WO2016047793A1 - Système d'aide au brossage de dents, fixation de brosse à dents, dispositif d'aide au brossage de dents et brosse à dents électrique - Google Patents

Système d'aide au brossage de dents, fixation de brosse à dents, dispositif d'aide au brossage de dents et brosse à dents électrique Download PDF

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Publication number
WO2016047793A1
WO2016047793A1 PCT/JP2015/077217 JP2015077217W WO2016047793A1 WO 2016047793 A1 WO2016047793 A1 WO 2016047793A1 JP 2015077217 W JP2015077217 W JP 2015077217W WO 2016047793 A1 WO2016047793 A1 WO 2016047793A1
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WIPO (PCT)
Prior art keywords
toothbrush
brushing
unit
data
toothbrushing
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Application number
PCT/JP2015/077217
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English (en)
Japanese (ja)
Inventor
歌野真理
Original Assignee
歌野真理
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Publication date
Application filed by 歌野真理 filed Critical 歌野真理
Priority to JP2016550424A priority Critical patent/JPWO2016047793A1/ja
Publication of WO2016047793A1 publication Critical patent/WO2016047793A1/fr

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    • 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
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • 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
    • G09B19/24—Use of tools

Definitions

  • the present invention relates to a toothpaste support system, a toothbrush attachment, a toothpaste support device, and an electric toothbrush.
  • a primary layer depicting a design and a secondary layer printed with a water reactive agent so as to conceal the primary layer are formed on the flocked portion and / or handle portion of the toothbrush.
  • the secondary layer printed with a water reactive agent is wetted with water, so that the water non-transparent secondary water agent absorbs water and expresses light, thereby drawing a design. It is disclosed that the primary layer can be seen through and the change in the design of the toothbrush can be seen before and after brushing, so that even young children can have fun brushing their teeth and naturally have a brushing habit.
  • the design applied to the toothbrush disclosed in Patent Document 1 has a structure integrated with the toothbrush body, and only changes statically before and after brushing.
  • the toothbrush part and the display part are composed of separate bodies, and the image displayed on the display part in conjunction with the toothbrushing movement changes in a moving image, so that the effect of supporting the infant's tooth brushing habit has not been paid attention.
  • the purpose is to support progress in brushing teeth.
  • a toothbrushing support system includes a toothbrush attachment that is detachably attached to a toothbrush handle, and an information processing apparatus having a display unit.
  • the toothbrush attachment includes a main body and a toothbrush attachment that is provided on the main body and detachably attaches the main body to a toothbrush handle.
  • the main body includes exercise detection means for detecting whether or not the user is performing a brushing exercise, and transmission means for transmitting exercise information based on the detected exercise.
  • the information processing apparatus includes a reception unit that receives the transmitted exercise information, an image generation unit that generates an image based on the received exercise information, and an image display unit that displays the generated image.
  • FIG. 1 is a block diagram illustrating an example of a main part configuration of a toothbrush holder 100 and an information processing apparatus 200 that configure a display system 300 according to the first embodiment of the present invention.
  • FIG. 2 shows a state in which the toothbrush holder (100) and the information processing apparatus (200) having a display unit, which constitute the display system (300) according to the first embodiment of the present invention, can transmit and receive with a wireless interface.
  • FIG. 3 is a schematic diagram showing how an infant is suddenly brushing teeth with a parent and child using a toothbrush holder equipped with a toothbrush in the first embodiment of the present invention.
  • FIG. 1 is a block diagram illustrating an example of a main part configuration of a toothbrush holder 100 and an information processing apparatus 200 that configure a display system 300 according to the first embodiment of the present invention.
  • FIG. 2 shows a state in which the toothbrush holder (100) and the information processing apparatus (200) having a display unit, which constitute the display system (300) according to the first embodiment of the present invention, can
  • FIG. 4 is a schematic diagram showing a transition of an application selection screen of the display unit included in the information processing apparatus in the first embodiment of the present invention.
  • FIG. 5 is a schematic diagram showing transition of a screen on which a specific object (character) moves (acts) in conjunction with the tooth brushing movement of the display unit included in the information processing apparatus in the first embodiment of the present invention.
  • FIG. 6 is a schematic diagram showing a transition of a collection screen of reward stamps of a display unit included in the information processing apparatus in the first embodiment of the present invention.
  • FIG. 7 is a flowchart illustrating an example of processing executed by the display system including the toothbrush holder and the information processing device in the first embodiment of the present invention.
  • FIG. 8 is a diagram showing an overall configuration of a tooth brushing support system according to the second embodiment of the present invention.
  • FIG. 9 is an external view of the toothbrush attachment of FIG.
  • FIG. 10 is an external view showing another configuration example of the toothbrush attachment of FIG.
  • FIG. 11 is an overall block diagram of a tooth brushing support system according to the second embodiment of the present invention.
  • FIG. 12 is a diagram illustrating an example of history data stored in the history data storage unit in FIG. 11.
  • FIG. 13 is a diagram illustrating an example of an image generated during the tooth brushing period by the video generation unit in FIG. 11.
  • FIG. 14 is a diagram illustrating an example of an image generated at the end of tooth brushing by the video generation unit in FIG. 11.
  • FIG. 15 is a flowchart showing a processing procedure of the tooth brushing support apparatus of FIG.
  • FIG. 16 is a diagram illustrating an overall configuration of a tooth brushing support system according to a modification of the second embodiment.
  • a display system (also referred to as a toothbrushing support system) provided by the present embodiment includes a toothbrush holder (also referred to as a toothbrush attachment) and an information processing apparatus (also referred to as a toothbrushing support apparatus).
  • the toothbrush holder includes a means for holding a toothbrush, detecting whether the user is performing a toothbrushing exercise using the held toothbrush, and transmitting exercise information based on the detected exercise.
  • the information processing apparatus includes means for receiving exercise information transmitted from the toothbrush holder, generating an image based on the received exercise information, and displaying the generated image.
  • the display system which concerns on this embodiment is a display system implement
  • FIG. 1 is a block diagram illustrating an example of a configuration of main parts of the toothbrush holder 100 and the information processing apparatus 200 that constitute the display system 300.
  • the display system 300 includes a toothbrush holder 100 and an information processing apparatus 200, and the toothbrush holder 100 includes an attachment tool 11, a motion detection unit 12, a calculation unit 13, and a transmission / reception unit. 14 with a main body.
