WO2017094347A1 - Dispositif de détection de pouls et de respiration - Google Patents

Dispositif de détection de pouls et de respiration Download PDF

Info

Publication number
WO2017094347A1
WO2017094347A1 PCT/JP2016/079551 JP2016079551W WO2017094347A1 WO 2017094347 A1 WO2017094347 A1 WO 2017094347A1 JP 2016079551 W JP2016079551 W JP 2016079551W WO 2017094347 A1 WO2017094347 A1 WO 2017094347A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
pulse
subject
seat
wave
Prior art date
Application number
PCT/JP2016/079551
Other languages
English (en)
Japanese (ja)
Inventor
▲貞▼旬 金
幸夫 大瀧
Original Assignee
アルプス電気株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by アルプス電気株式会社 filed Critical アルプス電気株式会社
Publication of WO2017094347A1 publication Critical patent/WO2017094347A1/fr

Links

Images

Classifications

    • 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
    • A61B5/0245—Detecting, measuring or recording pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals
    • 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

Definitions

  • the present invention relates to a pulse respiration detection device that detects a pulse rate and a respiration rate of a subject who is seated in a vehicle seat.
  • Patent Document 1 supplies first and second antennas, first and second mixer circuits to which first and second received signals received by these antennas are input, and these mixer circuits, respectively.
  • a signal generation circuit that generates a pulse signal, a signal that the first mixer circuit mixes and outputs the first reception signal and the pulse signal, and a second mixer circuit that outputs the second reception signal and the pulse signal
  • the previous pulse signal is supplied to the first antenna.
  • the next pulse signal is supplied at a close timing that does not overlap with the pulse width of the previous pulse signal applied to the first antenna and the first mixer circuit.
  • a wireless sensor device comprising: control means for controlling the operation timing of the signal generation circuit and the path from the signal generation circuit to the first and second antennas so as to be supplied to the second mixer circuit Disclosure.
  • this wireless sensor device it is possible to detect the azimuth and movement of the object from the reflected wave of the radiated radio wave object, and between the antennas without interfering with each other's radio waves. Therefore, the device can be miniaturized and the peak power required for the oscillator can be halved.
  • the wireless sensor device described in Patent Document 1 when trying to acquire biological information of a subject seated in a vehicle seat, the position and environment where the device is installed, and the biological information to be acquired Depending on the type, the antenna reception sensitivity may not be sufficient.
  • the reflected wave corresponding to changes in the pulse rate and respiratory rate is weaker in signal strength than the reflected wave corresponding to the movement of the entire subject's body, so it may be necessary for detection depending on conditions such as the installation position of the device. There is a case where a signal with a strong intensity cannot be obtained.
  • the radio wave radiated from the wireless sensor device is directed backward, so the movement of the person sitting on the rear seat (body Motion) may also be detected.
  • body Motion body Motion
  • the driver's pulse rate and respiratory rate may not be measured accurately.
  • an object of the present invention is to provide a pulse respiration detection device and a pulse respiration sensor that can accurately detect the pulse rate and respiration rate of a subject who is seated in a specific seat.
  • a pulse respiration detection device is a pulse respiration detection device arranged in a seat in a vehicle, and includes a substrate, an antenna arranged on one side of the substrate, and the antenna.
  • a transmitter / receiver that transmits a transmission wave to the subject seated in the seat and receives the reflected wave, a detection unit that detects a phase difference between the transmission wave and the reflected wave, and a detection unit
  • An arithmetic processing unit that calculates the pulse rate and respiration rate of the subject based on the phase difference, and has at least a surface facing the antenna at a position where the distance to the antenna is 1/4 or less of the wavelength of the transmission wave
  • a metal reflector is disposed, and the surface facing the antenna is disposed to face the subject.
  • the directivity of the antenna with respect to the outside of the metal reflector can be suppressed, and the directivity with respect to the subject can be increased, so that the detection sensitivity can be increased and the influence of the person sitting in the seat behind the subject Can be suppressed.
  • the phase of the transmitted wave radiated to the subject and the transmitted wave reflected by the metal reflector and radiated to the subject substantially matches, Detection sensitivity can be increased.
  • the metal reflector is fixed to the mounting plate via an insulating spacer, and the mounting plate is provided with a support member extending from the base to the substrate, and the support member And the substrate are preferably engaged with each other.
  • the antenna and the metal reflector can be made non-conductive, and the distance between them can be defined.
