WO2022075467A1 - 携帯型非接触生体信号検出装置、運転者モニター装置、入場者スクリーニング・システム、及び家庭用ヘルスケアシステム - Google Patents
携帯型非接触生体信号検出装置、運転者モニター装置、入場者スクリーニング・システム、及び家庭用ヘルスケアシステム Download PDFInfo
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- WO2022075467A1 WO2022075467A1 PCT/JP2021/037446 JP2021037446W WO2022075467A1 WO 2022075467 A1 WO2022075467 A1 WO 2022075467A1 JP 2021037446 W JP2021037446 W JP 2021037446W WO 2022075467 A1 WO2022075467 A1 WO 2022075467A1
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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
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
- A61B5/0022—Monitoring a patient using a global network, e.g. telephone networks, internet
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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
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
- A61B5/02125—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave propagation time
-
- 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 pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
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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
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/0507—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves using microwaves or terahertz waves
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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
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/0816—Measuring devices for examining respiratory frequency
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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
- A61B5/103—Detecting, measuring or recording 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, mobility of a limb
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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
- A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
- A61B5/1176—Recognition of faces
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0204—Acoustic sensors
Definitions
- the present invention relates to a small and portable non-contact type biological signal detection device.
- Devices that detect biological information such as body temperature, heart rate, respiratory rate, and blood pressure in a non-contact manner are not limited to operations such as hospitals and long-term care facilities, but also daily health management of individuals, driver's driving condition monitor, or crowding. It is extremely important for screening of sick people at event venues and transportation facilities where close and closed conditions are likely to occur, and its widespread use is expected.
- Heart rate and respiratory rate can be measured non-contact with a visible light camera or radar sensor. It is known that the blood pressure estimation method can also be performed non-contactly using a radar sensor. These methods are also disclosed in the following patent documents.
- Patent Document 1 discloses a method of detecting a body temperature in an ear canal with a radiation thermometer and measuring an electrocardiographic waveform from a potential difference between the ear canal and the palm to detect a heart rate. Although it is small and portable, it requires a contact electrode to measure the electrocardiographic waveform, heart rate detection is not non-contact type, and it does not have a function to detect respiratory rate.
- Patent Document 2 discloses an example of an infant incubator installed in a hospital that detects and monitors biological signals. It is equipped with an infrared sensor, a visible light camera, and a microphone, and is a system that detects body temperature with an infrared sensor, breathing, heartbeat, skin blood flow with a visible light camera, and the sound generated by an infant with a microphone. All sensors are individually fixed in the incubator, and although non-contact measurement is possible, it is a stationary type.
- Patent Document 3 discloses a method for detecting a diseased body by measuring body temperature, respiratory rate, and heart rate with a stationary non-contact sensor. Thermography is used for temperature detection, and two microwave sensors with different respiratory and heart rates are used. Although it is non-contact detection, the device is large and is a stationary type.
- a small, portable, non-contact biosignal detection device that detects biological information from either the living body in front of the non-contact biosignal detection device or the living body behind the non-contact biosignal detection device.
- a non-contact biological signal detection device made possible.
- An infrared radiation thermometer can be applied as a method of detecting body temperature without contact, and a small portable type has been put into practical use.
- a method of applying a radar sensor is excellent for detecting respiratory rate and heart rate in a non-contact manner.
- there are many problems in making it a compact portable type, and in order to put a multifunctional portable biological signal detection device into practical use, making the radar sensor compact and taking measures against vibration of the device are important solutions.
- a small, portable, non-contact biological signal detection device that uses MIMO radar. It enables the radio radiation of the MIMO radar to be emitted to either the front or the back of the non-contact biological signal detection device, and the living body in front of the non-contact biological signal detection device or the living body behind the non-contact biological signal detection device.
- a non-contact biological signal detection device that enables detection of biological information from either.
- a small and portable non-contact biological signal detection device made it possible to easily acquire biological signals such as respiration, heartbeat, and body temperature.
- a small MIMO radar with a planar antenna was adopted as the radar sensor.
- It has an antenna unit in which a plane antenna of a MIMO radar is deployed on the front surface and a display unit having a display panel on the front surface, and the plane antenna and the display panel face the front direction of the front surface. From the state, the antenna unit can rotate with respect to the display unit or the display unit can rotate with respect to the antenna unit so that the flat antenna faces the back surface of the display unit facing the display panel. Adopted the configuration combined with.
- the biological signal on the front side of the front surface and the biological signal on the direction side of the back surface facing the front surface were detected.
- the basic configuration is a portable device that can detect not only the subject whose biological information is detected and measured, but also the respiratory rate and amplitude of the measurer who detects and measures the biological information.
- a vibration sensor is provided in the device to acquire biometric information or correct or correct the acquired biometric information based on the vibration information in the front-back direction (traveling direction of radar radio waves) of the person to be measured for which biometric information is detected and measured during measurement. It has a function to reduce the detection error due to the vibration of the device.
- a non-contact portable biological signal that can collectively acquire biological information such as body temperature, respiratory rate, and heart rate with a single device by arranging an infrared radiation thermometer and a visible light camera on the same surface as the plane antenna. Realized a detection device.
- the configuration is equipped with a mechanism.
- the above-mentioned correction mechanism is a fixed object that is located in the vicinity of the person to be measured and has a fixed position for the vibration of the hand when the measurer holds the portable non-contact biometric signal detection device in his / her hand for measurement.
- the mechanism can be used to suppress the vibration on hand that is superimposed on the signal reflected and returned from the subject.
- Such an invention can be configured as exemplified below.
- It has an antenna unit in which a plane antenna of a MIMO radar is deployed on the front surface and a display unit having a display panel on the front surface, and the plane antenna and the display panel face the front direction of the front surface. From the state, the antenna unit can rotate with respect to the display unit or the display unit can rotate with respect to the antenna unit so that the flat antenna faces the back surface of the display unit facing the display panel.