  • the information processing apparatus 200 includes a transmission / reception unit 15, an image generation unit 16, and an image display unit 17.
  • the mounting tool (holding means) 11 holds the toothbrush.
  • the motion detection unit (motion detection means) 12 uses the toothbrush held by the wearing tool 11 to detect whether the user is performing a brushing exercise.
  • the movement detection part (movement detection means) 12 has an acceleration sensor which detects the acceleration which arises with a user's toothpaste movement.
  • Calculating section (calculating means) 13 calculates the number of brushing movements.
  • the transmission / reception unit (transmission means) 14 transmits exercise information 5d based on the exercise detected by the exercise detection unit 12.
  • the holding information 5 a output from the wearing tool 11 is input to the motion detection unit 12.
  • the exercise information 5b output from the exercise detection unit 12 is input to the calculation unit 13.
  • the calculation information 5 c output from the calculation unit 13 is input to the transmission / reception unit 14.
  • the exercise information 5 d output from the transmission / reception unit 14 is input to the transmission / reception unit 15.
  • the transmission / reception unit (reception unit) 15 receives the exercise information 5d transmitted from the transmission / reception unit 14.
  • the image generation unit (image generation unit) 16 generates an image based on the exercise information 5 e received by the transmission / reception unit 15.
  • the image generation unit (image generation unit) 16 preferably generates a moving image in which a specific object moves in conjunction with the result of the number of times of brushing calculated by the calculation unit (calculation unit) 13.
  • the image display unit (image display unit) 17 displays the image generated by the image generation unit 16.
  • the toothbrush holder 100 and the information processing apparatus 200 are preferably connected by a wireless interface. Further, the wireless interface preferably includes Bluetooth (registered trademark).
  • the exercise information 5e output from the transmission / reception unit 15 is input to the image generation unit 16.
  • the image information 5 f output from the image generation unit 16 is input to the image display unit 17.
  • the display system provided in the present embodiment includes a toothbrush holder attached to a toothbrush and an information processing apparatus having a display unit.
  • the toothbrush holder includes a holding unit that holds the toothbrush, a movement detection unit that detects whether the user is performing a toothbrushing exercise using the toothbrush held by the holding unit, and a movement based on the detected movement. Transmitting means for transmitting information.
  • the toothbrush holder can further include a temperature sensor. Thereby, the temperature of the palm can be measured at the opportunity for the user to brush his / her teeth, and this can also be utilized for the health management of the user.
  • the information processing apparatus displays a reception unit that receives the exercise information transmitted by the transmission unit included in the toothbrush holder, an image generation unit that generates an image based on the received exercise information, and the generated image.
  • Image display means that displays a display of the user's image.
  • FIG. 2 is a schematic diagram showing a state in which the toothbrush holder (100) and the information processing apparatus (200) having a display unit, which constitute the display system (300) of the present embodiment, can transmit and receive via a wireless interface. is there.
  • the toothbrush holder (100) in the present embodiment can be designed so that a commercially available toothbrush or a toothbrush sold as a dedicated product can be mounted.
  • the appearance of the toothbrush holder (100) is not particularly limited, but may be a character imitating an infant like a bear character. Further, the toothbrush holder (100) with the toothbrush mounted thereon can be designed to be able to stand on its own. As shown in FIG. 2, the exercise information transmitted from the toothbrush holder (100) can be received by the information processing apparatus (200) via the wireless interface.
  • Bluetooth registered trademark
  • Bluetooth (registered trademark) can be preferably employed as the wireless interface.
  • Bluetooth (registered trademark) Low Energy can also be preferably employed.
  • transmission / reception (communication) can be performed with extremely low power.
  • FIG. 3 is a schematic view showing a state where an infant is suddenly brushing teeth with a parent and child using a toothbrush holder (100) equipped with a toothbrush.
  • the toothbrush holder (100) according to the present invention is designed so that even if the user is an infant, the user can easily grip and brush the toothbrushing motion smoothly and comfortably.
  • a user who uses a toothbrush holder in this embodiment it is not limited to an infant, It can design so that it can be used even by an adult, an elderly person, and a disabled person.
  • FIG. 4 is a schematic diagram showing the transition of the application selection screen in the display unit included in the information processing apparatus.
  • FIG. 4A is a schematic diagram illustrating a specific example of the initial screen display of the display unit included in the information processing apparatus. On the screen shown in FIG. 4A, an image in which a bear character with a toothbrush appears is displayed.
  • selectable icons such as “Useful”, “Touroku”, “Stamp”, and “Collection” may be displayed in order from the left in the lower part of the screen shown in FIG.
  • FIG. 4B is a schematic diagram showing a specific example of a screen display explaining how to play an application.
  • a screen for explaining “how to play” of the application is displayed.
  • a screen explaining the “concept” of the application can be displayed.
  • FIG. 4C is a schematic diagram illustrating a specific example of the application selection screen.
  • An application selection screen is displayed on the display unit of the information processing apparatus (200).
  • an icon group indicating an application that can be started is displayed on the display unit of the information processing apparatus (200).
  • the “startable application” refers to generating a moving image in which a specific object moves (moves) in conjunction with a toothpaste exercise performed by the toothpaste wearing tool (100), and displays the generated moving image.
  • a specific object moves (moves) in conjunction with a toothpaste exercise performed by the toothpaste wearing tool (100)
  • displays the generated moving image There is no particular limitation as long as it can be performed.
  • an application in which a popular character that is familiar to an infant appears and the character performs some action in accordance with the tooth brushing movement of the infant is preferable.
  • icons constituting the application selection screen (A) “Kumakuma Dance”, (B) “Gaogao Park”, (C) “Penguin Rocket”, and (D) “Rabbit Boyken” is displayed as selectable.
  • the “specific object” is not particularly limited as long as it is an object that moves (operates) in conjunction with the toothbrushing motion detected by the motion detector provided in the toothbrush holder (100).
  • an object (character) in which a popular character that is easily familiar to an infant performs some action as the infant brushes their teeth is preferable.
  • an object (character) that performs some action in accordance with the tooth brushing movement of the infant can be created for the child by the parent using a software development kit.