  • the transmitted wave radiated to the subject and the transmitted wave reflected by the metal reflector and radiated to the subject Can be made to substantially coincide with each other.
  • a shield member having an effect of attenuating electromagnetic waves by a predetermined value or more is disposed outside the metal reflector.
  • the outside of the metal reflector is a direction away from the metal reflector in a direction in which the metal reflector and the antenna face each other.
  • the shield member is a mesh material including a metal thread, and is disposed so as to cover the metal reflector and the antenna with the subject side opened.
  • transmission of transmitted waves and reception of reflected waves can be reliably performed on the subject side, and transmission of transmitted waves and reception of reflected waves can be more effectively suppressed for seats behind the subject. it can.
  • the pulse respiration detection device of the present invention is preferably disposed inside the backrest of the seat.
  • the space in the vehicle can be arranged efficiently without narrowing the space.
  • the antenna directivity is controlled by a configuration in which a metal reflector having at least a surface facing the antenna is disposed at a position where the distance to the antenna is 1 ⁇ 4 or less of the wavelength of the electromagnetic wave. It is possible to provide a pulse respiration detection device capable of accurately detecting a pulse rate and a respiration rate of a subject who is seated in a specific seat.
  • FIG. 1 It is a perspective view showing the state where the pulse respiration detection device concerning an embodiment is arranged in the seat of vehicles. It is a figure which shows the state by which the pulse respiration detection apparatus which concerns on embodiment is arrange
  • FIG. 1 It is a side view which shows the structure of the detection apparatus main body in the embodiment, an insulation spacer, and a metal reflecting plate. It is a figure which shows the structure of the board
  • FIG. 1 is a perspective view showing a state in which a pulse respiration detection device 100 according to the present embodiment is arranged in a vehicle seat (driver's seat 1).
  • FIG. 2 is a view showing a state in which the pulse respiration detection device 100 according to the present embodiment is arranged in a vehicle seat (driver's seat 1), where (A) is a rear view and (B) is a side view. is there.
  • the pulse respiration detection device 100 according to this embodiment includes a detection unit 60 and a shield curtain 50.
  • the form provided with the shield curtain 50 is shown, the form which consists only of the detection apparatus main body 10 without providing the shield curtain 50 is also possible.
  • the form provided in the driver's seat 1 is shown in the present embodiment, the present invention can be applied to a passenger seat and a rear seat of the vehicle.
  • the detecting unit 60 is disposed inside the backrest (back seat) 3 of the driver's seat 1 in the vehicle. From the detection unit 60, an electromagnetic wave Wa as an inspection signal wave is irradiated from the front surface 3 b side of the backrest 3 to the subject 5 (driver) sitting on the seat surface 2 of the driver seat 1. The electromagnetic wave Wa is reflected by the subject 5, and the reflected wave Wb is received by the detection unit 60. In the detection unit 60, the pulse rate and the respiratory rate of the subject 5 are calculated based on the phase difference between the electromagnetic wave Wa and the reflected wave Wb.
  • the shield curtain 50 (shield member) has, for example, a configuration in which a metal thread is knitted into a cloth to form a mesh, and has an effect of attenuating electromagnetic waves by a predetermined value or more. As shown in FIGS. 1 and 2, the shield curtain 50 is arranged on the back surface 3 a of the backrest 3 so as to cover at least a range corresponding to the back surface of the detection unit 60. In other words, the shield curtain 50 is disposed on the back surface 3a side so as to cover the detection unit 60 in a state where the front surface 3b side of the backrest 3 is opened.
  • the shield curtain 50 By arranging the shield curtain 50 in this way, the transmission of the electromagnetic wave Wa to the rear of the driver's seat 1 and the reception of the reflected wave Wb from the rear can be suppressed, and therefore, from a person sitting in the rear seat Therefore, the pulse rate and respiratory rate of the subject 5 can be accurately detected based on the reflected wave from the subject 5 sitting in the driver's seat.
  • FIG. 3 is a view showing the arrangement of the pulse respiration detection device 100 according to the present embodiment, where (A) is a top view and (B) is a front view.
  • FIG. 4 is a perspective view illustrating a configuration of the detection unit 60 of the pulse respiration detection apparatus 100 according to the present embodiment. 3A and 4 show a state before assembling the members.
  • the detection unit 60 includes a metal reflection plate 53, a spacer 51, and a fixing plate 52 that are arranged in order from the back surface 3 a to the front surface 3 b of the backrest 3.
  • the detection device main body 10 is disposed via an insulating spacer 70.
  • the spacer 51 has a frame shape corresponding to the outer edge shape of the metal reflector 53, and an opening 51a is formed at the center.
  • the thickness of the spacer 51 in the Y1-Y2 direction is set so that the detection device body 10 does not protrude from the spacer 51 in the Y1 direction when the spacer 51 is disposed on the front surface 53b of the metal reflector 53.