- a portable non-contact biological signal detection device that detects a biological signal on the front side of the front surface and a biological signal on the direction side of the back surface facing the front surface.
- the portable non-contact biological signal detection device comprising a vibration sensor for detecting the movement of a living body in which the biological signal is detected in the radio wave radiation direction of the MIMO radar.
- An infrared radiation thermometer that emits infrared rays in the radio wave radiation direction of the MIMO radar and a visible light camera that captures the radio wave radiation direction of the MIMO radar are installed in the antenna unit, and breathing and heartbeat are provided as biological signals.
- the portable non-contact biometric signal detection device according to any one of [1] to [5], wherein the body temperature and the pulse wave velocity are detected.
- the portable non-contact biological signal detection device which obtains a plurality of pulse wave information as biological information, detects the pulse wave velocity based on the pulse wave information, and estimates the blood pressure from the pulse wave information.
- the portable device according to any one of [1] to [9], which is given to the biological signal detected when the measurer holds the portable non-contact biological signal detection device by hand and detects the biological signal of the person to be measured.
- the portable non-contact biological signal detection device according to any one of [1] to [9], which has a correction mechanism for suppressing the influence of vibration of the type non-contact biological signal detection device.
- the correction mechanism is located in the vicinity of the person to be measured and has a fixed position for the vibration of the hand when the measurer holds the portable non-contact biometric signal detection device in his / her hand for measurement.
- Portable non-contact biometric signal detection according to [10] which is a mechanism that suppresses hand-held vibration superimposed on the signal reflected and returned from the subject using the signal reflected and returned from the fixed object. Device.
- a driver monitoring device that monitors the driving state of the driver of the moving vehicle by the portable non-contact biological signal detection device according to any one of [1] to [9] installed in the driver's seat of the moving vehicle.
- a visitor screening system in which a portable non-contact biological signal detection device of [8] is installed in a passage section where a large number of people pass, and a sick person or an unhealthy person is extracted from the large number of people passing through the pass section.
- a home-use healthcare system in which a resident measures, records, and manages biometric information by himself / herself in the home using the portable non-contact biological signal detection device according to any one of [1] to [11].
- An animal health condition monitoring device for detecting biological information of an animal at a zoo or a veterinary hospital using the portable non-contact biological signal detection device according to any one of [1] to [11].
- MIMO radar It is possible to provide a small, portable, non-contact type biological signal detection device using MIMO radar. Allows the MIMO radar to radiate radio waves to either the front or the back of the non-contact biosignal detection device, and the living body in front of the non-contact biosignal detection device or the living body behind the non-contact biosignal detection device. Biometric information can be detected from either.
- a small and portable non-contact biological signal detection device can easily acquire biological signals such as respiration, heartbeat, and body temperature.
- FIG. 1 is a block diagram illustrating an example of a circuit configuration of the illustrated portable non-contact biological signal detection device.
- the figure explaining an example in which the portable non-contact biological signal detection apparatus which concerns on this invention is used for the entrance / exit management system which has a face image recognition and a health check function.
- (B) is a reference photograph showing a state in which the antenna unit is rotated 180 degrees with respect to the display unit from the state of FIG. 9A and the flat antenna is oriented toward the back surface of the display unit facing the display panel.
- the portable non-contact biological signal detection given to the detected biological signal is given.
- (A) is due to the vibration of the portable non-contact biological signal detection device given to the detected biological signal when the measurer holds the portable non-contact biological signal detection device by hand and detects the biological signal of the person to be measured.
- a flow chart for explaining the processing process until the camera shake suppression coefficient is calculated (b) is a flow for explaining the processing process for calculating the vibration of the object using the calculated camera shake suppression coefficient.
- (b) is a flow for explaining the processing process for calculating the vibration of the object using the calculated camera shake suppression coefficient.
- FIG. 1 is a perspective view showing an embodiment of a portable non-contact biological signal detection device 101 (sometimes referred to as “VSM device” in the present specification and drawings) according to the present invention.
- VSM device sometimes referred to as “VSM device” in the present specification and drawings
- the portable non-contact biological signal detection device 101 of this embodiment includes an antenna unit 110 and a display unit 130.
- the antenna unit 110 is provided with a radar flat antenna 112 on the front surface.
- the display unit 130 is provided with a display panel 115 including a liquid crystal display screen or the like on the front surface.
- MIMO Multiple Input Multiple Output
- MIMO radar A high-resolution radar is adopted as the radar, and in this embodiment, a small MIMO (Multiple Input Multiple Output) radar of a microwave or millimeter wave band is adopted.
- MIMO Multiple Input Multiple Output
- MIMO radar may be referred to as “MIMO radar”.
- the planar antenna 112 is a transmission and reception planar array antenna of the MIMO radar, and is a transmission / reception planar antenna in FIG.
- Biological information on respiration and heartbeat is detected by detecting minute displacements of the subject (that is, the person to be measured) who transmits and receives radio waves by the planar antenna 112, which is a planar array antenna for transmitting and receiving MIMO radar, and detects biological signals. Is detected.
- MIMO radar can configure an antenna with excellent directivity with a small number of antenna elements, and can detect biological signals with a planar antenna of several cm square in the quasi-millimeter wave band of the 24 GHz band.
- radio waves are radiated in front of the measurer to detect the biological signal of the subject different from the measurer, but when the antenna surface is rotated 180 degrees, the radio waves are radiated backward (in the direction of the measurer himself). Therefore, it is possible to detect the biometric signal of the measurer himself.
- the flat antenna 112 and the display panel 115 face the same front surface in the front direction.
- the antenna unit 110 is rotatably combined with the display unit 130 via the antenna rotation mechanism 111. From the illustrated state, as shown by the arrow in FIG. 1, the antenna unit 110 is rotated 180 degrees with respect to the display unit 130 so that the flat antenna 112 faces the back surface of the display unit 130 facing the display panel 115. It is possible.
