114120A (ko) 2018-03-29 2018-03-29 스마트 칫솔 및 이동 단말기
KR10-2018-0036321 2018-03-29

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WO2019189993A1 true WO2019189993A1 (fr) 2019-10-03

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CN111383750A (zh) * 2020-01-23 2020-07-07 亚仕科技(深圳)有限公司 刷牙控制方法及相关装置
CN112161693A (zh) * 2020-09-04 2021-01-01 威凯检测技术有限公司 一种检测电动牙刷振动频率的方法
CN114431599A (zh) * 2022-01-06 2022-05-06 华中科技大学 一种实现有效刷牙时间的方法及牙刷

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KR102416011B1 (ko) * 2021-08-20 2022-07-01 신유정 양치 훈련 시스템 및 그 방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111383750A (zh) * 2020-01-23 2020-07-07 亚仕科技(深圳)有限公司 刷牙控制方法及相关装置
CN112161693A (zh) * 2020-09-04 2021-01-01 威凯检测技术有限公司 一种检测电动牙刷振动频率的方法
CN114431599A (zh) * 2022-01-06 2022-05-06 华中科技大学 一种实现有效刷牙时间的方法及牙刷

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