WO2021201017A1 - ウェアラブルデバイスの装着判定方法、及び、ウェアラブルデバイス - Google Patents

ウェアラブルデバイスの装着判定方法、及び、ウェアラブルデバイス Download PDF

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Publication number
WO2021201017A1
WO2021201017A1 PCT/JP2021/013661 JP2021013661W WO2021201017A1 WO 2021201017 A1 WO2021201017 A1 WO 2021201017A1 JP 2021013661 W JP2021013661 W JP 2021013661W WO 2021201017 A1 WO2021201017 A1 WO 2021201017A1
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Prior art keywords
wearable device
determined
user identification
proximity object
user
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Ceased
Application number
PCT/JP2021/013661
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English (en)
French (fr)
Japanese (ja)
Inventor
哲視 星川
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Trinity Inc
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Trinity Inc
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Application filed by Trinity Inc filed Critical Trinity Inc
Priority to JP2022512580A priority Critical patent/JP7729623B2/ja
Publication of WO2021201017A1 publication Critical patent/WO2021201017A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer

Definitions

  • the present invention relates to a method for accurately determining whether or not a wearable device is worn on the user's body, and a wearable device that performs this method.
  • Such services are services that provide various information and entertainment such as voice and images regardless of the position and physical condition of the user wearing the wearable device, and various operating conditions of the user wearing the wearable device. Is detected by the sensor of the wearable device, and the service that supports and manages the user's work based on the detected operation data, various physical information of the user wearing the wearable device is detected by the sensor of the wearable device, There are a wide variety of services, such as services that provide medical information customized to the user's physical condition based on the detected physical data, and services that combine these services. Both services measure and communicate with the wearable device attached to the user.
  • Patent Document 1 it is determined whether or not the user is wearing the wireless earphone based on the signal received from the wireless earphone.
  • the wearing determination is performed by detecting the biometric information of the user with a wearable device.
  • the user's biological information used here is specifically the user's pulse rate and blood pressure value acquired by the near-infrared sensor.
  • a method of measuring the pulse value with a reflective LED irradiation type sensor can also be technically adopted, but in this case, the smart watch is placed on the desk and worn by the user. Even if it is not, the pulse value is output, so it is not effective.
  • the mounting determination is performed by comparing the vehicle information with the user's motion information acquired by the wearable device.
  • the user's motion information used here is specifically the acceleration generated on the user's arm, which is the total value of the three-axis accelerations.
  • the wearing judgment is performed by detecting and measuring the physical condition of a certain user only once by the sensor built in the wearable device. Moreover, in the conventional mounting determination, it is determined whether or not the wearable device and the user are in close proximity to each other, even if the events to be detected or measured are various.
  • the present inventor requested a wearable device mounting determination with improved accuracy. Specifically, we examined a more accurate mounting judgment method that replaces the conventional general method of determining the relationship between a wearable device and a user with a single measurement.
  • the present inventor determines the wearing state of the wearable device by a plurality of detection / measurement steps: a step of determining the presence / absence of a proximity object to the wearable device (proximity object determination step), and whether or not the presence / absence of the proximity object is accurate.
  • the fact that the wearable device is worn by the user which comprises (3) a user identification step and (4) a final determination step of determining whether or not the proximity object to the wearable device is the user via means other than the infrared sensor. How to determine the wearable device for confirmation.
  • invention 2 The method for determining the attachment of a wearable device according to invention 1, wherein in the follow-up step (2) above, a close object to the wearable device is continuously detected for a certain period of time via an infrared sensor of the wearable device.
  • the temperature difference between the wearable device and the proximity object to the wearable device is calculated via the temperature sensor of the wearable device, and the proximity object to the wearable device becomes the wearable device by this temperature difference.
  • (3-1) User identification step by temperature difference to determine whether or not they are in close contact, and / or calculate the amount of movement of a nearby object with respect to the wearable device via the acceleration sensor of the wearable device, and wearable by this amount of movement.
  • the method for determining the wearing of a wearable device according to the invention 1 or 2 further comprising (3-2) a user identification step based on the amount of movement, which determines whether or not a proximity object to the device is in human movement.
  • the above (1) proximity object determination step is performed, and when the above (1) proximity object determination step does not detect a proximity object and it is determined that there is no proximity object in the wearable device, the above (2) ) Proceed to the follow-up step, and if a nearby object is detected in the above (1) proximity object determination step and it is determined that the wearable device has a proximity object, the process proceeds to the above (3) user identification step and the above (2).
  • Follow-up step or the above (3) user identification step is followed by the above (4) final determination step, and in the above (4) final determination step, the above (2) follow-up step or the above (3) user identification step.
  • the method for determining the attachment of a wearable device according to any one of the inventions 1 to 3, wherein the wearing state of the wearable device is finally determined according to the determination result.
  • the wearable device is attached to the user by executing (3) a user identification step and (4) a final determination step of determining whether or not the proximity object to the wearable device is the user via a means other than the infrared sensor. A wearable device that can be confirmed.
  • invention 7 The wearable device of the invention 6 that continuously detects an object close to the wearable device for a certain period of time via the infrared sensor of the wearable device in the follow-up step (2) above.
  • (Invention 8) In the above (3) user identification step, the temperature difference between the wearable device and the proximity object to the wearable device is calculated via the temperature sensor of the wearable device, and the proximity object to the wearable device becomes the wearable device by this temperature difference.
  • (3-1) User identification step by temperature difference to determine whether or not they are in close contact, and / or calculate the amount of movement of a nearby object with respect to the wearable device via the acceleration sensor of the wearable device, and wearable by this amount of movement.
  • the above (1) proximity object determination step is performed, and when the above (1) proximity object determination step does not detect a proximity object and it is determined that there is no proximity object of the wearable device, the above (2) ) Proceed to the follow-up step, and if a nearby object is detected in the above (1) proximity object determination step and it is determined that the wearable device has a proximity object, the process proceeds to the above (3) user identification step and the above (2).
  • Follow-up step or the above (3) user identification step is followed by the above (4) final determination step, and in the above (4) final determination step, the above (2) follow-up step or the above (3) user identification step.
  • the wearable device according to any one of the inventions 6 to 8, which finally determines the wearing state of the wearable device according to the determination result.
  • the problem of the prior art that the mounting determination accuracy is lowered by analyzing the data when not mounted is solved. That is, in the wearable device wearing determination method of the present invention, the user carries the wearable device without wearing it. The wearable device is placed on a desk, but a nearby object is detected by the infrared sensor of the wearable device. , There is no erroneous judgment in a situation where the user and the wearable device are not in the correct positional relationship when the wearable device is worn due to shaking when the user wears the wearable device. That is, in the wearable device wearing determination method of the present invention, it is possible to accurately detect the case where the user is wearing the wearable device in the correct state and determine the wearing state.
  • An example of a determination step of the wearable device mounting determination method of the present invention An example of the wearable device of the present invention is schematically shown.
  • (A) is a view from the front.
  • (B) is a view from the side.
  • the wearable device mounting determination method of the present invention determines the presence or absence of a proximity object to a wearable device by detecting a proximity object to the wearable device via an infrared sensor of the wearable device (1) a proximity object determination step and (2). ) A follow-up step, a (3) user identification step, and (4) a final determination step of determining whether or not a proximity object to the wearable device is a user via a means other than an infrared sensor are provided.
  • the (1) proximity determination step of the present invention is a step of detecting an object located near the wearable device by the infrared sensor of the wearable device and determining the presence or absence of a proximity object with respect to the wearable device. Is. As such a detection / judgment method, general methods and their variants can be widely adopted and are not limited. In the wearable device mounting determination method of the present invention, it is preferable to perform (1) a proximity object determination step as the first step.
  • the (2) follow-up observation step can be used as a step for complementing the above (1) proximity object determination step.
  • the process proceeds to (2) follow-up observation step.
  • the result of the (1) proximity object determination step can be correctly determined that there is no proximity object to the wearable device.
  • (1) the result of the proximity object determination step is incorrect and it is determined that there is a proximity object to the wearable device. can.
  • the detection time of the follow-up step is not particularly limited, but is usually 3 seconds or more and 30 seconds or less, preferably 5 seconds or more and 15 seconds or less. Even if (1) the proximity object determination step is performed during the short shaking period when the wearable device is attached and the infrared sensor of the wearable device mistakenly detects or does not detect the proximity object of the wearable device, then (2) the follow-up step It is possible to continuously detect an object close to the wearable device for a certain period of time and derive a correct judgment result.
  • the process proceeds to (4) the final determination step to finally determine that there is no nearby object of the wearable device, and the wearable device of the present invention is used.
  • the mounting determination method can be terminated.
  • the wearable device is mounted by proceeding to the final determination step (4) in the same manner.
  • the wearable device attachment determination method of the present invention may be terminated by finally determining that the wearable device is attached, or the user identification step (3) may be performed in order to further analyze the proximity object.
  • the (3) User identification step it is determined whether or not a proximity object to the wearable device is a user via a means other than an infrared sensor.
  • the (3) user identification step can be used as a step for complementing the above (1) proximity determination step and / or (2) follow-up observation step.
  • the process proceeds to (3) user identification step.
  • the process proceeds to (3) user identification step. That is, in the wearable device mounting determination method of the present invention, once it is determined that there is a nearby object of the wearable device, whether or not the determination is correct is analyzed in the (3) user identification step without relying on infrared detection. To improve the judgment accuracy.
  • the sensor operated in the user identification step is not limited as long as it is an infrared sensor.
  • a temperature sensor, a pressure sensor, an acceleration sensor, a heat sensor and the like are used.
  • the user identification step calculates the temperature difference between the wearable device and the proximity object to the wearable device via the temperature sensor of the wearable device, and whether the proximity object to the wearable device is the human body based on this temperature difference. Judge whether or not.
  • a step is referred to as (3-1) a user identification step based on a temperature difference.
  • a significant temperature difference (threshold value) corresponding to the temperature difference when the wearable device and the user are separated from each other is set.
  • the measured value deviates from this threshold value, it is determined that the proximity object to the wearable device is not in close contact with the wearable device, that is, the wearable device is not correctly attached to the user.
  • the threshold value is appropriately set depending on the material of the wearable device, but is preferably set to a value of 2.0 ° C. or higher and 5.0 ° C. or lower, and more preferably 1.5 ° C. or higher and 3.5 ° C. or lower.
  • the user identification step calculates the amount of movement of a proximity object to the wearable device via the wearable device's acceleration sensor, and determines whether or not the proximity object to the wearable device is a human body based on this movement amount. ..
  • a step is referred to as (3-2) user identification step based on the amount of movement.
  • the movement amount a significant movement amount (threshold value) corresponding to the movement of the human body model is set.
  • the measured value is equal to or greater than this threshold value, it is determined that the object in proximity to the wearable device is the human body, that is, the wearable device is correctly worn by the user.
  • the measured value is less than this threshold value, it is determined that the object in proximity to the wearable device is not a human body, that is, the wearable device is not correctly worn by the user.
  • the threshold value is appropriately set according to the amount of exercise corresponding to the human body motion detected by the 3-axis acceleration sensor.
  • the user identification step may be composed of a plurality of determination steps.
  • both the above (3-1) user identification step based on the temperature difference and the above (3-2) user identification step based on the movement amount can be performed.
  • the execution order of (3-1) the user identification step based on the temperature difference and (3-2) the user identification step based on the movement amount is not limited.
  • the process can proceed to (4) the final determination step.
  • the process can proceed to (4) the final determination step.
  • (3-1) the user identification step based on the temperature difference and (3-2) the user identification step based on the amount of movement can be alternately performed up to a predetermined number of repetitions.
  • the process proceeds to the (4) final determination step described later to finally determine the wearing state.
  • the (3) user identification step is composed of a plurality of steps (for example, (3-1) and (3-2) described above) in the wearable device mounting determination method of the present invention, one step. It is preferable to arrange the plurality of steps so as to improve the determination accuracy by removing the erroneous determination included in the determination result of the above in the determination of the subsequent step. Even when detection / judgment using sensors other than temperature sensor and acceleration sensor is adopted, as long as the earlier judgment result is re-verified in the later detection / judgment step and the accuracy of the judgment result is finally improved, the sensor The type of sensor and the number of detections / judgments can be set freely.
  • the result of (1) the follow-up observation step performed following the (1) proximity object determination step is (4) the final determination of the final determination step.
  • the wearable device is not attached to the user, and the present invention is made. If it is determined that there is a nearby object of the wearable device in the follow-up observation step after finishing the wearable device attachment determination method of (4), it is finally determined that the wearable device is attached to the user in the final determination step. The method for determining the attachment of the wearable device of the present invention is terminated.
  • the result of the (3) user identification step performed after (1) the proximity object determination step and the subsequent (2) follow-up observation step is referred to as (4) the final determination of the final determination step.
  • the wearable device is not attached to the user.
  • the wearable device mounting determination method of the present invention is terminated, and (3) it is determined in the user identification step that the proximity object of the wearable device is a user who is in close contact with the wearable device, (4) final determination is made.
  • the result of the (3) user identification step performed following the (1) proximity object determination step is used as the final determination of the (4) final determination step. Specifically, if (3) it is determined in the user identification step that the proximity object of the wearable device is not a user who is in close contact with the wearable device, (4) in the final determination step, the wearable device is not attached to the user. When the wearable device mounting determination method of the present invention is terminated, and (3) it is determined in the user identification step that the proximity object of the wearable device is a user who is in close contact with the wearable device, (4) final determination is made. In the step, it is finally determined that the wearable device is worn by the user, and the wearable device wearing determination method of the present invention is terminated.
  • the wearable device of the present invention includes detection means such as the above-mentioned various sensors, a memory in which detection data is stored / stored, a communication unit, a data processing program, a communication program, and the like. It is equipped with elements such as a processing unit that executes a control program. These elements may be applied to a detection means such as a known sensor, a memory in which the detection data is stored / stored, a communication unit, a data processing program, a communication program, etc., but the wearable device of the present invention may be applied. Outperforms the prior art by controlling these elements to perform the mounting determination method described above. In the wearable device of the present invention, the above-mentioned mounting determination method flow proceeds by the above-mentioned control program.
  • FIG. 1 shows an example of the processing flow of the wearable device mounting determination method of the present invention.
  • 1 indicates a proximity object determination step.
  • 2 indicates a follow-up step.
  • Reference numeral 31 indicates a user identification step based on the temperature difference.
  • Reference numeral 32 denotes a user identification step based on the amount of movement. 4 indicates the final determination step.
  • the proximity object of the wearable device is detected using an infrared sensor every 10 minutes.
  • the process proceeds to the user identification step (31) based on the temperature difference.
  • the process proceeds to the follow-up step (2).
  • the process proceeds to the final determination step (4) and the proximity is reached. In support of the determination (N, 12) of the object determination step (1), it is finally determined to be "non-mounted (41)". If it is determined in the follow-up observation step (2) that there is a nearby object (Y), the process proceeds to the final determination step (4), and the determination (N) in the proximity object determination step (1) is modified. Finally, it is determined to be "mounted (42)".
  • the process In the user identification step (31) based on the temperature difference, the temperature difference between the wearable and its neighboring object is measured by a temperature sensor, and the measured value is compared with the preset temperature difference threshold value: 3 ° C. When it is determined (Y) that the measured value exceeds the threshold value and there is a significant temperature difference (311), the process further proceeds to the user identification step (32) based on the amount of movement in order to confirm the correctness of this determination. When it is determined (N) that the measured value is equal to or less than the threshold value and there is no significant temperature difference (N), the process proceeds to the final determination step (4), and finally it is determined to be "attached (42)".
  • the 3-axis accelerometer detects the difference in momentum between the wearable and its adjacent object as the amount of movement, and compares the detected amount with the threshold value corresponding to the amount of movement of the preset human body wearing model. do.
  • the detected amount exceeds the threshold value and it is determined (Y) that the nearby object is moving physically (321), it is finally determined to be "attached (42)" in the final determination step (4).
  • it is determined (N) that the detected amount is equal to or less than the threshold value and the nearby object is not moving (N) it is finally determined as "not attached (41)" in the final determination step (4).
  • step 1, step 2, step 31, It has undergone two or more steps selected from step 32.
  • the determination of the step performed earlier by the step performed later can be determined most.
  • a highly accurate final judgment can be made in the final judgment step (4).
  • the wearable device (5) of the present invention shown in FIG. 2 is a wristwatch type and has a main body (51), a belt (52), and a fastener (53).
  • the wearing determination method of the wearable device of the present invention is executed by the sensor, the storage unit, and various programs stored in the main body (51).
  • the material and shape of the belt (52) and the fastener (53) are not limited as long as the main body (51) can be attached to the user's wrist or the vicinity of the wrist like a wristwatch.
  • the size, shape, and arrangement of the main body (51), belt (52), and fastener (53) vary according to the usage situation of various wristwatch-type wearable devices (5) such as office work, sports, entertainment, and rest. Can be designed to.
  • the wearable device wearing determination method of the present invention and the wearable device that performs this method repeatedly determine the wearable device wearing state of the user by a plurality of methods to perform a highly accurate wearable device wearing determination.
  • INDUSTRIAL APPLICABILITY According to the present invention, it is possible to reduce erroneous determination of wearing a wearable device, which has occurred in the past, and improve the performance of the wearable device.
  • Proximity determination step 11 Judgment that there is a proximity object (Y) 12 Judgment that there is no proximity object (N) 2
  • Follow-up step 21 Judgment that there is a proximity object (Y) 22 Judgment that there is no proximity object (N)
  • Watch-type wearable device 51 Main body 52
  • Belt 53 Fastener

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PCT/JP2021/013661 2020-03-31 2021-03-30 ウェアラブルデバイスの装着判定方法、及び、ウェアラブルデバイス Ceased WO2021201017A1 (ja)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017041199A (ja) * 2015-08-21 2017-02-23 日本電信電話株式会社 真正性保証装置及び真正性保証システム
JP2017530757A (ja) * 2014-09-09 2017-10-19 トーヴェック・インコーポレーテッド 装着型装置を用いて個人の注意力を監視し通知を提供するための方法及び装置
JP2019502276A (ja) * 2015-12-03 2019-01-24 グーグル エルエルシー 消費電力を重視したワイヤレス通信無線管理

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI615706B (zh) 2015-03-25 2018-02-21 曦恩體感科技股份有限公司 穿戴裝置及其偵測方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017530757A (ja) * 2014-09-09 2017-10-19 トーヴェック・インコーポレーテッド 装着型装置を用いて個人の注意力を監視し通知を提供するための方法及び装置
JP2017041199A (ja) * 2015-08-21 2017-02-23 日本電信電話株式会社 真正性保証装置及び真正性保証システム
JP2019502276A (ja) * 2015-12-03 2019-01-24 グーグル エルエルシー 消費電力を重視したワイヤレス通信無線管理

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