  • FIG. 5 is a schematic diagram showing a transition of a screen on which a specific object (character) moves (motions) in conjunction with the tooth brushing movement in the display unit of the information processing apparatus.
  • FIG. 5A is a schematic diagram showing a specific example of a screen display in which a specific object (bear character) operates while counting the number of brushing exercises.
  • the application (A) “Kumakuma Dance” selected in FIG. 4C has a structure in which the user brushes his teeth and the bear character brushes his teeth. In other words, when the user brushes his / her teeth, he / she can enjoy the feeling of brushing his / her teeth. Thereby, a user's willingness to brush teeth can be aroused, and it can be brushed like a game while having fun.
  • the bear character shown in FIG. 5A has a characteristic of operating (toothbrushing operation) in conjunction with the user's toothbrushing motion detected by the motion detector provided in the toothbrush holder (100).
  • “toothpaste movement” may refer to a movement that performs a generally recommended way of brushing teeth, for example, a brushing movement that brushes the upper and lower dentitions at an appropriate pressure, at an appropriate angle. Examples thereof include a brushing exercise for brushing the upper and lower dentitions, and a brushing exercise for brushing at an equal ratio between the right dentition group and the left dentition group.
  • the acceleration sensor can detect the acceleration that accompanies the user's brushing motion.
  • the bear character shown in FIG. 5A has a characteristic that the toothbrush holder (100) has an operation (counting operation) in conjunction with the calculation of the number of brushing movements of the toothbrushing movement. Have.
  • “Brushing frequency” can be counted as a single brushing frequency based on the generally recommended method of brushing teeth. Can also be counted as one brushing.
  • a moving image in which the bear character brushes his / her teeth is displayed in conjunction with the user's brushing movement.
  • the number of brushing exercises of the user's toothpaste is displayed.
  • a message such as “Let's look at Mino's beautifully!” Is also displayed. This is linked to the fact that the motion detection unit detects whether the user's tooth brushing motion is being brushed at an equal rate in the right dentition group and the left dentition group. Thereby, the role which guides the user the correct toothbrushing method can also be fulfilled.
  • FIG. 5B shows a specific example of a screen display in which the specific object (bear character) notifies the end of the brushing exercise in conjunction with the user's brushing frequency of the brushing exercise reaching a predetermined number. It is a schematic diagram.
  • FIG. 5C is a schematic diagram showing a specific example of a screen display in which a stamp is given to the reward when the user's toothbrushing exercise is successfully performed and finished.
  • the bear character moves (toothpaste) in conjunction with the user's brushing movement.
  • the bear character moves (counts) in conjunction with the calculation of the number of brushing movements of the user's toothpaste.
  • the tooth brushing habit can be cultivated by allowing infants to brush their teeth while having fun like a game.
  • a reward stamp is given.
  • the infant is stimulated the willingness to brush the next time, and can cultivate a toothpaste habit.
  • a car stamp is displayed as a reward stamp.
  • the reward stamp is not particularly limited as long as it is an item familiar to an infant.
  • a message such as “Stamp Get!” Can be displayed on the screen shown in FIG. 5C, and an effect such as blinking the screen display can be displayed. Thereby, the infant is stimulated the willingness to brush the next time, and can cultivate a toothpaste habit.
  • FIG. 6 is a schematic diagram showing the transition of the reward stamp collection screen on the display unit of the information processing apparatus.
  • FIG. 6A is a schematic diagram showing a specific example of a screen display in which one reward stamp is given at the end of each tooth brushing exercise and six stamps can be collected. The screen shown in FIG. 6A displays that three reward stamps are collected and the remaining three reward stamps can be collected.
  • a message such as “You can get a“ reward ticket ”if you do 7!” Can also be displayed. Thereby, the infant is stimulated the willingness to brush the next time, and can cultivate a toothpaste habit.
  • FIG. 6B is a schematic diagram showing a specific example of a screen display in which 6 toothpaste exercises are completed, 6 reward stamps are given, and 6 stamps are collected.
  • the screen shown in FIG. 6B displays that six reward stamps have been collected.
  • a message such as “Wow! One more time for a“ Gain Ticket ”!” Can be displayed. Thereby, the infant is stimulated the willingness to brush the next time, and can cultivate a toothpaste habit.
  • FIG. 6C is a schematic diagram showing a specific example of a screen display on which a reward ticket is presented.
  • the screen shown in FIG. 6C displays that a reward ticket has been presented when the seventh reward stamp in FIG. 6B is given. Furthermore, it is possible to display a message such as “Let's ask for a“ Golden ticket ”!” And display effects such as blinking the screen display. Thereby, the infant is stimulated the willingness to brush the next time, and can cultivate a toothpaste habit.
  • the display system of the present embodiment described above can further record information such as the usage status of tooth brushing and how to brush teeth, and graph the recorded information. Thereby, the user can visually confirm the progress of his / her own tooth brushing habit. It is also possible to notify the family of the progress of the user's brushing habits by e-mail or the like.
  • the display system of the present embodiment described above can receive information on how to brush teeth recommended by a dentist.
  • FIG. 7 is a flowchart illustrating an example of processing executed by the display system 300, which includes the toothbrush holder 100 and the information processing apparatus 200.
  • parenthesized “ ⁇ steps” represent steps executed by the toothbrush holder 100 and the information processing apparatus 200.
  • the wearing tool 11 holds the toothbrush (step 1, holding step in which “step” is abbreviated as “S” hereinafter), and the motion detection unit 12 uses the toothbrush held by the wearing tool 11 to allow the user to
  • the calculation unit 13 calculates the number of brushing exercises (S3, calculation step)
  • the transmission / reception unit 14 is an exercise detection unit.
  • the exercise information 5d based on the exercise detected in 12 is transmitted (S4, transmission step).
  • the processing executed by the information processing apparatus 200 ends.
  • the transmission / reception unit 15 receives the exercise information 5d transmitted from the transmission / reception unit 14 (S5, reception step), and the image generation unit 16 generates an image based on the exercise information 5e received by the transmission / reception unit 15 (S6, Image generation step), the image display unit 17 displays the image generated by the image generation unit 16 (S7, image display step).
  • control method executed by the display system 300 including the toothbrush holder 100 and the information processing apparatus 200 is not limited to the above-described processing with reference to FIG. A process executed in each included unit may be arbitrarily included.