- the biological signal on the front side of the front surface of the portable non-contact biological signal detection device 101 can be detected, but as shown by the arrow in FIG. 1, the antenna unit 110 is attached to the display unit 130. By rotating it 180 degrees, it is possible to detect the biological signal on the direction side of the back surface facing the front surface of the portable non-contact biological signal detection device 101.
- radio waves are radiated in front of the measurer to detect the biological signal of the subject different from the measurer, but when the antenna surface is rotated 180 degrees, the radio waves are radiated backward (in the direction of the measurer himself). Therefore, it is possible to detect the biometric signal of the measurer himself.
- FIG. 1 In the illustrated embodiment, the antenna unit 110 and the display unit 130 are arranged vertically in the drawing, and the antenna rotation mechanism 111 is interposed between the lower end side of the antenna unit 110 and the upper end side of the display unit 130. It was disguised. Due to the presence of the antenna rotation mechanism 111, the antenna unit 110 is rotated 180 degrees with respect to the display unit 130, and as shown in FIG. 1, neither the flat antenna 112 nor the display panel 115 is facing forward, which is not shown. However, the display panel 115 can be oriented forward as shown in FIG. 1, and the flat antenna 112 can be oriented toward the rear surface.
- FIG. 9 is a reference photograph showing another embodiment of the portable non-contact biological signal detection device according to the present invention.
- the display panel and the planar antenna of each of the display unit on the right side in the figure and the antenna unit on the left side in the figure are facing forward, and the arrow 20 is from the antenna unit on the left side in the figure.
- the radio wave of the MIMO radar is emitted in the direction indicated by.
- the antenna rotation mechanism includes the left end side of the right display unit in FIG. 9 (a) and the right end side of the left antenna unit in FIG. 9 (a). It is intervened between.
- the antenna portion is used as the display portion centering on the portion where the antenna rotation mechanism is interposed.
- the flat antenna of the antenna unit can be oriented toward the back surface of the display unit facing the display panel.
- the plane antenna of the antenna portion radiates the radio wave of the MIMO radar in the direction indicated by the arrow 22 in FIG. 9 (b).
- a measurer having a portable non-contact biological signal detection device can see the information displayed on the display panel of the display unit as shown in FIG. 9B, and the biological information of the person to be measured in the direction of arrow 22. Can be detected.
- a measurer (a person who performs measurement) who holds and operates this portable non-contact biometric signal detection device by hand sees the information displayed on the display panel of the display unit as shown in FIG. 9B.
- the biometric information of the person to be measured can be detected by radiating the radio wave of the MIMO radar to the person to be measured from the plane antenna of the antenna portion in the direction indicated by the arrow 22 in FIG. 9B.
- the portable non-contact biological signal detection device 101 of this embodiment is small enough to be held by a person performing measurement as described with reference to FIG. 9 for measurement. Therefore, the transmitted wave may be radiated not only to the front indicated by arrows 20 and 22 in FIGS. 9 (a) and 9 (b) but also to the rear.
- a structure can be formed in which a shield plate is sandwiched between the antenna portion and the display portion.
- a shield plate is easily sandwiched between the display unit (front side of FIG. 9B) and the antenna unit (rear side of FIG. 9B) in the state shown in FIG. 9B. It is fixed so that the shield plate can be easily removed when returning from the state shown in FIG. 9 (b) to the state shown in FIG. 9 (a).
- a thin plate-like shape is formed between the display unit (front side of FIG. 9B) and the antenna unit (rear side of FIG. 9B). If the shield plate is present, the radiation to the rear of the radio wave (the direction opposite to the direction of the arrow 22) can be reduced.
- the transmitted wave is also radiated backward to cause the measurer's own vibration. You can prevent it from being picked up.
- FIG. 2 is a block diagram illustrating an example of a circuit configuration of the portable non-contact biological signal detection device 101 illustrated in FIG. 1.
- the portable non-contact biological signal detection device 101 can be configured from a device having a computer function for executing various functions described later under a predetermined computer program, like a smartphone or the like.
- the portable non-contact biological signal detection device 101 includes a radar signal processing unit 118, a CPU (signal processing, system control) 119, a wireless communication unit 120 required for external connection, and a power supply unit 121. It is configured with. Depending on the usage mode, a storage device, a backup power supply, and an attachment device for use in a portable semi-fixed state can be provided as an accessory device.
- the radar signal processing unit 118 analyzes the amplitude information and frequency information from the radar signal acquired by the planar antenna 112, which is a planar array antenna for transmission and reception of MIMO radar, and acquires the respiratory rate and heart rate information of the person to be measured. can do.
- the radar signal processing unit 118 and the CPU (signal processing, system control) 119 it becomes possible to estimate derived information such as pulse wave velocity and blood pressure from the acquired radar signal.
- the portable non-contact biological signal detection device 101 of the illustrated embodiment includes a vibration sensor that detects the movement of a living body (measured person) in which the biological signal is detected in the radio wave radiation direction of the radar. Can be configured.
- the radar When actually measuring the respiratory rate and heart rate of the person to be measured using the MIMO radar, the radar itself is fixed and a minute displacement in the traveling direction of the radio wave toward the person to be measured (that is, the front-back direction of the person to be measured). It is desirable to detect (about 1 mm). In addition, since the breathing cycle is around 3 seconds, it is also required to maintain stability for several seconds.
- the radar itself will also vibrate. Therefore, vibration countermeasures are extremely important.
- Visible light cameras on the market also have this vibration (shake) prevention measure.
- the vibration of the camera in the vertical and horizontal directions with respect to the subject is a problem, but the front-back direction, which is the direction from the camera to the subject, is hardly a problem.
- the correction time for vibration in a visible light camera is extremely short compared to that in the case of radar.
- the vibration prevention measures conventionally adopted for the visible light camera are not the techniques applicable to the vibration countermeasures of the present invention.
- a vibration sensor 116 is provided in the apparatus (particularly, the antenna portion 110) to detect the vibration level in the radio wave radiation direction of the radar (the front-back direction of the person to be measured), thereby detecting the radio wave of the radar.
- the movement of the living body (measured person) in which the biological signal is detected in the radial direction is detected.
- vibration sensor 116 a three-dimensional accelerometer or the like can be adopted.
- the signal level for the vibration detected by the vibration sensor 116 can be displayed on the display panel 115.
- the signal level for the vibration detected by the vibration sensor 116 can be displayed by the vibration indicator 117. It can be displayed on the display panel 115 and also on the vibration indicator 117.
- vibration sensor 116 It is possible to have a function to detect the vibration level in the radar radio radiation direction (front-back direction of the person to be measured) with the vibration sensor 116 and perform the measurement only when the measurement is possible, or to obtain it with the vibration sensor 116.
- the vibration information is used to correct the detection information obtained by the radar as it is, so that accurate breathing and heartbeat information can be extracted.
- Portable non-contact biological signal detection is a mechanism that suppresses the occurrence of errors due to the superposition of hand-held vibrations on the signal of an object when the measurer holds the portable non-contact biological signal detection device 101 in his hand for measurement. It can be deployed in the device 101.
- This mechanism uses the vibration information obtained by the vibration sensor 116 described above to correct the detection information as it is obtained by the radar and extracts accurate respiration / heartbeat information. It is a portable non-contact biological signal. It can be deployed in the detection device 101. In addition, this mechanism is added to the configuration to extract accurate respiration / heartbeat information by correcting the detection information as it is obtained by the radar using the vibration information obtained by the vibration sensor 116, and this mechanism is portable non-contact biometric signal detection. It can also be deployed in device 101.
- This mechanism is the vibration of the portable non-contact biological signal detection device 101 that gives the biological signal detected when the measurer holds the portable non-contact biological signal detection device 101 by hand and detects the biological signal of the person to be measured. It is a correction mechanism that suppresses the influence of.
- the vibration on hand may be superimposed on the signal of the object. If this happens, a measurement error will occur.
- Such an event occurs due to a mechanism that suppresses the occurrence of an error due to the vibration of the hand held by the measurer holding the portable non-contact biological signal detection device 101 in his hand and superimposing the vibration on the object. It can be suppressed.
- This mechanism uses, for example, a signal returned from a fixed object to reflect the vibration of the hand when the measurer holds the portable non-contact biological signal detection device 101 in his / her hand for measurement, and is used by the person to be measured. It is a correction mechanism that suppresses the vibration on hand that is superimposed on the reflected and returned signal.
- the portable non-contact biological signal detection device of this embodiment which is displayed as a "sensor" in FIGS. 10 (a) and 10 (b), provides a fixed object and an "object” in FIGS. 10 (a) and 10 (b). Two points with the person to be measured, which are displayed as, are set as measurement points.
- FIG. 10A a wall existing in the vicinity of the object (measured person) and having a fixed position is used as a fixed object.
- FIG. 10B a cage or fence that exists in the vicinity of the object (measured person) and has a fixed position is used as a fixed object.
- the positions of the fixed object and the object are input to the portable non-contact biological signal detection device (FIG. 11 (a)).
- the radar signals acquired from the fixed object and the object with respect to the radio waves of the MIMO radar radiated from the radar transmission / reception antenna 112 are processed by the radar signal processing unit 118, the CPU 119, etc., and these are portable non-contact biological signals.
- the positions of the fixed object and the object can be input to the portable non-contact biometric signal detection device in a format of being stored in the storage unit of the detection device and read out.
- the sensor is vibrated in the direction of the object (measured person) in units of cm (FIG. 11 (a)).
- the sensor is vibrated in the direction of the object (measured person) in the range of several cm and about 10 rpm to 30 rpm.
- the signal reflected and returned from the object (measured person) and the signal reflected and returned from the fixed object which are referred to as "MIMO radar processing" in FIG. 11A, are respectively sensors (portable type). It is processed by a non-contact biological signal detector). That is, the radar signal acquired by the sensor (portable non-contact biological signal detection device) for the radio wave of the MIMO radar radiated from the radar transmission / reception antenna 112 is processed by the radar signal processing unit 118, CPU 119, etc. to be an object. The vibration waveform of the fixed object is extracted and the vibration waveform of the fixed object is extracted, and the camera shake suppression coefficient is calculated (FIG. 11 (a)).
- the steps up to this point are preparatory steps, and when the measurement is performed, the camera shake suppression coefficient calculated in the step of FIG. 11 (a) is used, and the operation flow shown in FIG. 11 (b) is used to carry out the portable non-contact. It suppresses the influence of vibration of the portable non-contact biological signal detection device 101 on the biological signal detected when the measurer holds the biological signal detection device 101 by hand and detects the biological signal of the person to be measured, and is more accurate. It is possible to measure the vibration of the person to be measured.
- x t (t) time waveform of vibration of the object
- x h (t) time waveform of vibration of the sensor
- k 1 correction coefficient
- x f (t) time waveform of vibration of fixed object
- x h (t) time of vibration of sensor Waveform
- k 2 Correction coefficient
- x h (t) x k 1 Vibration waveform measurement value (IF waveform) of the object
- x k 2 Vibration waveform measurement value of fixed object (IF waveform) Is.
- the sensor is vibrated in the direction of the object (measured person) in units of cm.
- the vibration waveform of the object becomes a waveform sufficiently smaller than the vibration waveform of the sensor and can be ignored.
- k 3 is a conversion coefficient for obtaining the vibration of the hand included in the vibration waveform measurement value of the object from the vibration waveform measurement value of the fixed object, that is, the camera shake suppression coefficient.
- k 3 camera shake suppression coefficient
- the correction mechanism is realized by the above-mentioned processing by the radar signal processing unit 118, the CPU 119, etc. provided in the portable non-contact biological signal detection device 101.
- the antenna unit 110 can be configured to have an infrared radiation thermometer 113 that emits infrared rays in the radio wave radiation direction of the radar.
- the infrared radiation thermometer 113 is configured to detect the body temperature of the person to be measured in a non-contact manner.
- the antenna unit 110 can be configured to have a visible light camera 114 that captures the radio wave radiation direction of the radar.
- the visible light camera 114 displays the face image of the person to be measured (measured person) on the display panel 115, and this image information is used to determine the measurement distance and measurement department when measuring biological signals and improve the accuracy of the measurement signal. It is also possible to have a function to identify the person to be measured by the face image recognition technology.
- the pulse wave velocity is detected from the above-mentioned respiratory rate, heart rate information, etc. of the subject grasped from the radar signal and a plurality of pulse wave information obtained by the visible light camera 114, and the blood pressure is obtained from the pulse wave information. It is also possible to estimate.
- the portable non-contact biological signal detection device 101 of this embodiment uses a MIMO radar
- the microwave radar sensor is used to individually, simultaneously, and continuously from a plurality of different parts of the human body of the person to be measured. And vibration can be obtained.
- vibrations are acquired individually and continuously from multiple different parts of the human body of the person to be measured, and the heart rate interval (RPI) is calculated from the vibration waveforms of the person to be measured at multiple places, and the singular value is excluded. It is possible to improve the measurement accuracy by performing the processing.
- RPI heart rate interval
- a processing control unit including a CPU 119 or the like calculates a heartbeat interval (RPI) from vibration waveforms of a plurality of locations of the subject, calculates a mean value and a standard deviation, and for example, a value at which the heartbeat interval (RPI) is separated by 1 ⁇ or more. Is excluded, and the average value of the remaining parts is calculated to improve the measurement accuracy.
- RPI heartbeat interval
- vibrations are acquired individually, simultaneously, and continuously from a plurality of locations (head, chest, thighs, legs) of the subject.
- the average value of T1 (head), T2 (chest), T3 (thigh), and T4 (foot) in FIG. 13 is 0.8725 s and the standard deviation is 0.1317 s, the average values are excluded except for values separated by 1 ⁇ or more.
- the heart rate interval (RPI) 0.7966 s.
- the calculation processing results and the like can be displayed on the display unit 130.
- the radar signal processing unit 118 and the CPU (signal processing, system control) 119 execute predetermined processing by a predetermined computer program that causes the computer to execute the various functions described above, and the radar signal and vibration sensor acquired by the plane antenna 112. Based on the vibration information acquired by 116, the temperature information acquired by the infrared radiation thermometer, and the image information acquired by the visible light camera 114, the above-mentioned various processes are executed, and one portable non-contact biometric signal detection device is executed. At 101, it becomes possible to detect and measure breathing, heartbeat, and body temperature, estimate pulse wave velocity, and estimate blood pressure.
- the display panel 115 can be provided with a function of displaying measurement conditions and detected biological signal data in addition to the image of the person to be measured.
- FIG. 3 is applied when a nurse, a caregiver, or the like in a hospital, a care facility, or the like always carries the portable non-contact biological signal detection device 101 of the above-described embodiment to check the health condition of a patient or the like.
- This is an example.
- This is an example of a method of detecting a respiratory rate and a heart rate in the thoracic region of a patient or the like.
- 101 is a portable non-contact biometric signal detection device according to the above-described embodiment
- 200 is a person to be measured
- 210 is a measurer such as a nurse or a caregiver
- 220 is a measurement direction of a facial image and body temperature
- 230 is a thorax. Indicates the radiation direction of the radar radio wave toward the unit.
- the respiratory rate and heart rate can be detected in the thorax of the subject 200.
- the portable non-contact biological signal detection device 101 of the above-described embodiment it is possible to detect body temperature, respiratory rate, heart rate and estimate blood pressure in a non-contact manner, and perform safe and simple nursing and long-term care work. It can be carried out.
- the heartbeat signal can be measured from the displacement of the thorax with a radar, and the pulse wave information can be detected from the blood flow change of the face with the visible light camera 114. It is possible.
- the pulse wave velocity can be detected by comparing the signals of these two parts of the human body and examining the correlation. Therefore, by installing a necessary computer program in the signal processing unit including the computer of the portable non-contact biological signal detection device 101 of the above-described embodiment, it becomes possible to detect the electroencephalogram velocity.
- FIG. 4 shows a driving state monitor, a doze detector, and the like of a driver such as a bus or a taxi, a driver of a public transportation system, etc., utilizing the features of the portable non-contact biological signal detection device 101 of the above-described embodiment. This is an application example.
- a driver monitoring device that monitors the driving state (for example, health state) of the driver of the mobile vehicle by the portable non-contact biological signal detection device 101 of the above-described embodiment deployed in the driver's seat of the mobile vehicle. This is an example to which the present invention is applied.
- 101 is the portable non-contact biological signal detection device of the above-described embodiment
- 200 is the person to be measured (driver)
- 220 is the measurement direction of the face image and body temperature
- 230 is the radiation direction of the radar radio wave
- the thoracic portion Shows how to detect respiratory rate and heart rate.
- the driver's driving status monitor acquires biometric information with individual sensors such as cameras and radar devices, but there are many problems such as installation location and wiring when installing in a narrow car.
- FIG. 4 is an example in which the portable non-contact biological signal detection device 101 of the above-described embodiment is set in the upper part of the driver's seat.
- the degree of freedom in selecting the installation location is high, and the driver's driving situation can be grasped more accurately and quickly by collectively acquiring body temperature, respiration, heartbeat, or facial information.
- the utility value in terms of safety is extremely high because it is possible to detect drowsiness extremely effectively.
- This example shows an example in which the portable non-contact biological signal detection device 101 of the above-described embodiment is set in the upper part of the driver's seat.
- public transportation has been described in this example, it goes without saying that the present invention can also be applied to a driving monitor of an individual driver of a private car.
- FIG. 5 shows an example of application to an entrance / exit / entrance / exit management system having a health check function at the same time as face image recognition.
- 101 is a portable non-contact biological signal detection device of the above-described embodiment
- 112 is a transmission / reception plane antenna
- 113 is a radiation thermometer
- 114 is a visible light camera
- 115 is a display panel.
- a on the left side shows an example of display during authentication / measurement
- B on the right side shows an example of display of the authentication result and the biological signal measurement result.
- face image recognition assumes a system that collates face images with an external database via a network.
- highly safe entry and exit can be achieved at hospitals, long-term care facilities, business establishments that handle food, etc., where it is necessary to continuously manage individual biometric information and health conditions on a daily basis. Entrance / exit management becomes possible.
- FIG. 6 illustrates an application example to a system for screening a diseased person in a place where a large number of people are gathered, such as an event venue or a stadium.
- a visitor screening that deploys the portable non-contact biological signal detection device 101 of the above-described embodiment in a passage section where a large number of people pass, and extracts sick or unhealthy persons from the large number of people passing through the pass section. It is a system.
- 101 is a portable non-contact biological signal detection device of the above-described embodiment
- 300 is a portable non-contact biological signal detection device mounting device (installation table)
- 310 is a portable tripod
- 320a and 320b are entrances. Person (measured person) is shown.
- a backup power supply, a communication device, etc. are prepared for a portable mounting device such as a tripod, and continuous measurement is performed for a long time by appropriately selecting the installation location and the number of installed devices.
- a portable mounting device such as a tripod
- FIG. 7 is an application example to a daily health management monitor in the home.
- 101 is the portable non-contact biological signal detection device of the above-described embodiment
- 200 is the measurement target person (measured person, in this case, the measurer himself)
- 220 is the shooting direction of the face image
- 230 is the radar radio wave. Indicates the beam direction toward the thorax.
- the portable non-contact portable non-contact biological signal detection device 101 of the present invention By using the portable non-contact portable non-contact biological signal detection device 101 of the present invention, it becomes possible to measure by oneself anywhere and to obtain biological information collectively. Convenience will be improved and it will be possible to contribute to continuous health management because it does not require much effort.
- the antenna surface is rotated 180 degrees and the measurement is performed by oneself, but it is possible to perform the measurement anywhere in the toilet or washroom.
- the above is the case of measuring the biological signal by oneself, but when the parent checks the health condition of the child by setting the antenna to the normal state, the biological signal of another person other than himself is measured and it is routinely measured. Needless to say, it can be used as a home healthcare device.
- FIG. 8 is an application example for the detection of biological signals of animals in zoos and the like.
- 101 is a portable non-contact biological signal detection device according to the above-described embodiment
- 310 is a portable tripod to which the portable non-contact biological signal detection device 101 is attached
- 330 is an animal to be measured
- 340 is a cage. ..
- Measuring animal biological signals at zoos and veterinary hospitals is important data not only for checking the health condition but also for studying the ecology of animals. However, since it is often the case that dangerous animals that cause harm are also handled, it is essential for measurers such as breeders to measure from a safe place in a non-contact manner.
- a portable non-contact biological signal detection device 101 is attached to a tripod and installed near the animal to be measured (may be outside the cage as shown in the figure) for measurement.
- the integrated biological signal detector device has not yet been put into practical use as a small and portable device.
- the present invention by realizing this, not only the convenience of workers in hospitals and long-term care facilities is improved, the safety is expanded, and the work load is reduced, but also the information of biological signals is required. Its use will be greatly expanded in various tasks and daily health management.
- the present invention can realize an integrated biological signal detector device capable of detecting body temperature, respiratory rate, heart rate, and estimating blood pressure in a non-contact portable manner, it will improve the convenience of workers in hospitals and nursing homes. In addition to contributing to the expansion of safety and the reduction of the inspection work load, the use of biological signal information in applications that require information will be greatly expanded.
Abstract
Description
[1]
前面にMIMOレーダの平面アンテナが配備されているアンテナ部と、前面に表示パネルを備えている表示部とを備えていて、前記平面アンテナと前記表示パネルとが前記前面の前方方向を向いている状態から、前記平面アンテナが前記表示パネルに対向する前記表示部の背面の方向に向くように、前記アンテナ部が前記表示部に対して、あるいは、前記表示部が前記アンテナ部に対して回転可能に組み合わされていて、
前記前面の前方側における生体信号及び、前記前面に対向する前記背面の方向側における生体信号を検出する
携帯型非接触生体信号検出装置。
前記MIMOレーダの電波放射方向における、前記生体信号の検出が行われる生体の動きを検知する振動センサを具備している[1]の携帯型非接触生体信号検出装置。
前記振動センサで検知した振動についての信号レベルが前記表示パネルに表示される[2]の携帯型非接触生体信号検出装置。
前記振動センサで検知した振動についての信号に基づいて前記生体信号の検出が行われる[2]又は[3]の携帯型非接触生体信号検出装置。
前記振動センサで検知した振動についての信号に基づいて前記検出された生体信号の修正及び/又は補正が行われる[2]又は[3]の携帯型非接触生体信号検出装置。
前記アンテナ部に前記MIMOレーダの電波放射方向に赤外線が放射される赤外線放射温度計が配備されている[1]~[5]のいずれかの携帯型非接触生体信号検出装置。
前記アンテナ部に前記MIMOレーダの電波放射方向を撮影する可視光カメラが配備されている[1]~[6]のいずれかの携帯型非接触生体信号検出装置。
前記アンテナ部に前記MIMOレーダの電波放射方向に赤外線が放射される赤外線放射温度計と、前記MIMOレーダの電波放射方向を撮影する可視光カメラとが配備されていて、生体信号として、呼吸、心拍、体温、脈波速度が検出される[1]~[5]のいずれかの携帯型非接触生体信号検出装置。
生体情報として複数の脈波情報を得て、これに基づき脈波速度を検出し、その脈波情報より血圧を推定する[8]の携帯型非接触生体信号検出装置。
[1]~[9]のいずれかの前記携帯型非接触生体信号検出装置を測定者が手で持って被測定者の前記生体信号を検出する際に検出される前記生体信号に与える前記携帯型非接触生体信号検出装置の振動による影響を抑圧する補正機構を備えている[1]~[9]のいずれかの携帯型非接触生体信号検出装置。
前記補正機構は、前記携帯型非接触生体信号検出装置を前記測定者が手に持って測定を行う場合の手持ちの振動を、前記被測定者の近傍に位置していて位置が固定されている固定物から反射して戻ってくる信号を使い、前記被測定者から反射して戻ってくる信号に重畳している手持ちの振動を抑圧する機構である[10]の携帯型非接触生体信号検出装置。
移動車両の運転者席に配備されている[1]~[9]のいずれかの携帯型非接触生体信号検出装置によって前記移動車両の運転者の運転時の状態を監視する運転者モニター装置。
多数人が通行する通行部に[8]の携帯型非接触生体信号検出装置を配備し、前記通行部を通行する多数人の中から有病者あるいは不健康者を抽出する入場者スクリーニング・システム。
[1]~[11]のいずれかの携帯型非接触生体信号検出装置を用いて、家庭内で居住者が生体情報を自分自身で測定し、記録して健康管理する家庭用ヘルスケアシステム。
[8]の携帯型非接触生体信号検出装置を用いて、前記可視光カメラで得られる画像情報で顔認識するとともに、体温、呼吸、心拍の生体情報を検出して監視する入退出・入出門管理システム。
[1]~[11]のいずれかの携帯型非接触生体信号検出装置を用いて、動物園や動物病院で動物の生体情報を検出する動物の健康状態モニター装置。
Rt(t)=xt(t)×k1+xh(t)×k1 ・・・(1)
である。
xh(t)=センサーの振動の時間波形
k1=補正係数
センサー(携帯型非接触生体信号検出装置)が固定物から受信する受信信号Rf(t)は、
Rf(t)=xf(t)×k2+xh(t)×k2 と表される
xf(t)=固定物の振動の時間波形
xh(t)=センサーの振動の時間波形
k2=補正係数
ここで、xf(t)=固定物の振動の時間波形=0であるから
Rf(t)=xf(t)×k2+xh(t)×k2
=xh(t)×k2・・・(2)
となる。
R(t)=Rt(t)+Rf(t)
=(xt(t)×k1+xh(t))×k1+xh(t)×k2・・・(3)
この式において、
xh(t)×k1=対象物の振動波形測定値(IF波形)
xh(t)×k2=固定物の振動波形測定値(IF波形)
である。
xh(t)×k1+xh(t)×k2×k3=0
となるk3を求めると、
k3=-{xh(t)×k1}÷{xh(t)×k2}・・・・(4)
となる。
R(t)=xt(t)×k1+{xh(t)×k1+xh(t)×k2×k3}・・・(5)
R(t)=xt(t)×k1+{xh(t)×k1+xh(t)×k2×k3}
=xt(t)×k1+0
=xt(t)×k1
図3は、病院や介護施設などで看護師、介護士などが、上述した実施形態の携帯型非接触生体信号検出装置101を常時携帯して、患者などの健康状態をチェックする際に適用する例である。患者などの胸郭部で呼吸数、心拍数を検出する方法の一例を説明するものである。
図4は、上述した実施形態の携帯型非接触生体信号検出装置101の特長を生かしたバスやタクシーなどの運転者、公的交通機関の運転者などの運転状態モニターや居眠り検出器などへの応用例である。
図5は、顔画像認識と同時に健康チェック機能を有する入退室・入出門管理システムへの応用例を示すものである。
図6図は、イベント会場や競技場などのように多数の人々が集っているところで、有病者をスクリーニングするシステムへの応用例を説明するものである。
図7は、家庭内における日常的な健康管理モニターへの応用例である。
上述した実施形態の携帯型非接触生体信号検出装置101を用いて、動物園や動物病院で動物の生体情報を検出する動物の健康状態モニター装置としての実施形態を説明する。
Claims (16)
- 前面にMIMOレーダの平面アンテナが配備されているアンテナ部と、前面に表示パネルを備えている表示部とを備えていて、前記平面アンテナと前記表示パネルとが前記前面の前方方向を向いている状態から、前記平面アンテナが前記表示パネルに対向する前記表示部の背面の方向に向くように、前記アンテナ部が前記表示部に対して、あるいは、前記表示部が前記アンテナ部に対して回転可能に組み合わされていて、
前記前面の前方側における生体信号及び、前記前面に対向する前記背面の方向側における生体信号を検出する
携帯型非接触生体信号検出装置。 - 前記MIMOレーダの電波放射方向における、前記生体信号の検出が行われる生体の動きを検知する振動センサを具備している請求項1記載の携帯型非接触生体信号検出装置。
- 前記振動センサで検知した振動についての信号レベルが前記表示パネルに表示される請求項2記載の携帯型非接触生体信号検出装置。
- 前記振動センサで検知した振動についての信号に基づいて前記生体信号の検出が行われる請求項2又は3記載の携帯型非接触生体信号検出装置。
- 前記振動センサで検知した振動についての信号に基づいて前記検出された生体信号の修正及び/又は補正が行われる請求項2又は3記載の携帯型非接触生体信号検出装置。
- 前記アンテナ部に前記MIMOレーダの電波放射方向に赤外線が放射される赤外線放射温度計が配備されている請求項1~請求項5のいずれか一項に記載の携帯型非接触生体信号検出装置。
- 前記アンテナ部に前記MIMOレーダの電波放射方向を撮影する可視光カメラが配備されている請求項1~請求項6のいずれか一項に記載の携帯型非接触生体信号検出装置。
- 前記アンテナ部に前記MIMOレーダの電波放射方向に赤外線が放射される赤外線放射温度計と、前記MIMOレーダの電波放射方向を撮影する可視光カメラとが配備されていて、生体信号として、呼吸、心拍、体温、脈波速度が検出される請求項1~請求項5のいずれか一項に記載の携帯型非接触生体信号検出装置。
- 生体情報として複数の脈波情報を得て、これに基づき脈波速度を検出し、その脈波情報より血圧を推定する請求項8記載の携帯型非接触生体信号検出装置。
- 請求項1乃至請求項9のいずれか一項に記載の携帯型非接触生体信号検出装置を測定者が手で持って被測定者の前記生体信号を検出する際に検出される前記生体信号に与える前記携帯型非接触生体信号検出装置の振動による影響を抑圧する補正機構を備えている請求項1乃至請求項9のいずれか一項に記載の携帯型非接触生体信号検出装置。
- 前記補正機構は、前記携帯型非接触生体信号検出装置を前記測定者が手に持って測定を行う場合の手持ちの振動を、前記被測定者の近傍に位置していて位置が固定されている固定物から反射して戻ってくる信号を使い、前記被測定者から反射して戻ってくる信号に重畳している手持ちの振動を抑圧する機構である請求項10記載の携帯型非接触生体信号検出装置。
- 移動車両の運転者席に配備されている請求項1~請求項9のいずれか一項に記載の携帯型非接触生体信号検出装置によって前記移動車両の運転者の運転時の状態を監視する運転者モニター装置。
- 多数人が通行する通行部に請求項8記載の携帯型非接触生体信号検出装置を配備し、前記通行部を通行する多数人の中から有病者あるいは不健康者を抽出する入場者スクリーニング・システム。
- 請求項1~請求項11のいずれか一項に記載の携帯型非接触生体信号検出装置を用いて、家庭内で居住者が生体情報を自分自身で測定し、記録して健康管理する家庭用ヘルスケアシステム。
- 請求項8記載の携帯型非接触生体信号検出装置を用いて、前記可視光カメラで得られる画像情報で顔認識するとともに、体温、呼吸、心拍の生体情報を検出して監視する入退出・入出門管理システム。
- 請求項1~請求項11のいずれか一項に記載の携帯型非接触生体信号検出装置を用いて、動物園や動物病院で動物の生体情報を検出する動物の健康状態モニター装置。
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EP (1) | EP4226846A1 (ja) |
JP (1) | JP7086441B1 (ja) |
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WO2024042592A1 (ja) * | 2022-08-23 | 2024-02-29 | 三菱電機株式会社 | バイタル測定装置およびバイタル測定方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000217792A (ja) | 1999-02-03 | 2000-08-08 | Matsushita Electric Ind Co Ltd | 生体情報検出装置 |
JP2004537335A (ja) | 2001-02-06 | 2004-12-16 | ヒル−ロム サービシズ,インコーポレイテッド | 非接触式検出及び監視を行う乳児保育器 |
JP2009172176A (ja) | 2008-01-25 | 2009-08-06 | Tokyo Metropolitan Univ | 有病体検出装置および有病体検出システム |
JP2015119770A (ja) * | 2013-12-20 | 2015-07-02 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 生体情報測定装置及び生体情報測定方法 |
JP2020157000A (ja) * | 2019-03-28 | 2020-10-01 | 株式会社エクォス・リサーチ | 生体信号処理装置、及び生体信号処理プログラム |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10182738B2 (en) * | 2014-01-28 | 2019-01-22 | Vayyar Imaging Ltd | Sensors for a portable device |
-
2021
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000217792A (ja) | 1999-02-03 | 2000-08-08 | Matsushita Electric Ind Co Ltd | 生体情報検出装置 |
JP2004537335A (ja) | 2001-02-06 | 2004-12-16 | ヒル−ロム サービシズ,インコーポレイテッド | 非接触式検出及び監視を行う乳児保育器 |
JP2009172176A (ja) | 2008-01-25 | 2009-08-06 | Tokyo Metropolitan Univ | 有病体検出装置および有病体検出システム |
JP2015119770A (ja) * | 2013-12-20 | 2015-07-02 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 生体情報測定装置及び生体情報測定方法 |
JP2020157000A (ja) * | 2019-03-28 | 2020-10-01 | 株式会社エクォス・リサーチ | 生体信号処理装置、及び生体信号処理プログラム |
Non-Patent Citations (1)
Title |
---|
MATSUMOTO KEIKO, TSUSHIMA KENGO, YONEZAWA SHINYA: "Research and Development of Vital Sensing Radars", JRC REVIEW, no. 70, 1 January 2019 (2019-01-01), pages 12 - 15, XP055920463 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024042592A1 (ja) * | 2022-08-23 | 2024-02-29 | 三菱電機株式会社 | バイタル測定装置およびバイタル測定方法 |
JP7459404B1 (ja) | 2022-08-23 | 2024-04-01 | 三菱電機株式会社 | バイタル測定装置およびバイタル測定方法 |
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CA3180649A1 (en) | 2022-04-14 |
EP4226846A1 (en) | 2023-08-16 |
US20230233090A1 (en) | 2023-07-27 |
JPWO2022075467A1 (ja) | 2022-04-14 |
JP7086441B1 (ja) | 2022-06-20 |
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