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    OPTICAL MEASURING APPARATUS AND OPTICAL MEASURING METHOD
    1.
    发明申请
    OPTICAL MEASURING APPARATUS AND OPTICAL MEASURING METHOD 审中-公开

    公开(公告)号：US20200333128A1

    公开(公告)日：2020-10-22

    申请号：US16764526

    申请日：2018-10-30

    Applicant: NEC CORPORATION ,  NATIONAL UNIVERSITY CORPORATION KAGAWA UNIVERSITY

    Inventor： Takeshi AKAGAWA ,  Masahiro KUBO ,  Katsumi ABE ,  Ersin ALTINTAS ,  Yuji OHNO ,  Tetsuri ARIYAMA ,  Ichiro ISHIMARU

    IPC: G01B9/02 ,  G01J3/45

    Abstract: Optical measuring apparatus includes: a light source irradiating an object to be measured; a splitter splitting transmitted light or reflected light from the object to be measured; a phase changer changing a phase of a first light which is one of the lights split; a phase fixer maintaining a phase of a second light which is the other light split; a multiplexer multiplexing lights output from the phase changer and the phase fixer; a detector detecting the light (interference image) output from the multiplexer; and a controller that extracts a reference point from the interference image, when a displacement of the reference point is detected, corrects a luminance value for each pixel of the interference images in accordance with a displacement of the object to be measured indicated by a displacement of the reference point, constructs an interferogram based on the luminance value for each pixel of the interference images after the correction.

    LIVING BODY DETERMINATION DEVICE, LIVING BODY DETERMINATION METHOD, AND PROGRAM
    5.
    发明申请
    LIVING BODY DETERMINATION DEVICE, LIVING BODY DETERMINATION METHOD, AND PROGRAM 审中-公开

    公开(公告)号：US20180239944A1

    公开(公告)日：2018-08-23

    申请号：US15759880

    申请日：2016-09-09

    Applicant: NEC Corporation

    Inventor： Yuji OHNO ,  Masahiro KUBO ,  Katsumi ABE ,  Kimiyasu TAKOH ,  Ersin ALTINTAS ,  Takeshi AKAGAWA ,  Tetsuri ARIYAMA ,  Ichiro ISHIMARU

    IPC: G06K9/00 ,  A61B5/1172 ,  A61B5/00 ,  G01J3/447 ,  G01J3/28

    CPC classification number: G06K9/0012 ,  A61B5/0075 ,  A61B5/1172 ,  A61B5/489 ,  G01J3/2823 ,  G01J3/447 ,  G06K9/00033 ,  G06K9/00087 ,  G06K9/2018

    Abstract: A living body is accurately determined while minimizing increases in the size of a device and increases in the number of components. A living body determination device includes a spectroscopic device 104 that disperses light entering from a pedestal side and outputs the result; a light emission device 101 that emits first light toward the pedestal from a position facing the spectroscopic device 104 with the pedestal therebetween; a light emission device 102 that emits second light toward the pedestal from the spectroscopic device 104 side; an image acquisition device 105 that outputs image information indicating a brightness corresponding to the intensity of the light output by the spectroscopic device 104; and a calculation device 106 that acquires first image information regarding each of the spectra of the first light from the image acquisition device 105, acquires first spectroscopic information on the basis of each of the pieces of first image information, acquires second image information regarding each of the spectra of the second light from the image acquisition device 105, acquires second spectroscopic information on the basis of each of the pieces of second image information, and determines whether or not a measurement target 10a is a living body, based on the first and second spectroscopic information.

    SPHYGMOMANOMETER, BLOOD PRESSURE MEASUREMENT METHOD, AND BLOOD PRESSURE MEASUREMENT PROGRAM
    7.
    发明申请
    SPHYGMOMANOMETER, BLOOD PRESSURE MEASUREMENT METHOD, AND BLOOD PRESSURE MEASUREMENT PROGRAM 审中-公开

    公开(公告)号：US20200288984A1

    公开(公告)日：2020-09-17

    申请号：US16086078

    申请日：2017-03-17

    Applicant: NEC Corporation

    Inventor： Tetsuri ARIYAMA ,  Masahiro KUBO ,  Katsumi ABE ,  Ersin ALTINTAS ,  Yuji OHNO ,  Takeshi AKAGAWA

    IPC: A61B5/022 ,  A61B5/021 ,  A61B5/00

    Abstract: The purpose of the present invention is to provide a sphygmomanometer that has a high level of measurement accuracy and places a low burden upon a subject whose systolic pressure is being measured. To this end, the sphygmomanometer according to the present invention is characterized by comprising: a cuff pressure and pulse wave detecting unit that detects cuff pressure and pulse waves; and a blood pressure calculating unit that divides pulse waves detected by the cuff pressure and pulse wave detecting unit into a plurality of sections within a specific period, and calculates an estimated value for systolic pressure on the basis of fluctuations in the symmetry of the pulse wave waveform in the plurality of sections, said fluctuations occurring along with variations in the cuff pressure detected by the cuff pressure and pulse wave detecting unit.

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