Biological information measurement system and biological information measurement program

The biological information measuring system addresses the issue of unauthorized use and impersonation by analyzing acceleration values to detect the movement of the measurement unit, enabling reliable alcohol detection and fraud prevention.

JP7605447B2Active Publication Date: 2024-12-24TANITA CORP
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Patent Information

Application Number
JP2019142867
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2019-08-02
Publication Date
2024-12-24
Estimated Expiration
2039-08-02

AI Technical Summary

Technical Problem

Conventional biological information measurement systems and programs fail to detect the movement of the biological information measurement unit, making them susceptible to fraud such as impersonation and unauthorized use of dummy devices.

Method used

A biological information measuring system and program that acquire and analyze acceleration values from the biological information measuring section to detect its movement, allowing for the detection of behaviors like dizziness, tremors, and other movements indicative of alcohol influence or impersonation.

Benefits of technology

The system effectively determines alcohol influence and detects potential impersonation by evaluating the validity of measurements based on detected movements, ensuring accurate identification of the subject and preventing fraud.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a biological information measurement system and a biological information measurement program which acquire an acceleration value of a biological information measurement unit in a biological information measurement device generated by a behavior etc. of a measured person and thereby detect the motion of the biological information measurement unit.SOLUTION: A biological information measurement system 30 comprises a biological information measurement unit 102 which is held by a measured person and measures biological information on the basis of a biologically originated substance or a biologically originated physical amount of the measured person; an acceleration acquisition unit 110 for acquiring an acceleration value of the biological information measurement unit 102; and an arithmetic unit 112 for detecting the motion of the biological information measurement unit 102 on the basis of the acceleration value.SELECTED DRAWING: Figure 2
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Description

[Technical field]

[0001] The present invention relates to a vital information measurement system and a vital information measurement program that detects movement of a vital information measurement unit of a vital information measurement device by acquiring an acceleration value of the vital information measurement unit caused by the behavior of a person to be measured, etc. [Background technology]

[0002] Conventionally, alcohol checks have been widely conducted for crew members of commercial vehicles, aircraft, ships, railways, etc., using breathalyzers during roll calls, etc. In this case, the alcohol test results are generally stored together with the face image of the person, and the identity of the crew member being tested is confirmed on the spot by a person who checks the identity of the person being tested. However, in the case of a remote roll call in which the crew member is located in a remote location and the checker checks the identity of the person being tested via a monitor, etc., a third party may take the test by impersonating the person being tested or by using a different device (dummy device), which may lead to fraudulent conduct.

[0003] Therefore, in Patent Document 1, a biometric information measuring system has been developed that is composed of a biometric information measuring device with a light-emitting unit, a first terminal unit with a camera, and a second terminal unit that performs facial recognition processing, etc. to authenticate persons, in order to effectively prevent fraudulent measurements using dummy machines and people other than the person being measured (third parties). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2013-192859 A Summary of the Invention [Problem to be solved by the invention]

[0005] Conventional biological information measurement systems and biological information measurement programs cannot detect the movement of a biological information measurement unit of a biological information measurement device.

[0006] One of the objects of the present invention is to provide a bio-information measurement system and a bio-information measurement program that detects the movement of a bio-information measurement unit of a bio-information measurement device by acquiring the acceleration value of the bio-information measurement unit caused by the behavior of a person being measured, etc. [Means for solving the problem]

[0007] One embodiment of the bio-information measuring system of the present invention comprises a bio-information measuring unit that is held by a subject and measures bio-information based on the subject's biological substances or biological physical quantities, an acceleration acquisition unit that acquires acceleration values ​​of the bio-information measuring unit, and a calculation unit that detects movement of the bio-information measuring unit based on the acceleration values.

[0008] With this configuration, the acceleration value of the biological information measurement unit of the biological information measurement device can be acquired, and the movement of the biological information measurement unit can be detected based on the acceleration value. Since the biological information measurement unit is held by the subject, the movement of the biological information measurement unit can be understood as the behavior of the subject. Therefore, for example, by detecting the movement of the biological information measurement unit caused by the staggering of a subject in a drunk state or the tremor of a subject suspected of alcoholism, it can be determined that the subject is drunk or suspected of alcoholism.

[0009] The biological information may be the alcohol concentration contained in the subject's breath.

[0010] This configuration makes it possible to measure the alcohol concentration in the breath of the subject, and to determine, for example, whether the subject is under the influence of alcohol and is drunk.

[0011] The acceleration value may be an acceleration value generated in the vital information measurement unit due to the behavior of the person being measured.

[0012] This configuration makes it possible to detect the movement of the biological information measuring unit resulting from the behavior of the subject. For example, by detecting the movement of the biological information measuring unit caused by the staggering of a subject in a drunk state or the tremor of a subject suspected of alcoholism, it is possible to determine whether the subject is drunk or suspected of alcoholism.

[0013] The calculation section may evaluate the validity of the measurement of the biological information based on the movement detected by the biological information measurement section.

[0014] With this configuration, the validity of the measurement of the biological information performed by the actual subject can be evaluated. For example, if a third party (actual subject) measures the biological information using a biological information measuring device while impersonating the actual subject who should be measured for the biological information, moves the biological information measuring unit of the biological information measuring device to the actual subject before taking a face image of the actual subject, and the actual subject takes a face image together with the biological information measuring device, it can be evaluated that the measurement of the biological information is suspected to be impersonation based on such movement of the biological information measuring unit.

[0015] The calculation section may determine a predetermined symptom of the person being measured based on the movement and biological information detected by the biological information measurement section.

[0016] With this configuration, a specific symptom of the subject can be determined based on the movement and biological information of the biological information measuring unit detected. For example, even if the alcohol concentration in the breath of the subject is low, if the acceleration value of the biological information measuring unit indicates that the subject holding the biological information measuring unit has tremors, it can be determined that the subject is suspected of alcoholism. In addition, if the alcohol concentration in the breath of the subject is high and the subject is not unsteady, it can be determined that the subject is under influence of alcohol, and if the subject is unsteady, it can be determined that the subject is under influence of alcohol and drunk.

[0017] The calculation section may detect a manner of movement of the biological information measurement section based on the acceleration value.

[0018] With this configuration, it is possible to detect the manner of movement of the biological information measuring unit, which is understood as the subject's behavior, etc., based on the acceleration value. The manner of movement is, for example, movement, unsteadiness, fine vibration, etc. of the biological information measuring unit.

[0019] A bioinformation measurement program of one embodiment of the present invention causes a computer to function as a bioinformation measuring unit that is held by the subject and measures bioinformation based on the subject's biological substances or biological physical quantities, an acceleration acquisition unit that acquires acceleration values ​​of the bioinformation measuring unit, and a calculation unit that detects movement of the bioinformation measuring unit based on the acceleration values.

[0020] With this configuration, the acceleration value of the biological information measurement unit of the biological information measurement device can be acquired, and the movement of the biological information measurement unit can be detected based on the acceleration value. Since the biological information measurement unit is held by the subject, the movement of the biological information measurement unit can be understood as the behavior of the subject. Therefore, for example, by detecting the movement of the biological information measurement unit caused by the staggering of a subject in a drunk state or the tremor of a subject suspected of alcoholism, it can be determined that the subject is drunk or suspected of alcoholism. [Brief description of the drawings]

[0021] [Figure 1] FIG. 1 is a diagram showing a biological information measuring system according to a first embodiment of the present invention. [Diagram 2] FIG. 2 is a block diagram showing a configuration of the vital information measuring device according to the first embodiment of the present invention. [Diagram 3] FIG. 3 is a diagram showing a flow of operations of the biological information measuring system according to the first embodiment of the present invention. [Figure 4] FIG. 4 is a diagram showing a flow of operations of the biological information measuring system according to the second embodiment of the present invention. [Diagram 5] FIG. 5 is a diagram showing a flow of operations of the biological information measuring system according to the third embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0022] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Note that the embodiment described below shows an example of a case where the present invention is implemented, and the present invention is not limited to the specific configuration described below. In implementing the present invention, a specific configuration according to the embodiment may be appropriately adopted.

