WO2019098139A1 - 認証装置、認証システム、認証方法、及びプログラム - Google Patents

認証装置、認証システム、認証方法、及びプログラム Download PDF

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Publication number
WO2019098139A1
WO2019098139A1 PCT/JP2018/041712 JP2018041712W WO2019098139A1 WO 2019098139 A1 WO2019098139 A1 WO 2019098139A1 JP 2018041712 W JP2018041712 W JP 2018041712W WO 2019098139 A1 WO2019098139 A1 WO 2019098139A1
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WO
WIPO (PCT)
Prior art keywords
measurement
unit
time range
biological information
state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2018/041712
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English (en)
French (fr)
Japanese (ja)
Inventor
佐藤　博則
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Omron Healthcare Co Ltd
Original Assignee
Omron Corp
Omron Healthcare Co Ltd
Omron Tateisi Electronics Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omron Corp, Omron Healthcare Co Ltd, Omron Tateisi Electronics Co filed Critical Omron Corp
Priority to CN201880066235.7A priority Critical patent/CN111213145B/zh
Priority to DE112018004695.8T priority patent/DE112018004695T5/de
Publication of WO2019098139A1 publication Critical patent/WO2019098139A1/ja
Priority to US16/871,134 priority patent/US11759127B2/en
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
    • A61B5/117—Identification of persons
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/40—Spoof detection, e.g. liveness detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing ultrasonic, sonic or infrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A61B5/1112—Global tracking of patients, e.g. by using GPS
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A61B5/1118—Determining activity level
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2139—Recurrent verification

Definitions

  • the present invention relates to a technology for authenticating measurement results obtained by a biological information measurement device.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is an authentication apparatus, an authentication system, an authentication method, and a method capable of detecting spoofing in which a person different from an object person performs measurement with a biological information measuring device. It is to provide a program.
  • the present invention adopts the following configuration in order to solve the above-mentioned problems.
  • An authentication device is an acquisition unit that acquires measurement data including a measurement value and measurement time information associated with the measurement value from a biological information measurement device that measures a value related to biological information; In a time range specified by the measurement time information based on a providing unit that provides a function to be used by a specific user of a person, a sensor unit including at least one sensor, and information acquired by the sensor unit An estimation unit that estimates a state related to the specific user, and the measurement value is the specific user when the function is in an available state in the time range and the estimation result of the state is a state suitable for measurement And an identification unit that identifies it as being related to
  • the measurement data including the measurement value and the measurement time information is acquired from the biological information measurement device, and the individual dedicated function to be used by one specific user (for example, the user who is the owner of the authentication device) is
  • the state of the user at the time of measurement is estimated based on the information provided and acquired by the sensor unit, and the measurement value relates to the user based on whether or not the private function is available at the time of measurement and the estimation result of the state Is identified.
  • the private function is in the usable state, it is ensured that the authentication device is held (carried or attached) by a specific user. Therefore, when the personal-only function is in the usable state at the time of measurement, the estimation result of the state at the time of measurement can be regarded as relating to a specific user.
  • the specific user when the specific user himself performs the measurement with the biological information measurement device, the specific user should be in a state suitable for the measurement. Therefore, the measurement value can be authenticated based on whether or not the personal function is available at the time of measurement, and whether or not the estimation result of the state at the time of measurement is a state suitable for measurement. As a result, it becomes possible to detect spoofing in which a person different from the specific user performs measurement with the biological information measurement device.
  • the state related to the specific user may be, for example, an action pattern representing an action of the specific user
  • the identification unit is in the usable state in the time range and the function is
  • the behavior pattern estimated by the estimation unit matches a reference behavior pattern predetermined according to the type of the biological information
  • the measurement value is identified as relating to the specific user
  • the function The specific user is not in the usable state in the time range, or when the behavior pattern estimated by the estimation unit does not match the reference behavior pattern determined in advance according to the type of the biological information. It may be identified as not related to
  • the action of the user at the time of measurement is estimated, and the authentication of the measurement data is performed based on comparison between the action pattern obtained by estimation and the reference action pattern predetermined according to the type of biological information.
  • a sensor provided on a general portable or wearable device such as an acceleration sensor, a gyro sensor, or a position sensor
  • a new sensor needs to be provided for authentication. Absent.
  • the authentication device can be realized at low cost.
  • the time range includes a time range before measurement, a time range during measurement, and a time range after measurement
  • the behavior pattern is a time range before the measurement, during the measurement. It includes information indicating whether the specific user is in motion or in a static state in each of the time range and the time range after the measurement.
  • authentication of measurement data is performed based on the user's behavior before, during, and after measurement. By considering not only the action being measured but also the action before and after the measurement, it becomes possible to authenticate the measurement data more accurately.