  • the fixed plate 52 is a plate-like member provided with an opening 52a at substantially the center, and has substantially the same outer shape as the spacer 51.
  • the fixing plate 52, the spacer 51, and the metal reflecting plate 53 are sequentially stacked in the Y1-Y2 direction, and are fixed to each other by bonding or the like.
  • the opening 52a of the fixed plate 52 and the opening 51a of the spacer 51 are provided at positions corresponding to the detection device main body 10 on the metal reflection plate 53, the transmission wave transmitted from the detection device main body 10 and The reflected wave toward the detection device main body 10 passes through the openings 51a and 52a.
  • FIG. 5 is a perspective view showing a configuration of the detection apparatus main body 10.
  • FIG. 6 is a side view illustrating the configuration of the detection device main body 10, the insulating spacer 70, and the metal reflector 53.
  • the detection device main body 10 includes a substrate 20 and a mounting plate 40. Further, as shown in FIG. 6, on the back surface 43a of the mounting plate 40, one surface side of the insulating spacer 70 is fixed with an adhesive or the like, and the other surface side of the insulating spacer 70 on the front surface 53b of the metal reflecting plate 53 is an adhesive or the like. It is fixed with.
  • the mounting plate 40 and the metal reflector 53 may be made of the same metal material, but for example, different materials such as white and aluminum may be used. Further, the insulating spacer 70 may be a non-conductive material or a dielectric, and for example, ABS may be used.
  • cut-and-raised portions 41 and 42 are provided so as to extend toward the substrate 20.
  • the tip portions 41a, 41b, 42a, 42b of the cut and raised portions 41, 42 and the substrate 20 are engaged with each other as will be described later.
  • the substrate 20 is supported by the mounting plate 40, the back surface 20a of the substrate 20 and the front surface 53b of the metal reflecting plate 53 face each other, and the distance is D. More specifically, the distance D is the distance between the antenna 28 provided on the substrate 20 and the metal reflector 53, and is set to 1 ⁇ 4 or less of the wavelength of the transmission wave transmitted by the RF transmitter 25. Yes.
  • the detection device main body 10 is arranged in the backrest 3 with the front surface 20b side of the substrate 20 facing the subject 5 side and the back surface 53a of the metal reflector 53 facing the back surface 3a side of the backrest 3.
  • FIGS. 7A and 7B are diagrams showing the configuration of the substrate 20 in the detection apparatus main body 10, wherein FIG. 7A is a front view and FIG. 7B is a side view.
  • the substrate 20 is formed in a rectangular shape in plan view, and on the front surface 20b, a ground pattern 22 made of copper is formed in a region excluding the outer peripheral edge.
  • the overall shape of the substrate 20 is not limited to the shape shown in FIGS. 7A and 7B, and may be other shapes that match the shape of the peripheral device for incorporation into the actual device.
  • the lower long side of the substrate 20 is adjacent to the first side L1
  • the upper long side opposite to the first side L1 is adjacent to the second side L2, and the first side L1.
  • These two short sides are referred to as third and fourth side portions L3 and L4.
  • a slot 23 is formed in parallel along the first side portion L1 so as to leave a part of the lower outer edge portion of the ground pattern 22. Yes.
  • the slot 23 is formed in a rectangular shape in plan view extending in a strip shape with a predetermined width, and is formed in the same length in the left-right direction (Z1-Z2 direction) from the center of the first side portion L1 of the substrate 20.
  • a power supply line 24 serving as a power supply unit is provided at a position corresponding to the slot 23 on the back surface 20 a of the substrate 20.
  • the power supply line 24 is branched into two line power supply units 24a and 24b, and the two line power supply units 24a and 24b are symmetrically located with respect to the center in the longitudinal direction (Z1-Z2 direction) of the slot 23. It is bridged in a direction (X1-X2 direction) orthogonal to the longitudinal direction of the slot 23.
  • the power supply line 24 is connected to a circuit unit 30 provided on the back surface 20 a of the substrate 20.
  • the slot 23, the power supply line 24, and the line power supply units 24 a and 24 b constitute an antenna 28, and RF transmission as a transceiver that irradiates the subject 5 with a high-frequency (RF) transmission wave (electromagnetic wave) via the antenna 28.
  • the unit 25 and the RF receiver 26 as a transmitter / receiver that receives a reflected wave from the subject 5 are connected.
  • the RF transmitter 25 and the RF receiver 26 are provided in the circuit unit 30.
  • the lateral outer edge portions of the third and fourth side portions L3 and L4 of the substrate 20 have the copper foil removed along the third and fourth side portions L3 and L4, and the copper foil removal regions A1 and A2 are respectively formed. Is formed.
  • Through hole portions 26a and 26b into which the tip portions 41a and 41b of the cut and raised portion 41 are inserted are formed in the copper foil removal region A1, and the tip portions 42a and 42b of the cut and raised portion 42 are formed in the copper foil removal region A2.