[0023] (Configuration of the first embodiment) 1 is a diagram showing a biological information measuring system 30 according to an embodiment of the present invention. The biological information measuring system 30 includes a biological information measuring device 10 and a terminal 20. The biological information measuring device 10 and the terminal 20 are in wired communication with each other. A person to be measured has his / her biological information measured by the biological information measuring device 10. The measurement result is displayed on the biological information measuring device 10 and stored in the terminal 20 together with a face image of the person to be measured captured by the terminal 20.

[0024] The biological information measuring device 10 is a device that measures a substance or physical quantity derived from a subject. The biological information measuring device 10 measures biological information from biological substances, such as human breath, blood, sweat, and parts of tissue. Alternatively, the biological information measuring device 10 measures biological information from biological physical quantities, such as human body temperature and bioelectrical impedance. Here, biological information refers to information indicating the amount or ratio of a specific component contained in a biological substance, or information obtained from a biological physical quantity itself or a plurality of biological physical quantities. The biological information measuring device 10 may be, for example, a handheld type or a stationary type. In this embodiment, the biological information measuring device 10 is a handheld type, and measures the alcohol concentration contained in the breath (hereinafter, alcohol is also referred to as "Alc"). The biological information measuring device 10 includes a biological information measuring unit 102 and an output unit 104.

[0025] The biological information measuring unit 102 is a means for measuring biological information based on a biological substance or a biological physical quantity of the subject in the biological information measuring device 10. In this embodiment, the biological information measuring unit 102 is an Alc measuring means that is held by the subject and connected to a nozzle for blowing the subject's breath into the biological information measuring device 10. A known method can be used to measure the Alc concentration contained in the breath.

[0026] When the biological substance is other than exhaled breath, for example, a means for collecting blood, saliva, sweat, a part of tissue, etc. and a means for measuring them may be used. When measuring biological information based on a biological physical quantity rather than a biological substance, the biological information measuring unit 102 may be, for example, a means for measuring body temperature or a means for measuring bioelectrical impedance. In this embodiment, the biological information measuring unit 102 moves together with the biological information measuring device 10, which is a handheld type. When the biological information measuring device 10 is, for example, a stationary type, the biological information measuring unit 102 may move independently of the biological information measuring device 10.

[0027] The output unit 104 is a means for providing information related to the measurement results of the biological information measured by the biological information measuring device 10 (hereinafter also referred to as "measurement results of biological information"). In this embodiment, the output unit 104 is a display panel, and displays the Alc concentration contained in the breath of the subject as a numerical value. The output unit 104 as a display panel may provide information related to the measurement results by displaying, for example, characters or images. The output unit 104 may also be, for example, a speaker, and provide information related to the measurement results by voice.

[0028] The terminal 20 is a device that stores the measurement results of biological information, and includes a camera 202, a display unit 204, and a storage unit (not shown).

[0029] Camera 202 is a camera that generates an image by capturing an image. In this embodiment, camera 202 captures a still image of the subject when the subject uses biological information measuring device 10 to measure biological information. Camera 202 may capture, for example, a video. Terminal 20 stores in storage unit 106 a database including an identification number for identifying each biological information measuring device 10, and stores still images in association with biological information measured by the biological information measuring device 10. This ensures that the subject himself / herself performed the measurement.

[0030] The display unit 204 is a means for displaying still images or videos of the subject being measured, captured by the camera 202. In this embodiment, the display unit 204 displays still images captured by the camera 202. The display unit 204 may display, for example, the measurement results of biological information.

[0031] 2 is a block diagram showing a configuration of the biological information measuring device 10 according to the embodiment of the present invention. The biological information measuring device 10 includes a biological information measuring section 102, an output section 104, a storage section 106, and a control section 108.

[0032] The storage unit 106 is a memory capable of storing information. The memory is, for example, a volatile memory (e.g., a random access memory (RAM)), a non-volatile memory (e.g., a read only memory (ROM)), etc. The storage unit 106 stores the biological information measurement program of the present embodiment executed by the control unit 108. The storage unit 106 also stores the measurement results of the biological information, as well as the acceleration values ​​of the biological information measurement unit 102 and the pattern of changes in the acceleration values ​​over time.

[0033] The control unit 108 is connected to the acceleration acquisition unit 110, the calculation unit 112, and the communication unit 114, and is a means for controlling each unit. The control unit 108 includes a central processing unit (CPU). The control unit 108 realizes the function of each unit by executing the biological information measurement program of this embodiment stored in the storage unit 106. Note that the function of each unit may be realized by individual hardware such as an ASIC (Application Specific Integrated Circuit).

[0034] The acceleration acquiring section 110 is a means for acquiring an acceleration value of the biological information measuring section 102. The acceleration acquiring section 110 includes a three-axis acceleration sensor (3D sensor). In this embodiment, the acceleration acquiring section 110 is fixed to the biological information measuring section 102 and is integrated with the biological information measuring section 102. The acceleration sensor may be a one-axis acceleration sensor (1D sensor) or a two-axis acceleration sensor (2D sensor). The acceleration sensor may be a high-G acceleration sensor or a low-G acceleration sensor. The low-G acceleration sensor is an acceleration sensor using MEMS (Micro Electro Mechanical Systems) technology, and may be, for example, a piezo-resistance type acceleration sensor, a capacitance type acceleration sensor, or the like.

[0035] The calculation unit 112 is a means for detecting the movement of the biological information measurement unit 102 based on the acceleration value acquired by the acceleration acquisition unit 110. In this embodiment, the calculation unit 112 detects the movement of the biological information measurement unit 102 based on a specified value of the acceleration value. Note that the acceleration value may be, for example, an acceleration value at a certain point in time, or an average value of the acceleration value at a certain time. The calculation unit 112 may also detect the movement of the biological information measurement unit 102 based on a pattern of change over time of the acceleration value. The calculation unit 112 may detect the movement of the biological information measurement unit 102 based on, for example, a moving distance calculated by integrating the pattern of change over time of the acceleration value, or a feature amount (for example, the frequency of the acceleration value, etc.) extracted from the pattern of change over time of the acceleration value.

[0036] For example, when the acceleration value of the direction of travel of the biometric information measuring unit 102 and the acceleration value perpendicular to the direction of travel are within the range of acceleration values ​​generated when a person extends their hand (hereinafter referred to as within the range of the "prescribed movement value"), the calculation unit 112 detects the movement of the biometric information measuring unit 102 caused by a third party (the actual person being measured) holding the biometric information measuring unit 102 extending their hand.

[0037] Furthermore, when the acceleration value in the vertical direction relative to the direction of travel of the vital information measuring unit 102 is within the range of acceleration values ​​that occur when a person is unsteady (hereinafter referred to as within the range of "specified unsteadiness values"), unsteadiness of the vital information measuring unit 102 caused by the unsteady gait of the person being measured holding the vital information measuring unit 102 is detected.

[0038] Alternatively, when the acceleration value in the direction perpendicular to the direction of travel of the biological information measurement unit 102 is within the range of acceleration values ​​occurring during tremor and the frequency of the acceleration value is within the range of frequencies during tremor (hereinafter referred to as within the range of "specified tremor values"), fine vibrations of the biological information measurement unit 102 caused by tremor of the hand of the subject holding the biological information measurement unit 102 are detected. As a method for detecting movement from acceleration values, known methods can be adopted (for example, JP 2015-066155 A, JP 2007-244495 A, JP 2017-223587 A, etc.).