  • FIG. 8 is a diagram showing a configuration of a tooth brushing support system according to the second embodiment.
  • the tooth brushing support system 400 according to the second embodiment is a system for supporting the user's tooth brushing.
  • the tooth brushing support system 400 provides a support video for notifying the user of insufficient teeth to the user during the tooth brushing period. Toothpaste result video is provided to the user who has finished.
  • the toothbrushing support system 400 includes a toothbrush attachment (toothbrush holder) 100 of the toothbrush 700, a portable information communication terminal (information processing apparatus) 200, and a toothbrushing support apparatus 500.
  • the toothbrush attachment 100 and the portable information communication terminal 200 are connected to be able to communicate with each other by Bluetooth (registered trademark) or the like.
  • the portable information communication terminal 200 and the tooth brushing support device 500 are connected to each other via a public communication line 600 such as the Internet so that they can communicate with each other.
  • a portable information communication terminal of another user is connected to the tooth brushing support apparatus 500 via a public communication line 600 such as the Internet so that mutual communication is possible.
  • the toothbrush attachment 100 functions as a motion sensor that detects the movement of the mounted toothbrush 700. Sensor data (operation data) detected by the toothbrush attachment 100 is transmitted to the portable information communication terminal 200.
  • the portable information communication terminal 200 functions as a router.
  • the portable information communication terminal 200 receives the sensor data detected by the toothbrush attachment 100 and transmits it to the toothbrushing support device 500.
  • the portable information communication terminal 200 also functions as a display terminal (viewer).
  • the portable information communication terminal 200 displays the video data transmitted from the toothpaste support device 500.
  • the toothbrushing support apparatus 500 functions as an information processing apparatus that executes predetermined arithmetic processing on the received sensor data and generates an image corresponding to the result of the arithmetic processing.
  • FIG. 9A is an external perspective view showing the toothbrush attachment 100 of FIG.
  • FIG. 9B is a view taken along arrow A in FIG. FIG.9 (c) is a B arrow view of Fig.9 (a).
  • the toothbrush coordinate system ⁇ b is, for example, a coordinate system of three orthogonal axes (Xb, Yb, Zb) with the rear end of the handle as the origin.
  • the Zb axis is defined in parallel with the axial direction of the handle of the toothbrush 700.
  • the Xb axis is defined in parallel with the direction from the base of the brush of the brush head toward the tip, and the Yb axis is defined in parallel with the width direction of the toothbrush 700.
  • the toothbrush attachment coordinate system ⁇ a is a coordinate system of three orthogonal axes (Xa, Ya, Za).
  • the main body portion 140 of the toothbrush attachment is configured to have a planar rectangular shape, and a mounting tool (clip) 150 is attached to the back of the back surface of the main body portion 140.
  • the Ya axis is parallel to, for example, the length direction (long axis direction) of the main body 140
  • the Za axis is parallel to, for example, the width direction (short axis direction) of the main body 140, with an arbitrary position near the tip of the main body 140 as the origin.
  • the Xa axis is defined in parallel with the thickness direction of the main body 140, for example.
  • the sensor unit 109 accommodated in the main body 140 employs a so-called 9-axis sensor including an acceleration sensor having sensitivity for three orthogonal axes, an angular velocity sensor having sensitivity for three orthogonal axes, and a geomagnetic sensor. .
  • a so-called six-axis sensor including an acceleration sensor with respect to three orthogonal axes and an angular velocity sensor with respect to three orthogonal axes may be employed.
  • the acceleration sensor and the angular velocity sensor are arranged so that the sensitivity axis (three orthogonal axes) of the acceleration sensor and the sensitivity axis (three orthogonal axes) of the angular velocity sensor are the same.
  • the sensor unit 109 is installed in the main body unit 140 so that the sensitivity axes (three orthogonal axes) of the acceleration sensor and the angular velocity sensor coincide with the toothbrush attachment coordinate system ⁇ a.
  • the toothbrush attachment 100 has a main body 140.
  • the main body 140 is molded into a predetermined shape with a polymer resin, such as PPS.
  • a clip-type mounting tool 150 for detachably mounting the toothbrush 700 to the toothbrush attachment 100 is provided on the back surface of the main body 140.
  • the mounting tool 150 typically detachably mounts the main body 140 on the handle of the toothbrush 700.
  • the toothbrush attachment coordinate system ⁇ a is parallel to the toothbrush coordinate system ⁇ b.
  • the mounting tool 150 includes a structure for making the toothbrush attachment coordinate system ⁇ a parallel to the toothbrush coordinate system ⁇ b.
  • the mounting tool 150 has a clip base 151.
  • Clip base 151 is fixed to the back surface of main body 140.
  • the width direction of the clip base 151 is typically parallel to the width direction of the main body 140.
  • a clip body 153 is rotatably attached to the tip of the clip base 151.
  • the rotation axis of the clip main body 153 is parallel to the width direction of the main body 140.
  • the clip main body 153 is urged so that the clip surface approaches the main body 140 side by a spring coil, for example.
  • the contact part 155 is a filament.
  • the contact portion 155 is parallel to the width direction of the main body portion 140.
  • the contact portion 155 is parallel to the clip base 151.
  • the distance between the contact portion 155 and the clip base 151 is slightly longer than the width of a typical toothbrush handle, for example, 10 mm.
  • the contact part 155 constitutes a side wall of the groove part that accommodates the handle of the toothbrush together with the clip base 151.
  • the back surface of the main body 140 constitutes the bottom surface of the groove.
  • the groove guides the direction of the toothbrush.
  • the toothbrush coordinate system ⁇ b of the toothbrush guided to the groove is parallel to the toothbrush attachment coordinate system ⁇ a of the toothbrush attachment 100.
  • the length of the clip surface of the clip main body 153 and the length from the rotation axis of the clip main body 153 to the tip thereof are longer than the distance between the clip base 151 and the contact portion 155.
  • the tip of the clip surface of the clip body 153 contacts the contact portion 155.
  • the height of the clip base 151 to the rotation axis of the clip body 153 is slightly higher than the thickness of a typical toothbrush handle, for example, 6 mm.
  • the contact part 155 is lower than the clip base 151.
  • the handle of the toothbrush 700 accommodated in the groove is pressed against the back surface of the main body 140 by the clip surface of the clip main body 153.