  • Through-hole portions 27a and 27b into which are inserted are formed.
  • the substrate 20 and the mounting plate 40 are integrated by engaging and fixing the tip portions 41a, 41b, 42a, 42b to the through-hole portions 26a, 26b, 27a, 27b, respectively.
  • FIG. 8 is a block diagram showing a circuit configuration of the detection apparatus main body 10.
  • the circuit unit 30 includes an RF transmission unit 25, an RF reception unit 26, a detection circuit 31, a bandpass filter 32, a lowpass filter 33, and a control unit 34.
  • a transmission wave Wa as a test signal wave including a transmission signal (carrier wave signal) of a predetermined frequency is generated according to the instruction signal from the control unit 34 and transmitted from the antenna 28 toward the subject 5.
  • the transmission signal included in the transmission wave Wa is a high-frequency radio wave in the RF band, and preferably has a high frequency of, for example, 2 GHz or more. Further, the frequency, phase, amplitude and other information of the transmission wave Wa are given to the detection circuit 31.
  • the transmitted wave Wa is reflected by the subject 5, and the reflected wave Wb is received by the antenna 28 and supplied to the RF receiver 26.
  • the reflected wave Wb is a signal wave reflected and modulated by the transmission wave Wa applied to the subject 5 in accordance with changes in the pulse rate and respiratory rate generated in the subject 5.
  • the reception signal S1 obtained by receiving the reflected wave Wb by the RF receiving unit 26 is given to a detection circuit 31 as a detection unit.
  • a detection signal S2 as a signal indicating a phase difference between the transmission wave Wa and the reflected wave Wb is obtained from the information of the transmission wave Wa and the reception signal S1.
  • the band-pass filter 32 extracts a signal in a frequency band of 0.7 to 3 Hz, for example, and a measurement signal S4 mainly corresponding to the pulse rate is extracted from the detection signal S2 and given to the control unit 7.
  • the low-pass filter 33 extracts a signal having a frequency band of less than 0.7 Hz or less than 0.7 Hz, for example, and a measurement signal S5 mainly corresponding to the respiratory rate is extracted from the detection signal S2 and given to the control unit 34. It is done.
  • the control unit 34 includes a CPU, a memory, an A / D conversion unit, and the like as an arithmetic processing unit.
  • the measurement signals S4 and S5 are converted into digital values by the A / D converter and supplied to the CPU.
  • the CPU performs arithmetic processing based on software installed in advance, and calculates the pulse rate and respiratory rate of the subject 5 based on the phase difference detected by the detection circuit 31.
  • the RF transmitter 25, the RF receiver 26, and the detection circuit 31 provided on the substrate 20 constitute a pulse respiration sensor.
  • the detection device main body 10 is arranged with the board 20 side facing the subject 5 side in the backrest 3 of the driver's seat 1 in the vehicle, as in the above-described embodiment.
  • the RF transmission unit transmits a transmission wave of 2.45 GHz and a wavelength of 120 mm.
  • a copper plate having a size of 200 mm ⁇ 200 mm ⁇ thickness 1 mm is used as the metal reflector 53.
  • the substrate 20 and the mounting plate 40 are fixed at a distance of 11 mm, the thickness of the insulating spacer 70 is 15 mm, and the distance D between the antenna 28 and the metal reflector 53 is 26 mm. That is, this distance D is approximately 1 ⁇ 4 of the wavelength of the transmission wave.
  • the detection device main body of the comparative example has a configuration in which the metal reflector 53 is removed from the above embodiment.
  • FIG. 9 is a table showing the received power of the electromagnetic wave radiated from the detection unit 60 received on the back surface 3a side of the backrest 3 and the power received without the shield curtain (shield member) 50.
  • the transmission power of the RF transmission unit 25 was set to 0 dBm, and measurement was performed by changing the distance (back surface reception distance) of the detection unit 60 grounded from the detection device body 10 to the back surface 3a side.
  • the “rear surface receiving distance” is a distance (unit: mm) from the detection apparatus body 10 to the reference receiving antenna, and the received power (unit: dBm) is measured by a spectrum analyzer which is one of power measuring apparatuses.
  • “without metal reflector” is a comparative example, and “with metal reflector (200 ⁇ 200 mm)” is an example.
  • the power radiated to the back surface 3a side is smaller by 12 to 20 dB than in the comparative example.
  • an occupant referred to as a rear occupant
  • the rear occupant part near the detection device main body 10 becomes a knee, and it is necessary to eliminate the influence of this movement (body movement).
  • body movement body movement
  • the shield curtain (shield member) 50 is not provided, the back surface radiated power needs to be further attenuated by 8 dB or more when the back surface receiving distance is 300 mm.
  • FIG. 10 shows the received power when the electromagnetic wave radiated from the detection unit 60 is received on the back surface 3a side of the backrest 3 when the size of the metal reflector 53 is changed.
  • FIG. (Member) It is a graph which shows the electric power received in the state without 50.