  • the state related to the specific user may be, for example, a state indicating whether the specific user exists under a predetermined environment.
  • the sensor unit includes an optical sensor that detects ambient brightness, and the estimation unit is based on the detected ambient brightness, and the specific user is in a bright place or a dark place in the time range. If the estimation unit estimates that the particular user is in the bright place, the identification unit identifies that the measurement value relates to the particular user, and the estimation unit When it is estimated that the particular user is in the dark place, it is determined that the measurement value is not related to the particular user.
  • the environment in which the user was present at the time of measurement is estimated, and the estimation result is used to authenticate measurement data. Since the environment can be estimated using a sensor provided on a general portable or wearable device such as an optical sensor, it is not necessary to newly provide a sensor for authentication. As a result, the authentication device can be realized at low cost.
  • the acquisition unit may acquire the measurement data by near field communication with the biological information measurement device.
  • the authentication device can receive measurement data from the biological information measurement device when being close to the biological information measurement device.
  • the authentication device does not acquire measurement data on another user. Therefore, it is possible to prevent erroneous acquisition of measurement data regarding another user.
  • the near field communication may be, for example, ultrasonic communication. Since the ultrasonic communication has a short communication distance, it is possible to more effectively prevent erroneous acquisition of measurement data on another user.
  • an authentication device an authentication system, an authentication method, and a program capable of preventing impersonation in which a person different from the subject person measures biological information.
  • FIG. 1 is a block diagram illustrating an example of an authentication system according to an embodiment of the present invention.
  • FIG. 2 is a block diagram illustrating an example of a hardware configuration of the biological information measurement apparatus shown in FIG.
  • FIG. 3 is a block diagram illustrating an example of the hardware configuration of the user terminal shown in FIG.
  • FIG. 4 is a block diagram illustrating an example of the software configuration of the biological information measurement device shown in FIG.
  • FIG. 5 is a block diagram illustrating an example of the software configuration of the user terminal shown in FIG.
  • FIG. 6 is a diagram showing a reference behavior pattern according to an embodiment of the present invention.
  • FIG. 7 is a flowchart illustrating an example of the processing procedure of the authentication system shown in FIG.
  • FIG. 1 illustrates an information processing system 1 including an authentication system 10 according to an embodiment of the present invention.
  • the authentication system 10 communicates with the server 40 through a network NW such as the Internet.
  • NW such as the Internet.
  • the authentication system 10 includes a biological information measurement device 20 and a user terminal 30.
  • the user terminal 30 corresponds to the "authentication device" of the present invention.
  • the information processing system 1 is applied to a system for calculating a premium.
  • an insurance company reduces premiums when renewing insurance if the insured makes a lifestyle change.
  • the insured uses the biological information measuring device 20 provided or designated by the insurance company.
  • Measurement data including the measurement result acquired by the biological information measurement device 20 is transmitted to the server 40 via the user terminal 30 owned by the insured person.
  • the insurance company acquires measurement data from the server 40, and determines based on the acquired measurement data whether the insured person has improved the lifestyle.
  • the user terminal 30 identifies whether the measurement result relates to the insured person.
  • the user to be measured such as the insured, is referred to as the target user.
  • the authentication system 10 will be described.
  • the biological information measurement device 20 includes a measurement unit 21 and a communication unit 22.
  • the measurement unit 21 measures a value related to biological information, and generates measurement data including a measurement value and measurement time information associated with the measurement value.
  • Biological information is information on the human body and / or behavior. Examples of biological information include blood pressure, electrocardiogram, heart rate, pulse, body temperature, body weight, body composition, number of steps, activity, and the like.
  • Body composition refers to the proportion or amount of tissue that makes up the body.
  • the body composition is, for example, body fat percentage, muscle percentage, lean mass, body fat mass, muscle mass, bone mass, water content.
  • the activity amount is information representing physical activity including walking, housework, and desk work.
  • the activity amount is, for example, consumed calories (metabolic energy amount).
  • the biological information measurement device 20 is, for example, a sphygmomanometer, an electrocardiograph, a heart rate monitor, a pulse meter, a thermometer, a weight scale, a body composition meter, a pedometer, an activity meter, and the like.
  • the measurement time information is information representing the time when the measurement was performed.
  • the communication unit 22 exchanges data with the user terminal 30.
  • the communication unit 22 transmits the measurement data generated by the measurement unit 21 to the user terminal 30.
  • the communication unit 22 corresponds to the “transmission unit” in the present invention.
  • the communication unit 22 may receive time information from the user terminal 30. In this case, time synchronization is performed between the biological information measuring device 20 and the user terminal 30. Time synchronization between the biological information measuring device 20 and the user terminal 30 makes it possible to perform an authentication process to be described later with high accuracy.