  • the toothbrush 700 can be fixed with respect to the toothbrush attachment 100.
  • the contact portion 155 being lower than the clip pedestal 151 realizes holding the toothbrush 700 having various thicknesses.
  • FIG. 10A is an external perspective view showing another example of the toothbrush attachment 100 of FIG.
  • FIG. 10B is a cross-sectional view taken along the line AA in FIG.
  • the toothbrush attachment 100 may be a penetration insertion type.
  • the toothbrush attachment 100 is formed into a substantially rectangular parallelepiped with an elastic material, for example, a silicone resin.
  • the toothbrush attachment 100 is formed with an insertion hole 160 penetrating in parallel with the short axis of the substantially rectangular parallelepiped.
  • the insertion hole 160 is provided with an attachment 161 that is formed into a cylindrical shape with an elastic body.
  • the handle of the toothbrush 700 inserted into the insertion hole 160 is fixed to the mounting tool 161 by a frictional force generated between the surface of the handle and the mounting tool 161.
  • the toothbrush 700 is fixed such that the axis direction (Zb axis) of the handle is parallel to the width direction of the toothbrush attachment 100, that is, parallel to the Za axis.
  • FIG. 11 is a block diagram of the tooth brushing support system 400 of FIG.
  • the toothbrush attachment 100 has a control unit 101.
  • the control unit 101 is connected to each unit via a control / data bus.
  • the control unit 101 is a microcomputer having a CPU (Central Processing Unit), a semiconductor memory, and the like, and controls each unit in an integrated manner.
  • the power supply unit 103 supplies power to each unit of the toothbrush attachment 100.
  • the operation unit 105 includes a switch for turning on / off the toothbrush attachment 100. When the ON signal is input via the operation unit 105, the control unit 101 starts control of the sensor unit 109 and the transmission / reception unit 107.
  • the sensor unit 109 is a motion sensor for detecting the operation of the toothbrush 700 to which the toothbrush attachment 100 is attached.
  • a 3-axis acceleration sensor 111 detects the change rate (acceleration) of the moving speed of the toothbrush 700 in the directions of the three orthogonal axes and outputs it as acceleration data.
  • the triaxial angular velocity sensor 113 detects a change rate (angular velocity) of the posture (orientation) of the toothbrush 700 around each of the three orthogonal axes and outputs it as angular velocity data.
  • the triaxial geomagnetic sensor 115 detects the absolute direction of each of the three orthogonal axes with respect to a certain fixed coordinate system (for example, the world coordinate system) and outputs it as geomagnetic data.
  • the sensor unit 109 outputs sensor data (acceleration data, angular velocity data, geomagnetic data) every detection period ⁇ t.
  • the transmission / reception unit 107 repeatedly transmits the sensor data detected by the sensor unit 109 to the portable information communication terminal 200 in synchronization with a predetermined cycle, for example, the detection cycle of the sensor unit 109, under the control of the control unit 101.
  • the sensor data detected by the sensor unit 109 is stored in the sensor data storage unit 106 of the toothbrush attachment 100 according to the control of the control unit 101. .
  • the sensor data stored in the sensor data storage unit 106 is transmitted to the portable information communication terminal 200 according to the control of the control unit 101 after the toothbrush attachment 100 is connected to the portable information communication terminal 200.
  • the portable information communication terminal 200 has a control unit 201.
  • the portable information communication terminal 200 is, for example, a smartphone or a tablet terminal.
  • the portable information communication terminal 200 may be a dedicated terminal for the tooth brushing support system 400.
  • Each unit is connected to the control unit 201 via a control / data bus.
  • the control unit 201 is a microcomputer having a CPU, a semiconductor memory, and the like, and controls each unit of the portable information communication terminal 200 in an integrated manner.
  • the transmission / reception unit 203 of the portable information communication terminal 200 is connected to the transmission / reception unit 107 of the toothbrush attachment 100 so as to be capable of bidirectional communication by Bluetooth (registered trademark) or the like.
  • the transmission / reception unit 203 receives sensor data from the transmission / reception unit 107 of the toothbrush attachment 100.
  • the transmission / reception unit 205 of the portable information communication terminal 200 is communicably connected to the transmission / reception unit 503 of the toothpaste support apparatus 500 via the Internet 600.
  • the transmission / reception unit 205 transmits the sensor data received from the toothbrush attachment 100 to the toothbrushing support device 500.
  • the transmission / reception unit 205 transmits a user ID to the tooth brushing support device 500 according to the control of the control unit 201.
  • the transmission / reception unit 205 receives the video data sent from the toothpaste support apparatus 500 according to the control of the control unit 201.
  • the camera 208 generates video data according to the control of the control unit 201.
  • the camera 208 is attached to the display screen side of the display unit 207, for example.
  • the user's mouth portion of the user who is brushing his / her teeth can be photographed with the camera 208 while viewing the display unit 207.
  • photographing by the camera 208 is performed.
  • the oral image data generated by the camera 208 is stored in the storage unit 204 together with a code representing the shooting date and time under the control of the control unit 201.
  • the oral image data stored in the storage unit 204 can be displayed as a moving image on the display unit 207 under the control of the control unit 201. Thereby, the user can confirm the state of past tooth brushing.
  • the storage unit 204 stores data on the toothpaste application.
  • the data of the tooth brushing application is data downloaded from the tooth brushing support device 500, for example.
  • the data of the toothpaste application includes various data related to the toothpaste application, for example, data such as a login screen and a setting screen of the toothpaste application.
  • the operation unit 209 functions as an input interface for the user to perform input operations such as activation of the toothpaste application, selection of the user by the toothpaste application, input of user information (age, gender, height, weight, group, and the like).
  • the operation unit 209 is provided by a touch panel integrated with the display unit 207, for example.
  • the display unit 207 displays a brushing application login screen, a user information input screen, a user selection screen, and the like under the control of the control unit 201.
  • the display unit 207 displays video data received from the tooth brushing support apparatus 500 via the transmission / reception unit 205 under the control of the control unit 201.
  • the tooth brushing support apparatus 500 includes a control unit 501. Each unit is connected to the control unit 501 via a control / data bus.
  • the control unit 501 is a microcomputer having a CPU, a semiconductor memory, and the like, and controls each part of the toothpaste support apparatus 500 in an integrated manner.
  • the transmission / reception unit 503 of the tooth brushing support apparatus 500 receives the sensor data sent from the portable information communication terminal 200. The received sensor data is stored in the RAM of the arithmetic processing unit 513 in association with the detection cycle under the control of the control unit 501.
  • the history data storage unit 505 stores past tooth brushing data for each user.
  • FIG. 12 is a diagram illustrating an example of tooth brushing data stored in the history data storage unit 505 in FIG.
  • At least one of the user ID and the attachment ID is associated with the tooth brushing data.
  • user information such as age, sex, height, weight, affiliation group, and the like is associated with the toothpaste data.
  • Toothpaste data includes data on the date and time of toothbrushing, the degree of achievement in brushing for each partial area, the overall achievement level, and the occurrence of reward stamps.
  • the calculation processing unit 513 executes a predetermined calculation process on the sensor data, thereby specifying the ranking of the user together with the user's degree of brushing achievement.
  • the arithmetic processing unit 513 includes a position specifying processing unit 511, a tooth brushing index calculation processing unit 513, an achievement level determination processing unit 515, and a ranking generation processing unit 517.
  • the position specifying processing unit 511 specifies the position of the head of the toothbrush 700 based on the sensor data. Specifically, the entire oral cavity region is divided into a plurality of, in this case, six partial regions (upper central region, upper right region, upper left region, lower central region, lower right region, lower left region), and position specifying processing The part 511 specifies in which partial area in the oral cavity the head of the toothbrush 700 is arranged. For this purpose, the position specification processing unit 511 specifies the posture of the toothbrush 700 based on the angular velocity data and the geomagnetic data. The posture of the toothbrush 700 is defined by the orientation of each axis of the toothbrush coordinate system ⁇ b of the toothbrush 700 with respect to each axis of the fixed coordinate system (for example, the world coordinate system).
  • the position specifying processing unit 511 specifies the absolute direction of each axis of the toothbrush coordinate system ⁇ b on the fixed coordinate system based on the geomagnetic data, and each axis of the toothbrush coordinate system ⁇ b with respect to each axis of the fixed coordinate system based on the angular velocity data. Specify the direction of. In this manner, the position specification processing unit 511 specifies the posture of the toothbrush 700 and compares the specified posture data of the toothbrush 700 with a posture data set that holds the toothbrush 700 in advance. This posture data set includes posture data of the toothbrush 700 when brushing teeth of each of the six partial regions. It is possible to specify in which region the head of the toothbrush 700 is arranged depending on which partial region has the specified posture data similar to the posture data.
  • the position specification processing unit 511 specifies sensor data for each partial region.
  • the tooth brushing index calculation processing unit 513 calculates a tooth brushing index for each partial area based on the sensor data for each partial area specified by the position specifying processing unit 511. Here, at least one of the number of times of brushing, the brushing time, and the brushing distance is calculated as the tooth brushing index.
  • the brushing frequency refers to the number of times the toothbrush 700 brushes its teeth, and is defined as the number of times the head of the toothbrush 700 reciprocates.
  • the reciprocating trajectory may be a straight trajectory or a curved trajectory.
  • the tooth brushing index calculation processing unit 513 calculates the number of times of brushing for each partial area based on the sensor data for each partial area. For example, the moving direction and the moving distance of the head of the toothbrush 700 in each axial direction of the toothbrush coordinate system ⁇ b are calculated each time the detection period ⁇ t elapses by multiplying the acceleration data for each detection period ⁇ t by the detection period ⁇ t. be able to. By calculating the movement direction and the movement distance, the number of times the head of the toothbrush 700 is reciprocating can be specified.
  • the reciprocating distance for recognition as the number of times of brushing is set to 50 mm, for example. Thereby, the reciprocating movement of the head of the toothbrush 700 whose reciprocating movement distance exceeds 50 mm or more can be excluded, and the accuracy of the number of brushing operations can be improved.
  • the sensor data for each partial region includes sensor data corresponding to a period during which tooth brushing is performed and sensor data corresponding to a period during which tooth brushing is not performed.
  • a range of acceleration data for qualifying toothpaste may be set.
  • the brushing distance is defined by the moving distance of the head of the toothbrush 700 accompanying the reciprocating movement of the toothbrush 700.
  • the tooth brushing index calculation processing unit 513 calculates a brushing distance for each partial region based on the acceleration data. Specifically, the movement distance of the head of the toothbrush 700 in each axial direction of the toothbrush coordinate system ⁇ b is calculated each time the detection period ⁇ t elapses by multiplying the acceleration data for each detection period ⁇ t by the detection period ⁇ t. Can do. By integrating this calculation process for each partial area, the brushing distance for each partial area can be calculated.
  • the brushing time refers to the time for brushing teeth with the toothbrush 700 and is defined as the time during which the head of the toothbrush 700 is moving.
  • the tooth brushing index calculation processing unit 513 calculates a brushing time for each partial region based on sensor data corresponding to a period during which tooth brushing is performed.
  • the achievement level determination processing unit 515 determines a brushing achievement level for each partial region according to at least one tooth brushing index value among the brushing distance, the brushing time, and the number of times of brushing calculated by the tooth brushing index calculation processing unit 513.
  • the achievement level of tooth brushing is determined in a plurality of stages, here three stages (A, B, C) according to the magnitude of the tooth brushing index value.
  • the achievement level determination processing unit 515 assigns A, B, and C in the order in which the degree of brushing is high, that is, the teeth are well brushed.
  • the achievement level identifying unit 513 determines the achievement level of brushing for each partial area according to the brushing distance.
  • first threshold value ⁇ second threshold value two threshold values for dividing the brushing distance into three stages.
  • These first and second threshold values may be fixed values, or may be variable values that vary according to user information (age, height, weight, sex, etc.). These can be appropriately changed according to user instructions.
  • the achievement level determination processing unit 515 compares the brushing distance against the first and second threshold values. When the brushing distance is equal to or less than the first threshold value, the degree of achievement of brushing in the partial area is determined as “C”. Similarly, the achievement level determination processing unit 515 compares the brushing distance with respect to the first and second threshold values.
  • the achievement level of brushing in the partial region is determined. It is determined as “B”.
  • the achievement level determination processing unit 515 compares the brushing distance against the first and second threshold values, and when the brushing distance exceeds the second threshold value, determines the achievement level of brushing of the partial region as “A”. To do.
  • the achievement level determination processing unit 515 determines the overall brushing achievement level (hereinafter referred to as the total achievement level) according to the brushing achievement level for each partial region.
  • the overall achievement level can be divided into 18 stages.
  • the achievement level determination processing unit 515 divides 18 levels into 3 levels from the top, and assigns A, B, C, D, E, and F in order from the highest overall achievement level.
  • the ranking generation processing unit 517 generates the ranking of the user based on the overall achievement level determined by the achievement level determination processing unit 515. Specifically, the ranking generation processing unit 517 reads the overall achievement level of other users from the history data storage unit 505, and calculates the ranking of the user based on the overall achievement level of the user and the overall achievement level of the other user. appear.
  • the ranking generated by the ranking generation processing unit 517 may be a ranking for all users stored in the history data storage unit 505 or a ranking for members in a group to which the user belongs. Or two of these.
  • the ranking generated by the achievement level determination processing unit 515 may be ranking based on data for one day stored in the history data storage unit 505, or ranking based on data for a predetermined period. It may be.
  • the ranking generation processing unit 517 may generate the ranking of the user based on the number of logins or the number of continuous logins during a predetermined period of the user.
  • the video generation unit 507 generates support video data according to the combination of the degree of achievement in brushing for each partial area determined by the achievement level determination processing unit 515.
  • FIG. 13A is a plan view showing an example of a support video generated by the video generation unit 507 in FIG.
  • FIG. 13B is a plan view showing another example of the support video generated by the video generation unit 507 of FIG.
  • FIG. 13C is a plan view showing another example of the support video generated by the video generation unit 507 of FIG.
  • the support video is a video for supporting the user's tooth brushing.
  • the support video simulates a text for guiding a tooth to be brushed to a user, a video imitating the oral cavity, and a toothbrush 700 on a moving image in which a specific object moves (moves) in conjunction with the above-described toothpaste movement.
  • This is a composite image of the image.
  • the display mode of the teeth of each partial area is set according to the achievement degree of brushing of each partial area. For example, the teeth in the partial area corresponding to the achievement level “C” of tooth brushing are red, the teeth in the partial area corresponding to the achievement degree “B” of tooth brushing are yellow, and the teeth in the partial area corresponding to the achievement degree “A” of brushing. Is displayed in white.
  • the image simulating the toothbrush 700 is arranged at a position corresponding to the tooth that the user is currently brushing.
  • the user can check the achievement level of the brushing of the tooth being brushed and the degree of achievement of brushing the other partial areas and the text for guiding the brushed tooth while brushing the teeth.
  • the image simulating the oral cavity may be a user's oral image, for example, an oral image of the user who is actually brushing his / her teeth.
  • the data of the mouth image of the user who is brushing his / her teeth is generated by the camera 208 of the portable information communication terminal 200 and is taken into the toothbrushing support device 500 at a predetermined cycle.
  • the video generation unit 507 superimposes a pattern reminiscent of the achievement level for each partial region on the user's oral video.
  • a star mark is conceivable as a pattern pronounced of tooth brushing achievement “A”.
  • a pattern pronounced of tooth brushing achievement “B” or “C” for example, a schematic picture of “Bacilli” is exemplified.
  • the change in the manner in which the “Bacteria” falls off the teeth as the brushing progresses. is realized.
  • Such a display mode change is particularly useful from the viewpoint that an infant can visually understand the brushing effect.
  • the user's oral image may be a past image of the user's oral cavity. Further, the process of incorporating the mouth image of the user who is brushing teeth into the support image may be performed by the portable information communication terminal 200.
  • FIG. 14 is a plan view showing an example of a tooth brushing result image generated by the image generation unit 507 in FIG.
  • This tooth brushing result image is an image for notifying the user's tooth brushing result.
  • the tooth brushing result image includes text for notifying the user of the overall achievement level, the current ranking, and insufficient teeth as a result of tooth brushing.
  • a video imitating the oral cavity is placed near the text for notifying the teeth that are not polished.
  • the display mode is set so that the teeth corresponding to the partial region where the degree of brushing is low (for example, the level of brushing is “C”) is conspicuous.
  • the portable information communication terminal 200 may have the function of the video generation unit 507 of the toothpaste support apparatus 500.
  • data on the degree of brushing achievement generated by the tooth brushing support device 500 is transmitted to the portable information communication terminal 200 by the transmission / reception unit 503, and a support image is generated and displayed on the portable information communication terminal 200.
  • the tooth brushing achievement level data and the overall achievement level data generated by the tooth brushing support device 500 are transmitted to the portable information communication terminal 200 by the transmission / reception unit 503, and the portable information communication terminal 200 brushes the teeth.
  • a result image is generated and displayed.
  • FIG. 15 is a flowchart showing a processing procedure of the tooth brushing support apparatus 500 of FIG.
  • Process S11 In the portable information communication terminal 200, login information is input from the portable information communication terminal 200 when the toothpaste application is activated. This login information includes a user ID. As a result, the user information stored in the history data storage unit 505 is read out.
  • Process S12 Sensor data is input from the portable information communication terminal 200. The input sensor data is stored in the RAM of the arithmetic processing unit 509 together with the detection cycle.
  • Step S17 The data of support video generated in step S16 is transmitted to the portable information communication terminal 200 by the transmission / reception unit 503.
  • the processes according to the above steps S12 to S17 are repeatedly executed until the toothbrushing end condition is satisfied.
  • the toothbrushing end condition is the time during which the toothbrush 700 is stopped. In other words, while the toothbrush 700 is moved, the processes related to the above steps S12 to S17 are repeatedly executed.
  • the toothbrushing end condition may be a user instruction via the operation unit 209 of the portable information communication terminal 200.
  • the overall achievement level is specified by the achievement level determination processing unit 515 in accordance with the degree of brushing achievement for each partial area specified in step S15.
  • the ranking generation processing unit 517 generates rankings of users according to the overall achievement level specified in step S19.
  • the image generation unit 507 generates a tooth brushing result image (see FIG. 14) according to the degree of achievement in brushing for each partial area specified in step S15, the overall achievement level specified in step S19, and the ranking specified in step S20. Is done.
  • the data of the brushing result image generated in step S21 is transmitted to the portable information communication terminal 200 by the transmission / reception unit 503.
  • the tooth brushing support system 400 it is possible to provide a support video to the user during the tooth brushing period and provide a tooth brushing result video to the user who has finished the tooth brushing.
  • the support image includes an image for notifying the user of teeth that are not brushed and a text for instructing the teeth to be brushed. This support image is updated at a predetermined cycle during the period of brushing. The user can finish brushing without leaving insufficient teeth by brushing his / her teeth while visually recognizing the support image displayed on the portable information communication terminal 200.
  • the tooth brushing result image includes an image for notifying a tooth that has not been brushed as a result of brushing and a text for teaching how to brush the teeth.
  • the user can refer to future brushing by viewing the brushing result image displayed on the portable information communication terminal 200.
  • the toothpaste result video includes text on overall achievement and ranking as a result of brushing.
  • the position specifying function, the tooth brushing index calculation function, the achievement level determination function, and the video generation function are described as being realized by the tooth brushing support device 500 together with the history data storage function and the ranking generation processing function.
  • the history data storage function and the ranking generation processing function need to be realized by the tooth brushing support device 500 functioning as a server.
  • the position specifying function, the tooth brushing index calculation function, the achievement level determination function, and the video generation function may be realized by the portable information communication terminal 200.
  • the position specifying program code, the toothpaste index calculation program code, the achievement determination program code, and the video data are typically downloaded from the toothpaste support apparatus 500 to the portable information communication terminal 200 at the time of application purchase, and are stored in the portable information communication terminal 200. Installed. In this case, the portable information communication terminal 200 can function as a tooth brushing support device.
  • the said description demonstrated the example of the toothbrush attachment attached to the handle of a manual toothbrush, you may attach to the handle of an electric toothbrush.
  • the sensor 109, the operation unit 105, the sensor data storage unit 106, and the transmission / reception unit 107 are incorporated in the electric toothbrush together with the vibration unit 117 and the vibration control unit 119 that are usually provided in the electric toothbrush. May be.
  • the sensor data of the 9-axis sensor in particular the acceleration sensor and the angular velocity sensor, includes a frequency component due to vibration of the electric toothbrush, and removes a relatively high frequency component due to the vibration from the sensor data and manually
  • a low-pass filter 121 is applied to the sensor data in order to pass a relatively low-frequency component related to acceleration and angular velocity, and toothpaste index calculation processing is performed on the sensation data subjected to the low-pass processing. It is necessary to perform.
  • the degree of achievement of brushing is determined for each partial region in the oral cavity by the tooth brushing support device 500, and an image for supporting tooth brushing is selectively carried from the tooth brushing support device 500 according to the level of achievement of brushing.
  • the user By transmitting to the portable information communication terminal 200 and displaying the video on the portable information communication terminal 200, the user can visually recognize the degree of achievement of brushing for each partial area, and can carry out brushing accordingly. Tooth brushing support is realized.
  • the vibration intensity / vibration frequency determination unit 519 dynamically determines the vibration intensity, vibration frequency, or both of the electric toothbrush according to the degree of brushing for each partial region, By dynamically changing the vibration intensity, vibration frequency, or both of the electric toothbrush by transmitting data from the toothbrushing support device 500 to the vibration control unit 119 of the electric toothbrush via the portable information communication terminal 200.
  • the user may be made to recognize the achievement level of brushing for each partial area by tactile sense and support brushing accordingly.
  • electric toothbrushes such as an ultrasonic vibration type, a sound wave vibration type, a vibration type, a reciprocating motion type, a brush rotation type, and a brush head swing type.
  • Vibration intensity and vibration frequency should be interpreted broadly to mean operation intensity and operation frequency applied to all these types.
  • the achievement level of tooth brushing is typically determined based on the tooth brushing time for each partial region of the toothbrush head.
  • the toothbrushing support apparatus 500 repeatedly transmits to the portable information communication terminal 200 data regarding the degree of achievement of brushing related to the partial area where the current toothbrush head is located.
  • the portable information communication terminal 200 transmits, to the electric toothbrush, data relating to vibration intensity and the like corresponding to data relating to the degree of achievement of brushing relating to the partial region where the current toothbrush head is located.
  • the vibration control unit 119 of the electric toothbrush changes the amplitude intensity, the amplitude frequency, or both of the drive current to the vibration unit 117 according to the data relating to the vibration intensity received via the receiver 107.
  • the vibration intensity is kept low, if the degree of achievement is low, the vibration intensity is increased, and if the degree of achievement is high, the vibration frequency is decreased, and if the degree of achievement is low, the vibration frequency is increased.
  • the user can understand areas where brushing has been completed and areas where brushing has not been completed due to the strength and slowness of the vibration. The user is prompted to move the toothbrush head to an area where brushing has not been completed. It can be expected that the quality of toothpaste will improve.
  • a vibration unit 117 and a vibration control unit that an electric toothbrush normally includes a sensor 109, an operation unit 105, a position identification processing unit 511, a tooth brushing index calculation processing unit 513, an achievement degree determination processing unit 515, and a vibration intensity / vibration frequency determination unit 519
  • the electric toothbrush is stand-alone, specifies a tooth brushing region, calculates a tooth brushing index or a tooth brush achievement level for each region, and the vibration control unit 119 accordingly performs amplitude amplitude, amplitude frequency, or both of the drive current to the vibration unit 117 accordingly. Can be realized.
  • 5d Exercise information
  • 200: Information processing device 300: Display system.

Abstract

　La présente invention a pour but d'encourager la maîtrise du brossage de dents. Un système d'aide au brossage de dents comporte une fixation de brosse à dents montée de manière amovible sur le manche d'une brosse à dents et un dispositif de traitement d'informations comprenant une partie d'affichage. La fixation de brosse à dents comprend un corps et un outil d'ajustement de brosse à dents pour monter de manière amovible le corps sur le manche de la brosse à dents. Le corps comprend une partie de détection de mouvement pour détecter si un utilisateur réalise ou non un mouvement de brossage de dents. Le dispositif de traitement d'informations génère une image sur la base des informations de mouvement détecté et affiche l'image générée.
PCT/JP2015/077217 2014-09-26 2015-09-25 Système d'aide au brossage de dents, fixation de brosse à dents, dispositif d'aide au brossage de dents et brosse à dents électrique WO2016047793A1 (fr)

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