  • “without metal reflector” is a configuration obtained by removing the metal reflector 53 from the configuration of the above-described embodiment, and corresponds to the comparative example shown in FIG. “100 ⁇ 100 mm”, “150 ⁇ 150 mm”, and “200 ⁇ 200 mm” indicate the planar shape of the metal reflector 53 to be used, and the thickness is 1 mm in common.
  • “200 ⁇ 200 mm” corresponds to the embodiment shown in FIG.
  • the rear receiving distance, the power measuring device, and the measurement target amount are the same as those in the example and comparative example shown in FIG.
  • the transmitted wave to be transmitted can be greatly attenuated.
  • FIG. 11 (A) and 11 (B) are diagrams showing the directivity characteristics of the antenna 28 in the detection apparatus body 10 of the embodiment
  • FIG. 11 (C) is a diagram showing the impedance characteristics of the antenna 28.
  • 11A to 11C includes the insulating spacer 70 and the metal reflector 53.
  • 12A and 12B are diagrams illustrating the directivity characteristics of the antenna 28 in the detection device body 10 of the comparative example
  • FIG. 12C is a diagram illustrating the impedance characteristics of the antenna 28.
  • 11A and 12A are directivity characteristics in a plane orthogonal to the X1-X2 direction
  • FIGS. 11B and 12B are directivity characteristics in a plane orthogonal to the Z1-Z2 direction.
  • C and FIG.
  • FIGS. 11A and 12A show the resonance characteristics.
  • the origin is the position of the origin of the X1-Y1-Z1 orthogonal coordinate system shown in FIG.
  • the center of In FIGS. 11A and 12A the solid line (GainPhi) indicates the directional characteristic of the main polarization, and the broken line (GainTheta) indicates the directional characteristic of the cross polarization.
  • a solid line (GainPhi) indicates the cross-polarization directivity and a broken line (GainTheta) indicates the main polarization directivity.
  • the resonance point that is the resonance frequency of the antenna is about 2.7 GHz.
  • the directivity characteristic on the back lobe B (rear seat) side in the Y1-Y2 direction perpendicular to the substrate 20 is It can be seen that the directivity characteristic is strong only on the front lobe F (driver's seat) side, and the front directivity characteristic is obtained. It can also be seen that the directivity characteristics are suppressed on the side lobe S side (the plane direction perpendicular to the Y1-Y2 direction) as compared with the comparative example. As shown in FIG. 11C, the resonance point P1, which is the resonance frequency of the antenna of the RF transmitter 25, is about 2.45 GHz.
  • FIG. 13 is a graph showing measured values of antenna gain (Peak Gain, unit dBi) with respect to the distance between the mounting plate 40 and the metal reflector 53.
  • FIG. 14 is a graph showing measured values of FBR (front-rear ratio, unit dB) with respect to the distance between the mounting plate 40 and the metal reflecting plate 53.
  • FBR front-rear ratio, unit dB
  • the distance between the mounting plate 40 and the metal reflecting plate 53 corresponds to the thickness of the insulating spacer 70.
  • FBR is a value obtained by dividing the antenna gain on the front (driver's seat) side by the antenna gain on the rear (rear seat) side.
  • the antenna gain increases with an increase in the distance between the mounting plate 40 and the metal reflector 53, and is a substantially constant value in the range where the distance is 10 mm or more.
  • the FBR also increases with an increase in the distance between the mounting plate 40 and the metal reflecting plate 53, and is a substantially constant value in the range where the distance is 10 mm or more.
  • the wavelength of the transmitted transmission wave is 120 mm as described above, when the interval at which the FBR is maximum is 15 mm, and the interval of 11 mm between the substrate 20 and the mounting plate 40 is added, the antenna 28 and the metal reflector 53 The distance D is 26 mm.
  • the antenna gain on the front lobe F (driver's seat) side is maximized, and FBR is also maximized.
  • the transmission wave is radiated to the maximum, and the radiation of the transmission wave is minimized on the back surface 3a.
  • the pulse respiration detection apparatus 100 including the shield curtain (shield member) 50 has a back surface receiving distance.
  • the received power at 300 mm was -50 dBm.
  • the shield curtain (shield member) 50 of the example has a substantially trapezoidal shape, and a conductive cloth having an upper side of 400 mm, a lower side of 500 mm, and a height of 500 mm was used.
  • the metal reflector having at least a surface facing the antenna is disposed at a position where the distance to the antenna is 1 ⁇ 4 or less of the wavelength of the transmission wave, the directivity characteristics of the antenna can be controlled.
  • the detection sensitivity can be increased and the influence of the person sitting on the seat behind the subject can be suppressed.
  • the detection sensitivity can be further increased, and the influence of the person sitting on the seat behind the subject can be suppressed.
  • the pulse respiration detection device is useful when it is desired to accurately detect the pulse rate and respiration rate of a subject seated in a specific seat.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Signal Processing (AREA)
  • Pulmonology (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