[0039] The calculation unit 112 also evaluates the validity of the measurement of the biological information based on the detected movement of the biological information measurement unit 102, such as the movement, wobble, and fine vibration of the biological information measurement unit 102. For example, if a third party (actual person being measured) impersonates the actual person to be measured and measures the biological information using the biological information measurement device 10, moves the biological information measurement unit 102 of the biological information measurement device 10 to the actual person to be measured by the time the face image of the actual person is captured, and the actual person to be measured captures the face image together with the biological information measurement device 10, the calculation unit 112 detects such a movement and evaluates the measurement of the biological information as being inappropriate because there is a suspicion of impersonation. Note that when the acceleration value is greater than a specified value for movement, the movement of the biological information measurement unit 102 may be evaluated as a fall.

[0040] The calculation unit 112 also judges a predetermined symptom of the subject based on the movement and biological information detected by the biological information measurement unit 102. For example, when the Alc concentration in the breath of the subject is 0.15 mg / L or more (hereinafter referred to as the "prescribed value of Alc concentration"), if the prescribed value of unsteadiness is not met, the subject is judged to be under influence of alcohol, and when the prescribed value of unsteadiness is met, the subject is judged to be under influence of alcohol and drunk. Here, being under influence of alcohol refers to a state in which the Alc concentration in the breath of the subject is equal to or more than the prescribed value of Alc concentration, and drunkenness refers to a state in which the subject is unsteady. Furthermore, for example, when the Alc concentration in the breath of the subject is less than the prescribed value of Alc concentration, if the prescribed value of tremor is met, the subject is judged to be suspected of being dependent on Alc.

[0041] The communication unit 114 is a means by which the biological information measuring device 10 communicates with an external device. In this embodiment, the communication unit 114 is integrated with the biological information measuring device 10, and transmits and receives information by communicating with an external device. The communication method is a wireless communication method, such as a method using a mobile phone network, a method using a wireless LAN such as Wi-Fi (registered trademark), or a method using short-range wireless communication such as Bluetooth (registered trademark) or NFC (Near Field Communication). The communication method may also be, for example, a wired communication method, or a method using a recording medium such as a flash memory.

[0042] Note that functions of the biological information measuring device 10 other than the biological information measuring unit 102 and the acceleration acquiring unit 110 may be provided in an external device capable of communicating with the biological information measuring device 10, such as the terminal 20, and the external device may be included in the biological information measuring system 30. The external device may be, for example, a tablet, a smartphone, an external hard disk drive, an external server, or the like.

[0043] (Operation of the first embodiment) The following describes the operation of the first embodiment of the biological information measuring system 30, which is realized by the above-mentioned configuration of the biological information measuring system 30. The biological information measuring system 30 of the first embodiment evaluates the validity of the measurement of the biological information based on a specified value of movement.

[0044] 3 is a diagram showing the flow of operations of the biological information measuring system 30 according to the first embodiment of the present invention. The flow starts when the power of the biological information measuring device 10 is turned on.

[0045] First, when the subject blows breath into the biological information measuring device 10, the biological information measuring device 10 measures the Alc concentration contained in the breath of the subject (step S102).

[0046] After measuring the Alc concentration, the vital information measuring device 10 detects the movement of the vital information measuring device 10 based on the acquired acceleration value of the vital information measuring device 10 (step S104).

[0047] If the specified value for movement is not met (step S106: Yes), the vital information measuring device 10 determines that there has been no movement from a third party (the actual person being measured) to the original person being measured, and that there is no problem since the original person measured the Alc concentration legitimately, and transmits the measurement result of the Alc concentration and information that there is no problem to the terminal 20 (step S108), and ends the flow.

[0048] On the other hand, if the specified value of movement is satisfied (step S106: No), the vital information measuring device 10 suspects movement from a third party (the actual person being measured) to the original person being measured, and determines that the third party (the actual person being measured) has impersonated the original person and improperly measured the Alc concentration. The device then transmits the measurement result of the Alc concentration and information on the suspicion of impersonation to the terminal 20 (step S110), and ends the flow.

[0049] In this way, according to the biological information measuring system 30 of the first embodiment, the acceleration value of the biological information measuring section 102 of the biological information measuring device 10 can be acquired, and the movement of the biological information measuring section 102 can be detected based on the acceleration value. The detected movement of the biological information measuring section 102 can be understood as the behavior, etc., of the person being measured based on the acceleration value.

[0050] Furthermore, when the biometric information of the subject is the Alc concentration contained in the subject's breath, the acceleration value generated in the biometric information measuring unit 102 due to the behavior of a third party (the actual subject) is obtained, and for example, when a third party (the actual person measuring) poses as the original subject whose biometric information should be measured and measures the biometric information using the biometric information measuring device 10, and moves the biometric information measuring unit 102 of the biometric information measuring device 10 relative to the original subject by the time the facial image of the original subject is taken, and the original subject takes a facial image together with the biometric information measuring device 10, this can be detected based on the acceleration value, and the measurement of the biometric information can be evaluated as being improper due to suspicion of spoofing.

[0051] (Operation of the second embodiment) The configuration of the biological information measurement system 30 of the second embodiment is the same as that of the biological information measurement system 30 of the first embodiment, and therefore a description thereof will be omitted. The biological information measurement system 30 of the second embodiment differs from the biological information measurement system 30 of the first embodiment in that it determines whether the subject is under the influence of alcohol or drunk based on a specified value of Alc concentration and a specified value of unsteadiness.

[0052] 4 is a diagram showing the flow of operations of the biological information measuring system 30 according to the second embodiment of the present invention. The flow starts when the power of the biological information measuring device 10 is turned on.

[0053] First, when the subject blows breath into the biological information measuring device 10, the biological information measuring device 10 measures the Alc concentration contained in the breath of the subject (step S202).

[0054] After measuring the Alc concentration, the biological information measuring device 10 detects the degree of unsteadiness of the subject when walking (step S204).

[0055] When the biological information measuring device 10 detects the degree of unsteadiness of the subject when walking, it determines whether the Alc concentration is within a specified value (step S206).

[0056] If the Alc concentration does not satisfy the specified value (step S206: Yes), it is determined that the subject has a specific symptom and that there is no problem. The Alc concentration measurement result and information that there is no problem are transmitted to the terminal 20 (step S208), and the flow ends.

[0057] If the Alc concentration meets the specified value but the unsteadiness does not meet the specified value (step S206: No, step S210: Yes), the subject is determined to be under the influence of alcohol, the measurement result of the Alc concentration and information that the subject is under the influence of alcohol are transmitted to terminal 20 (step S212), and the flow ends.

[0058] On the other hand, if the Alc concentration meets the specified value and the unsteadiness meets the specified value (step S206: No, step S210: No), the subject is determined to be under the influence of alcohol and drunk, the measurement result of the Alc concentration and information that the subject is under the influence of alcohol and drunk are transmitted to terminal 20 (step S214), and the flow ends.

[0059] In this way, according to the biological information measuring system 30 of the second embodiment, it is possible to determine a predetermined symptom of the subject based on the movement and biological information detected by the biological information measuring unit 102. That is, it is possible to determine whether the subject is under the influence of alcohol and is drunk based on the specified value of the Alc concentration and the specified value of the unsteadiness.

[0060] (Operation of the third embodiment) The configuration of the biological information measurement system 30 of the third embodiment is the same as that of the biological information measurement system 30 of the first embodiment, and therefore a description thereof will be omitted. The biological information measurement system 30 of the third embodiment differs from the biological information measurement system 30 of the first embodiment in that it determines whether the subject is suspected of having alcohol dependence or is under the influence of alcohol based on a specified value of the subject's Alc concentration and a specified value of tremor.

[0061] 5 is a diagram showing the flow of operations of the biological information measuring system 30 according to the third embodiment of the present invention. The flow starts when the power of the biological information measuring device 10 is turned on.

[0062] First, when the subject blows breath into the biological information measuring device 10, the biological information measuring device 10 measures the Alc concentration contained in the breath of the subject (step S302).

[0063] After measuring the Alc concentration, the biological information measuring device 10 detects tremor of the subject (step S304).

[0064] If the Alc concentration does not satisfy the specified value, and the tremor specified value is also not satisfied (step S306: Yes, step S308: Yes), the subject's symptoms are determined to be no problem, the Alc concentration measurement result and information that there is no problem are transmitted to terminal 20 (step S310), and the flow ends.

[0065] On the other hand, if the Alc concentration does not satisfy the specified value but the tremor satisfies the specified value (step S306: Yes, step S308: No), the subject is determined to be suspected of Alc dependence, and the Alc concentration measurement result and information of the suspicion of Alc dependence are transmitted to the terminal 20 (step S312), and the flow ends.

[0066] If the Alc concentration meets the prescribed value (step S306: No), the subject is determined to be under the influence of alcohol, and the measurement result of the Alc concentration and information that the subject is under the influence of alcohol are transmitted to the terminal 20 (step S314), and the flow ends.

[0067] In this way, according to the biological information measurement system 30 of the third embodiment, it is possible to determine a predetermined symptom of the subject based on the movement and biological information detected by the biological information measurement unit 102. That is, it is possible to determine whether the subject is suspected of having alcohol dependence or is under the influence of alcohol based on the specified value of the Alc concentration and the specified value of the tremor.

[0068] (Modification) In the biological information measurement systems 30 according to the first to third embodiments described above, the acceleration acquisition section 110 having an acceleration sensor is provided in the biological information measurement device 10. However, it may be provided in the terminal 20. [Explanation of symbols]

[0069] 10. Biological information measuring device 20. Terminal 30. Biological information measurement system 102 Biometric information measuring unit 104 Output section 106...Storage section 108...Control section 110...Acceleration acquisition section 112...Arithmetic section 114 Communications Department

Claims

1. a biological information measuring unit that is held by a subject and measures biological information based on a biological substance or a biological physical quantity of the subject; an acceleration acquisition unit that acquires an acceleration value of the biological information measurement unit; a calculation unit that detects the movement of the vital sign measurement unit based on the acceleration value; Equipped with The calculation unit detects the movement of the bioinformation measuring unit caused by the subject extending his / her hand by determining whether or not the acceleration value acquired by the acceleration acquisition unit during measurement by the bioinformation measuring unit is an acceleration value that occurs when the subject extends his / her hand.

2. The biological information measuring system according to claim 1 , wherein the biological information is an alcohol concentration contained in the breath of the subject.

3. The biological information measuring system according to claim 1 , wherein the acceleration value is an acceleration value generated in the biological information measuring unit due to a behavior of the subject.

4. The biological information measuring system according to claim 1 , wherein the calculation unit evaluates validity of the measurement of the biological information based on the detected movement of the biological information measuring unit.

5. 5. The biological information measuring system according to claim 1, wherein the calculation unit determines a predetermined symptom of the person being measured based on the movement detected by the biological information measuring unit and the biological information.

6. The biological information measuring system according to claim 1 , wherein the calculation unit detects a mode of motion of the biological information measuring unit based on the acceleration value.

7. Computer, a biological information measuring unit that is held by a subject and measures biological information based on a biological substance or a biological physical quantity of the subject; an acceleration acquisition unit for acquiring an acceleration value of the biological information measurement unit; a calculation unit that detects movement of the biological information measurement unit based on the acceleration value, and determines whether or not the acceleration value acquired by the acceleration acquisition unit during measurement by the biological information measurement unit is an acceleration value generated when the subject extends his / her hand, thereby detecting movement of the biological information measurement unit caused by the subject extending his / her hand; A biometric measurement program that functions as a

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