  • the time synchronization may be performed by the biometric information measuring device 20 and the user terminal 30 receiving a reference time from another device (for example, the server 40).
  • the user terminal 30 is a portable or wearable device.
  • a communication unit 31, an individual dedicated function providing unit 32, a sensor unit 33, an action estimation unit 34, and an identification unit 35 are provided.
  • the individual dedicated function providing unit is simply referred to as a providing unit.
  • the communication unit 31 exchanges data with the biological information measurement device 20.
  • the communication unit 31 receives measurement data from the biological information measurement device 20.
  • the communication unit 31 corresponds to the "acquisition unit" in the present invention.
  • the providing unit 32 provides a private function which is a function to be used by one specific user.
  • the personal-only function is a function that may cause the particular user to lose social trust when a user (others) different from one particular user uses the function.
  • Examples of personal features include phone features, electronic mail features, credit card features, electronic money features, identity card (ID card) features, and the like.
  • the private function is dedicated to the target user.
  • the personal-dedicated function may be activated and activated (ie, activated) with activation of the user terminal 30, or activated and activated according to an instruction from the user.
  • the private function may require entry of a password at startup and be enabled if the correct password is entered. By using an authentication method such as a password, it is more reliably ensured that the target user holds the user terminal 30 when the private function is available.
  • the sensor unit 33 includes one or more sensors that obtain information on the state of the user terminal 30.
  • the sensor unit 33 is for detecting the movement of the target user, and includes, for example, at least one of an acceleration sensor, a gyro sensor, and a position sensor.
  • the behavior estimation unit 34 estimates a behavior pattern of the user in a time range (hereinafter also referred to as a measurement time range) specified by the measurement time information included in the measurement data, based on the information acquired by the sensor unit 33.
  • the behavior pattern includes information indicating whether the target user was in a stationary state or in a moving state before, during, and after the measurement.
  • the moving state is a state in which there is movement such as walking
  • the static state is a state in which there is no movement. The movement does not have to be accompanied by movement.
  • the behavior estimation unit 34 detects a motion unsuitable for measurement, such as a jump on the spot, the behavior estimation unit 34 determines that the target user is in motion. Also, certain movements, including movements for operating a device such as the biometric measuring device 20, are permitted.
  • the action estimation unit 34 corresponds to the "estimation unit" of the present invention.
  • the action pattern is an example of a state related to the target user.
  • the identification unit 35 relates to the target user the measurement value included in the measurement data, based on whether or not the private function is in the usable state during the measurement time range and the estimation result of the state output from the behavior estimation unit 34 Identify whether or not Specifically, the identification unit 35 relates to the target user when the personal function is in the usable state during the measurement time range and the state estimation result is in the state suitable for the measurement. It is identified that the measurement value is not related to the target user when the personal function is not available during the measurement time range or when the estimation result of the state is not suitable for the measurement. In the present embodiment, in order to identify whether the measurement value included in the measurement data relates to the target user, the identification unit 35 determines that the action pattern estimated by the action estimation unit 34 corresponds to the type of biological information.
  • the identification unit 35 identifies that the measurement value is related to the target user, and when it is determined that the estimated behavior pattern does not match the reference behavior pattern Identifies that the value is not for the target user.
  • the subject user should be stationary.
  • the user terminal 30 detects that the target user is moving during blood pressure measurement.
  • the measurement value acquired by the biological information measurement device 20 is identified as not related to the target user. Even if this measurement value relates to the target user, the measurement value is obtained while the target user moves, so the reliability of the measurement value is low. Thus, this measurement should not be subjected to analysis and it is identified that the measurement does not relate to the target user.
  • the personal function is dedicated to the target user, and the specific user holds (carries or wears) the user terminal 30 when the personal function is available. Is guaranteed. Therefore, when the personal-only function is in the usable state at the time of measurement, the estimation result of the state at the time of measurement can be regarded as relating to the target user.
  • the target user himself / herself performs the measurement with the biological information measurement apparatus 20, the target user should be in a state suitable for the measurement. Therefore, authentication of the measurement value included in the measurement data is based on whether or not the personal function is available at the time of measurement, and whether or not the estimation result of the state at the time of measurement is the state suitable for measurement. It can be done. As a result, it is possible to detect impersonation that another user different from the target user performs measurement with the biological information measurement device 20.
  • one biological information measuring device 20 is shown.
  • the user terminal 30 may be connectable to a plurality of biological information measuring devices 20, and can individually authenticate the measurement results obtained by these biological information measuring devices 20.
  • authentication of measurement results obtained by a certain biological information measurement device can be performed without using measurement results obtained by another biological information measurement device.
  • the authentication system 10 can be applied not only to the system for calculating the premium but also to other systems.
  • the authentication system 10 is a system that reduces part of medical expenses to users who have made a living improvement, a system for epidemiological research such as the relationship between long-term blood pressure change and event onset risk, and the patient's blood pressure Can be applied to a system that changes the dosage.
  • the authentication system 10 will be described more specifically.
  • the following mainly deals with an example in which the biological information measurement device 20 is a sphygmomanometer.
  • FIG. 2 illustrates an example of the hardware configuration of the biological information measurement device 20.
  • the biological information measurement device 20 is a sphygmomanometer.
  • the biological information measurement device 20 includes a control unit 201, a storage unit 202, an input device 203, an output device 204, a communication interface 205, a pump 206, a pump drive circuit 207, a valve 208, a valve drive circuit 209, a pressure.
  • a sensor 210 and a cuff 211 are provided.
  • the control unit 201 includes a central processing unit (CPU), a random access memory (RAM), a read only memory (ROM), and the like, and controls each component according to information processing.
  • the storage unit 202 is an auxiliary storage device such as a hard disk drive (HDD) or a solid state drive (SSD), for example, and a blood pressure measurement program executed by the control unit 201 and settings required to execute the blood pressure measurement program. Store data, measurement data, etc.
  • a storage medium included in the storage unit 202 can be information such as a computer, an apparatus, a machine, etc. so that the information such as a program recorded therein can be read electrically, magnetically, optically, mechanically or chemically. It is a medium that accumulates by
  • the input device 203 is a device that enables the user to input an instruction to the biological information measurement device 20.
  • the input device 203 includes a push-type button such as a button for instructing measurement start.
  • the output device 204 is a device for performing output.
  • the output device 204 includes a display device such as a liquid crystal display device and a speaker.
  • the communication interface 205 is an interface for performing communication.
  • the communication interface 205 includes, but is not limited to, a near field communication module such as a Bluetooth (registered trademark) module and a Bluetooth Low Energy (BLE) module.
  • the communication interface 205 may include another type of wireless communication module such as a wireless local area network (LAN) module, and may include a wired communication module.
  • communication between the biological information measuring device 20 and the user terminal 30 is not limited to radio wave communication, and may be ultrasonic communication, infrared communication, or the like.
  • the pump 206 is connected to the cuff 211 via a flow passage such as a flexible tube to supply air to the cuff 211.
  • the cuff 211 includes an air bag capable of containing air.
  • the cuff 211 is wound around the measurement site (for example, the upper arm) of the measurement subject.
  • the pump drive circuit 207 drives the pump 206 based on the control signal from the control unit 201.
  • the valve 208 is provided in the flow path.
  • the valve drive circuit 209 drives the valve 208 based on the control signal from the control unit 201. Thereby, the valve 208 can be switched between the open state and the closed state.
  • the valve 208 When the valve 208 is in the closed state, the flow path is shut off from the atmosphere, and when the valve 208 is in the open state, the flow path communicates with the atmosphere.
  • the pressure sensor 210 detects the pressure in the cuff 211 and generates a pressure signal indicative of the detected pressure.
  • a piezoresistive pressure sensor can be used as the pressure sensor 210.
  • the pressure signal from the pressure sensor 210 is amplified by an amplifier (not shown), converted to a digital signal by an analog-to-digital converter (not shown), and applied to the control unit 201.
  • the control unit 201 may include a plurality of processors.
  • the biological information measurement device 20 may be a stationary device or a wearable device.
  • the biological information measurement device 20 is a pedometer or an activity meter, the biological information measurement device 20 is a wearable device.
  • FIG. 3 illustrates an example of the hardware configuration of the user terminal 30.
  • the user terminal 30 is a mobile device such as a mobile phone, a smartphone, or a tablet PC (Personal Computer), but is not limited thereto.
  • the user terminal 30 may be a wearable device such as a smart watch.
  • the user terminal 30 includes a control unit 301, a storage unit 302, an input device 303, an output device 304, a communication interface 305, an acceleration sensor 306, a GPS (Global Positioning System) receiver 307, and a battery 308. .
  • the control unit 301 includes a CPU, a RAM, a ROM, and the like, and controls each component according to information processing.
  • the storage unit 302 is, for example, an auxiliary storage device such as an HDD or an SSD, and the authentication program executed by the control unit 201, setting data for executing the authentication program (for example, information representing a reference action pattern), biometric information measurement
  • the measurement data and the like received from the device 20 are stored.
  • a storage medium included in the storage unit 302 can electrically, magnetically, optically, mechanically or chemically read information such as a computer or other device, information such as a program recorded on a machine or the like. It is a medium that accumulates by
  • the input device 303 is a device that enables the user to input an instruction to the user terminal 30.
  • the input device 303 includes a touch screen, a push button, a microphone, an imaging device, and the like.
  • the output device 204 is a device for performing output.
  • the output device 204 includes a display device (display device configuring a touch screen), a speaker, and the like.
  • the communication interface 205 is an interface for performing communication.
  • the communication interface 205 includes a communication module for communicating with the biological information measuring device 20.
  • the communication interface 205 includes a near field communication module such as a Bluetooth module or a BLE module.
  • Communication interface 205 may include other types of wireless communication modules, such as a wireless LAN module, and may include a wired communication module.
  • the communication interface 205 uses a wireless LAN module to communicate with the server 40 via the network NW.
  • the acceleration sensor 306 detects the acceleration of the user terminal 30, and is, for example, a three-axis acceleration sensor that detects acceleration in three axial directions.
  • the GPS receiver 307 receives GPS signals from a plurality of GPS satellites, and outputs the received GPS signals to the control unit 301.
  • the control unit 301 calculates the position of the user terminal 30, that is, the position of the user holding the user terminal 30, based on the GPS signal.
  • the GPS receiver 307 and the control unit 301 form a position sensor that detects the position of the user terminal 30.
  • the position sensor is not limited to GPS, and may be based on other satellite navigation such as GLONASS (Global Navigation Satellite System). Also, the position sensor may be based on indoor positioning such as Wi-Fi (registered trademark) positioning instead of or in addition to satellite navigation.
  • the battery 308 may be, for example, a rechargeable battery.
  • the battery 308 supplies power to the control unit 301, the storage unit 302, the input device 303, the output device 304, the communication interface 305, the acceleration sensor 306, and the GPS receiver 307.
  • the control unit 301 may include a plurality of processors.
  • the user terminal 30 may further include a gyro sensor that detects the angular velocity of the user terminal 30.
  • the gyro sensor is, for example, a three-axis gyro sensor that detects angular velocity around three axes.
  • FIG. 4 illustrates an example of the software configuration of the biological information measurement device 20.
  • the biological information measurement device 20 is a sphygmomanometer as in the example described with reference to FIG. 2.
  • the biological information measurement device 20 includes a measurement control unit 251, a blood pressure value calculation unit 252, a transmission unit 253, and a measurement data storage unit 254.
  • the measurement control unit 251, the blood pressure value calculation unit 252, and the transmission unit 253 are realized by the control unit 201 of the biological information measurement device 20 executing the blood pressure measurement program stored in the storage unit 202.
  • the control unit 201 executes the blood pressure measurement program
  • the control unit 201 develops the blood pressure measurement program in the RAM.
  • the control unit 201 causes the CPU to interpret and execute the blood pressure measurement program developed in the RAM to control each component.
  • the measurement data storage unit 254 is provided in the storage unit 202.
  • the measurement control unit 251 controls blood pressure measurement. Specifically, the measurement control unit 251 controls the operation of the pump 206 and the valve 208. When the measurement control unit 251 receives a measurement start instruction input by the subject (for example, the target user) using the input device 203, the measurement control unit 251 closes the valve 208 and drives the pump 206. Thus, the supply of air to the cuff 211 is started. The cuff 211 is inflated, which compresses the upper arm of the subject. The measurement control unit 251 monitors the pressure in the cuff 211 indicated by the output signal of the pressure sensor 210. When the pressure in the cuff 211 reaches a predetermined pressure (for example, 300 mmHg), the measurement control unit 251 stops the pump 206 and opens the valve 208. As a result, air is exhausted from the cuff 211.
  • a predetermined pressure for example, 300 mmHg
  • the blood pressure value calculation unit 252 calculates the blood pressure value by the oscillometric method based on the pressure signal output from the pressure sensor 210 in the pressurization process of supplying air to the cuff 211 or the decompression process of exhausting air from the cuff 211.
  • Blood pressure values include, but are not limited to, systolic blood pressure (SBP) and diastolic blood pressure (DBP).
  • SBP systolic blood pressure
  • DBP diastolic blood pressure
  • the blood pressure value calculator 252 can calculate the pulse rate simultaneously with the blood pressure value.
  • the blood pressure value calculation unit 252 associates the measurement value, which is the calculated blood pressure value, with the measurement time information, and stores the measurement value in the measurement data storage unit 254.
  • the measurement data storage unit 254 stores measurement data including a measurement value and measurement time information associated with the measurement value.
  • the transmission unit 253 reads measurement data from the measurement data storage unit 254, and transmits the read measurement data to the user terminal 30.
  • the transmission of measurement data may be performed by unicast communication or may be performed by broadcast communication.
  • information on the target user including information on the user terminal 30 is registered in advance in the biological information measuring device 20.
  • the target user performs pairing between the user terminal 30 and the biological information measuring device 20.
  • the biological information measurement device 20 can be shared by a plurality of users, for example, members of a family.
  • the information on each user is registered in advance in the biological information measuring device 20, and each user selects the registration number corresponding to itself using the input device at the time of measurement.
  • the transmitting unit 253 can transmit the measurement data by designating the user terminal 30 corresponding to the user who has performed the measurement.
  • transmission of measurement data is performed by near field communication.
  • the target user holding the user terminal 30 can perform the measurement of the biological information measuring device 20 during the transmission period. If it is near, the user terminal 30 will not receive measurement data on other users.
  • the transmitting unit 253 transmits measurement data only until a predetermined time (for example, one minute) elapses after the measurement. By transmitting measurement data by short-distance wireless communication as described above, it is possible to prevent the user terminal 30 from acquiring measurement data regarding another user.
  • Ultrasonic communication may be used as near field communication. Ultrasonic communication can be designed to have a short communication distance (for example, about 10 to several tens cm). For this reason, it is possible to more effectively prevent the user terminal 30 from acquiring measurement data regarding another user.
  • the biological information measuring device 20 may be connectable to the network NW. In this case, the biological information measurement device 20 can transmit measurement data to the user terminal 30 via the network NW.
  • FIG. 5 illustrates an example of the software configuration of the user terminal 30.
  • the user terminal 30 includes an acquisition unit 351, an action estimation unit 352, an identification unit 353, a provision unit 354, a measurement data storage unit 355, and a reference behavior pattern storage unit 356.
  • the acquisition unit 351, the action estimation unit 352, the identification unit 353, and the provision unit 354 are realized by the control unit 301 of the user terminal 30 executing an authentication program stored in the storage unit 302.
  • the control unit 301 executes the authentication program
  • the control unit 301 develops the blood pressure measurement program in the RAM.
  • the control unit 301 causes the CPU to interpret and execute the authentication program expanded in the RAM to control each component.
  • the measurement data storage unit 355 and the reference behavior pattern storage unit 356 are provided in the storage unit 302.
  • the providing unit 354 provides an individual function, for example, a telephone function and an e-mail function.
  • the personal dedicated function is not limited to one realized by software executed by the CPU.
  • the private function may be provided by hardware such as an IC chip.
  • the acquisition unit 351 acquires measurement data from the biological information measurement device 20, and causes the measurement data storage unit 355 to store the acquired measurement data.
  • the action estimation unit 352 reads out measurement time information included in measurement data to be processed, and estimates an action pattern of a target user in a time range specified by the measurement time information.
  • the behavior pattern includes information indicating whether the target user is in a stationary state or in a moving state.
  • the specified time range includes at least one of the time range before measurement, the time range during measurement, and the time range after measurement. Typically, the specified time range includes at least the time range being measured.
  • the biological information measuring device 20 is a sphygmomanometer adopting the oscillometric method
  • the measurement takes several tens of seconds
  • the time range during the measurement is a period of several tens of seconds during which the measurement is performed.
  • the time range before measurement is a period from a time before the measurement start time by a predetermined time (for example, 10 seconds or 1 minute) to the measurement start time, and the time range after measurement is measured from the measurement end time It is a period until a predetermined time (for example, 10 seconds or one minute) later than the end time.
  • a predetermined time for example, 10 seconds or 1 minute
  • the identification unit 353 receives the information indicating the behavior pattern estimated by the behavior estimation unit 352, and reads the information indicating the reference behavior pattern from the reference behavior pattern storage unit 356.
  • the reference behavior pattern is determined in advance according to the type of biological information or the type of biological information measuring device 20.
  • the type of biological information measurement device includes, for example, the type of biological information to be handled, the type (for example, stationary type or wearable type), and the like.
  • FIG. 6 illustrates an example of information indicating a reference behavior pattern.
  • the reference behavior pattern related to the sphygmomanometer is defined as that the user is in motion before measurement, the user is static during measurement, and the user is motion after measurement.
  • the reference behavior pattern related to the sphygmomanometer is defined in this way because the user walks to the place where the sphygmomanometer is located, stays at the place, performs the blood pressure measurement, and leaves the place after the measurement. It is because it is common to take.
  • the reference behavior pattern associated with the body-to-body composition thermometer, the thermometer, and the electrocardiograph is the same as the reference behavior pattern associated with the sphygmomanometer.
  • the reference behavior pattern associated with the pedometer and the activity meter is defined as the user is in the static state before measurement, the user is in motion during the measurement, and the user is in the static state after the measurement.
  • Pedometers and activity meters are constantly measuring.
  • the biological information measuring device 20 is a pedometer
  • the period in which the step count is increasing corresponds to the time range during measurement
  • the period in which the step number count does not change corresponds to the time range before or after the measurement.
  • the biological information measuring device 20 is an activity meter
  • the period in which the activity is detected corresponds to the time range during measurement
  • the period in which the activity is not detected corresponds to the time range before or after the measurement.
  • the identification unit 353 determines whether the behavior pattern estimated by the behavior estimation unit 352 matches the reference behavior pattern, and determines whether the personal-only function is in the usable state during the measurement time range.
  • the measurement value included in the measurement data to be processed is the target user And assign attribute information that the measurement value relates to the target user to the measurement data of the processing target.
  • the identifying unit 353 is included in the measurement data to be processed when it is determined that the estimated behavior pattern does not match the reference behavior pattern, or when it is determined that the personal-only function is available during the measurement time range.
  • the measurement value is identified as not related to the target user, and attribute information indicating that the measurement value is not related to the target user is added to the measurement data to be processed.
  • the subject user In blood pressure measurement, it is desirable that the subject user be at rest for a certain period of time (for example, several minutes) before the measurement.
  • the behavior estimation unit 352 further estimates the user's behavior at a time before measurement (for example, a time from 5 minutes before measurement to 1 minute before measurement). Good. Thereby, it can be obtained as additional information whether or not the resting time can be secured before the measurement.
  • the functions of the biological information measurement device 20 and the user terminal 30 are all realized by a general-purpose CPU is described. However, some or all of the functions may be implemented by one or more dedicated processors. Further, regarding the configurations of the biological information measuring device 20 and the user terminal 30, omission, substitution, and addition may be appropriately performed according to the embodiment.
  • the biological information measurement device 20 measures a value related to biological information, and generates measurement data including the measurement value and measurement time information.
  • the control unit 201 of the biological information measurement apparatus 20 operates as the measurement control unit 251, the valve 208 is closed, and the pump drive circuit 209 and the pump drive circuit operate to supply air to the cuff 211.
  • the control unit 201 operates as the blood pressure value calculation unit 252, and calculates the blood pressure value based on the pressure signal output from the pressure sensor 210.
  • the control unit 201 operates as the measurement control unit 251, and controls the pump drive circuit 207 and the valve drive circuit 209 so that the pump 206 stops the supply of air and the valve 208 is opened.
  • the measurement time information may be, for example, the time when the blood pressure value as the measurement value is calculated, or may be the time when the user presses the measurement start button.
  • step S702 the biological information measurement device 20 transmits measurement data to the user terminal 30.
  • the control unit 201 operates as the transmission unit 253, and wirelessly transmits measurement data to the user terminal 30 via the communication interface 205.
  • the user terminal 30 receives measurement data from the biological information measurement device 20.
  • the control unit 301 of the user terminal 30 operates as the acquisition unit 351, receives measurement data from the biological information measurement apparatus 20 via the communication interface 305, and stores the received measurement data in the measurement data storage unit 355.
  • the biological information measurement device 20 directly transmits measurement data to the user terminal 30 by short distance wireless communication. Therefore, when the user terminal 30 does not exist near the biological information measuring device 20, the measurement data is not received by the user terminal 30.
  • the fact that the user terminal 30 does not exist near the biological information measuring device 20 means that the target user does not exist near the biological information measuring device 20, that is, the target user does not measure with the biological information measuring device 20.
  • Correspond to. By directly transmitting measurement data from the biological information measurement apparatus 20 to the user terminal 30 by short-distance wireless communication, it is possible to prevent the user terminal 30 from receiving measurement data regarding another person. As a result, authentication accuracy can be improved.
  • the user terminal 30 estimates the behavior pattern of the user when the measurement value included in the measurement data is acquired.
  • the control unit 301 operates as the behavior estimation unit 352, and specifies a measurement time range based on measurement time information included in measurement data. Subsequently, the control unit 301 estimates a user's action pattern in the specified time range.
  • the measurement time range includes the time range before the measurement, the time range during the measurement, and the time range after the measurement, and the control unit 301 determines whether the user is in the stationary state or in the moving state in each time range. .
  • the control unit 301 determines that the user is in a moving state in that time range and does not detect a movement in each time range In this case, it is determined that the user has been in a static state in that time range. Whether the user has moved with movement can be detected based on the acceleration signal output from the acceleration sensor 306 and the position information output from the position sensor.
  • step S704 the user terminal 30 determines whether the estimated behavior pattern (estimated behavior pattern) matches the reference behavior pattern. If the estimated action pattern matches the reference action pattern, the process proceeds to step S705. If the estimated action pattern does not match the reference action pattern, the process proceeds to step S707.
  • control unit 301 operates as the identification unit 353, reads out from the reference behavior pattern storage unit 356 the reference behavior pattern corresponding to the type of biological information to be targeted, and matches the estimated behavior pattern with the read reference behavior pattern. It is determined whether or not.
  • the biological information measurement device 20 is a sphygmomanometer
  • a reference behavior pattern related to blood pressure is read out.
  • the reference behavior pattern related to blood pressure is a pattern of dynamic state in the time range before measurement, static state in the time range during measurement, and dynamic state in the time range after measurement.
  • the estimated action pattern is a motion state in the time range before measurement, a stationary state in the time range during measurement, and a motion state in the time range after measurement
  • the estimated action pattern is the reference. It is determined that the behavior pattern matches, and in other cases, it is determined that the estimated behavior pattern does not match the reference behavior pattern.
  • step S705 the user terminal 30 determines whether the personalization function has been available for the measurement time range. If the private function has been enabled for the measurement time range, the process proceeds to step S706, otherwise the process proceeds to step S707.
  • control unit 301 operates as the identification unit 353 and determines whether the personal-only function is available during the measurement time range. If the control unit 301 determines that the personal-only function is in the usable state during the measurement time range, it assumes that the target user holds the user terminal 30, and the personal-only function can be used during the measurement time range When it is determined that the user terminal 30 is not in the state, it is considered that there is a possibility that another user has held the user terminal 30.
  • step S706 the user terminal 30 recognizes that the measurement value included in the measurement data relates to the target user.
  • the control unit 301 operates as the identification unit 353 and identifies that the measurement value included in the measurement data relates to the target user. In this case, for example, attribute information indicating that the measurement value relates to the target user is added to the measurement data.
  • step S 707 the user terminal 30 does not recognize that the measurement value included in the measurement data relates to the target user.
  • the control unit 301 operates as the identification unit 353 and identifies that the measurement value included in the measurement data is not related to the target user. In this case, for example, attribute information indicating that the measurement value is not related to the target user is added to the measurement data.
  • the control unit 301 may discard the measurement data to be processed.
  • the measurement data acquired by the biological information measurement device 20 is accumulated in the user terminal 30.
  • the measurement data accumulated in the user terminal 30 is appropriately transmitted to the server 40 through the network NW.
  • a personal function is provided in the user terminal 30.
  • the private function is in the enabled state, it is guaranteed that the specific user holds the user terminal 30. Therefore, when the personal-only function is in the usable state at the time of measurement, the estimation result of the state at the time of measurement is considered to be related to the target user.
  • the target user himself / herself performs the measurement with the biological information measurement device 20
  • the target user's action pattern should match the reference action pattern. Therefore, it is possible to authenticate the measurement value included in the measurement data based on whether or not the personalization function is available at the time of measurement, and whether the estimated behavior pattern matches the reference behavior pattern. As a result, it is possible to detect impersonation that another user different from the target user performs measurement with the biological information measurement device 20.
  • the authentication accuracy is higher than in the case where the user's behavior is estimated only for the time range during measurement It can be improved.
  • the present invention is not limited to the above embodiment.
  • the behavior pattern of the user is estimated as the state of the user.
  • whether or not the user is under a predetermined environment may be estimated as the state of the user.
  • the user terminal 30 includes an environment estimation unit that estimates whether the target user is present under a predetermined environment, instead of the behavior estimation unit 34.
  • the environment estimation unit corresponds to the "estimation unit" of the present invention.
  • the sensor unit 33 is for detecting whether or not the target user is present under a predetermined environment, and includes, for example, an optical sensor for detecting the ambient brightness.
  • the environment estimation unit estimates, based on the ambient brightness detected by the light sensor, whether the target user is in a bright place or a dark place in the time range for measurement.
  • the estimation can be based, for example, on a comparison of the brightness detected by the light sensor with a threshold.
  • the identification unit 35 identifies that the measurement value relates to the target user, and the environment estimation unit estimates that the target user is in a dark place. In this case, it is determined that the measurement value is not related to the target user.
  • This identification method is based on the general situation that measurement of biological information such as blood pressure is never performed in the dark place.
  • part or all of the process related to authentication may be performed by an apparatus (for example, the server 40) different from the user terminal 30.
  • the server 40 may include the behavior estimation unit 34 and the identification unit 35.
  • the user terminal 30 transmits the information acquired by the sensor unit 33, the information indicating the state of the personal dedicated function, and the measurement data acquired by the biological information measuring device 20 to the server 40 through the network NW.
  • the biological information measurement device 20 may transmit measurement data to the server 40 through the network NW without passing through the user terminal 30.
  • the present invention is not limited to the above embodiment as it is, and at the implementation stage, the constituent elements can be modified and embodied without departing from the scope of the invention.
  • various inventions can be formed by appropriate combinations of a plurality of components disclosed in the above embodiments. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, components in different embodiments may be combined as appropriate.

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