L'invention concerne un dispositif de détection du pouls et de la respiration qui permet de détecter avec précision le rythme cardiaque et la fréquence respiratoire d'un sujet. Un dispositif de détection du pouls et de la respiration (10) disposé sur un siège dans un véhicule comprend : une plaque de base (20) ; une antenne (28) qui est disposée sur une face de la plaque de base (20) ; un émetteur-récepteur (25, 26) qui, par l'intermédiaire de l'antenne (28), transmet une onde de transmission à un sujet assis sur le siège et reçoit une onde réfléchie de l'onde de transmission ; une unité de détection (31) pour détecter la différence de phase entre l'onde de transmission et l'onde réfléchie ; et un dispositif de traitement de calcul (34) qui calcule le rythme cardiaque et la fréquence respiratoire du sujet sur la base de la différence de phase détectée par l'unité de détection (31). Une plaque réfléchissante métallique (53) comprenant au moins une face en regard de l'antenne (28) est disposée dans une position où la distance par rapport à l'antenne (28) n'est pas supérieure à 1/4 de la longueur d'onde de l'onde de transmission, et la face en regard de l'antenne (28) fait face au sujet.
PCT/JP2016/079551 2015-12-02 2016-10-04 Dispositif de détection de pouls et de respiration WO2017094347A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015235572 2015-12-02
JP2015-235572 2015-12-02

Publications (1)

Publication Number Publication Date
WO2017094347A1 true WO2017094347A1 (fr) 2017-06-08

Family

ID=58796907

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/079551 WO2017094347A1 (fr) 2015-12-02 2016-10-04 Dispositif de détection de pouls et de respiration

Country Status (1)

Country Link
WO (1) WO2017094347A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110769747A (zh) * 2017-07-21 2020-02-07 欧姆龙株式会社 生物体测定用天线装置、脉搏波测定装置、血压测定装置、设备、生物体信息测定方法、脉搏波测定方法、以及血压测定方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002248081A (ja) * 2001-02-26 2002-09-03 Olympus Optical Co Ltd 医療器
JP2009055997A (ja) * 2007-08-30 2009-03-19 Honda Motor Co Ltd 生体振動周波数検出装置及び車両
JP2010120493A (ja) * 2008-11-19 2010-06-03 Panasonic Corp 生体信号検知装置
WO2012115220A1 (fr) * 2011-02-25 2012-08-30 株式会社産学連携機構九州 Système de détection d'informations d'organismes vivants
JP2013538602A (ja) * 2010-08-12 2013-10-17 コーニンクレッカ フィリップス エヌ ヴェ バイタルサインを測定するための装置、システム及び方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002248081A (ja) * 2001-02-26 2002-09-03 Olympus Optical Co Ltd 医療器
JP2009055997A (ja) * 2007-08-30 2009-03-19 Honda Motor Co Ltd 生体振動周波数検出装置及び車両
JP2010120493A (ja) * 2008-11-19 2010-06-03 Panasonic Corp 生体信号検知装置
JP2013538602A (ja) * 2010-08-12 2013-10-17 コーニンクレッカ フィリップス エヌ ヴェ バイタルサインを測定するための装置、システム及び方法
WO2012115220A1 (fr) * 2011-02-25 2012-08-30 株式会社産学連携機構九州 Système de détection d'informations d'organismes vivants

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110769747A (zh) * 2017-07-21 2020-02-07 欧姆龙株式会社 生物体测定用天线装置、脉搏波测定装置、血压测定装置、设备、生物体信息测定方法、脉搏波测定方法、以及血压测定方法

Similar Documents

Publication Publication Date Title
US10684355B2 (en) Radar module, and vehicle radar device comprising same
EP2857858B1 (fr) Radar actif numérique
US10775477B2 (en) Antenna device and vehicle radar device comprising same
EP3540851B1 (fr) Dispositif d'antenne
JP2019088003A5 (ja) 携帯型通信装置
US10777878B2 (en) Radome and vehicular radar apparatus comprising same
WO2011118462A1 (fr) Antenne et antenne intégrée
JP4080497B2 (ja) アンテナ装置
EP3128345B1 (fr) Système de détection de position
WO2017094347A1 (fr) Dispositif de détection de pouls et de respiration
WO2020090681A1 (fr) Dispositif d'antenne, corps mobile et procédé de détermination de cible
CN106249206B (zh) 用于接收电磁波的天线设备和用于运行用于接收电磁波的天线设备的方法
US9831545B2 (en) Antenna device
EP3340381B1 (fr) Atténuation d'interférences d'antenne adjacentes
JP2007124235A (ja) 放射ノイズの回り込み抑制方法
CN215732189U (zh) 显示设备及其天线组件
JP2006094547A (ja) 車載用信号処理装置及び車載用レーダ装置
JP2013135345A (ja) マイクロストリップアンテナ、アレーアンテナおよびレーダ装置
EP2827447A1 (fr) Dispositif d'antenne
JP2009105613A (ja) 車載アンテナ装置及び車載アンテナシステム
JP2014195232A (ja) アンテナ装置
JP2006014154A (ja) アンテナ
JP2004129138A (ja) アンテナの実装方法、アンテナの実装構造、およびモニタ装置
JP2015201782A (ja) 送信装置
JP6820071B1 (ja) 無線通信装置及び無線通信方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16870287

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16870287

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP