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公开(公告)号：US20200333128A1
公开(公告)日：2020-10-22
申请号：US16764526
申请日：2018-10-30
Inventor： Takeshi AKAGAWA , Masahiro KUBO , Katsumi ABE , Ersin ALTINTAS , Yuji OHNO , Tetsuri ARIYAMA , Ichiro ISHIMARU
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.
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公开(公告)号：US20210113097A1
公开(公告)日：2021-04-22
申请号：US17040298
申请日：2019-02-18
Applicant: NEC Corporation
Inventor： Yuji OHNO , Masahiro KUBO , Katsumi ABE , Ersin ALTINTAS , Takeshi AKAGAWA , Tetsuri ARIYAMA , Hiroaki SHIMOKAWA , Yasuhiko SAKATA , Ryuji TUBURAYA
IPC: A61B5/0205 , A61B5/00 , A61B5/02
Abstract: This heart failure degree-of-exacerbation determination system comprises a storage device (11) and an arithmetic device (12). The arithmetic device (12) includes a heart failure degree-of-exacerbation determination means (121) for determining the degree-of-exacerbation of heart failure, on the basis of stored information which is stored in the storage device (11) and the correlation among a plurality of evaluation values which are associated with a acral portion of a patient.
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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.
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4.发明申请公开(公告)号：US20170307512A1
公开(公告)日：2017-10-26
申请号：US15521361
申请日：2015-10-23
Applicant: NEC Corporation
Inventor： Takeshi AKAGAWA , Masahiro KUBO , Katsumi ABE , Kimiyasu TAKOH , Ersin ALTINTAS , Yuji OHNO , Tetsuri ARIYAMA
IPC: G01N21/01 , A61B10/00 , G01N33/493 , A61B5/20
CPC classification number: G01N21/01 , A61B5/0075 , A61B5/207 , A61B5/6891 , A61B10/0038 , A61B10/007 , G01N21/31 , G01N21/3563 , G01N21/3577 , G01N21/78 , G01N33/4833 , G01N33/493
Abstract: Provided is an excrement analysis device capable of analyzing urine and feces simultaneously without increasing a burden of maintenance.The excrement analysis device 10 of the present invention includes: a light source 20 that emits an inspection light toward an inspection area in a toilet bowl; spectroscopic information acquisition means 30 that receives an inspection light emitted toward the inspection area and acquires spectroscopic information from the received inspection light; and analysis means 40 that extracts a first space containing the largest amount of urine components and a second space containing the largest amount of fecal components from the acquired spectroscopic information, and outputs a result of analysis of urine and feces on the basis of spectroscopic information regarding the first space and the second space.
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5.发明申请公开(公告)号：US20190383641A1
公开(公告)日：2019-12-19
申请号：US16479256
申请日：2018-02-05
Applicant: NEC Corporation
Inventor： Tetsuri ARIYAMA , Tan AZUMA , Soichiro ARAKI , Kenichiro FUJIYAMA , Mineto SATOH
IPC: G01D1/16
Abstract: Provided are an abnormality determination device and the like that are able to accurately determine abnormalities regarding an inspection subject. The abnormality determination device is configured to calculate a scatter degree of differences between prediction information on an observation target and observation information on the observation target, the prediction information being an information generated in accordance with a scenario that represents an aspect of state change of the observation target, the observation information generated by an inspection target; and determine whether or not the inspection target is abnormal based on the calculated degree.
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Patent Agency Ranking
公开(公告)号：US20180289273A1
公开(公告)日：2018-10-11
申请号：US15767167
申请日：2016-09-20
Applicant: NEC Corporation
Inventor： Tetsuri ARIYAMA , Masahiro KUBO , Katsumi ABE , Ersin ALTINTAS , Yuji OHNO , Takeshi AKAGAWA
IPC: A61B5/0408 , A61B5/0428 , A61B5/0478 , A61B5/0492
Abstract: An object of the present invention is to provide an electrocardiogram measurement apparatus capable of significantly reducing the number of electrodes and measuring even a faint signal. The present invention provides an electrocardiogram measurement apparatus including a first electrode and a second electrode to be brought into contact with a body surface near an artery, an electrocardiogram measurement means for measuring a signal obtained from the first electrode and the second electrode, an artery position measurement means for identifying a position at which a measured value of a measured signal is largest as a position of an artery; and a notification means for notifying a user of information indicating the position of an artery.
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7.发明申请公开(公告)号：US20180239979A1
公开(公告)日：2018-08-23
申请号：US15753604
申请日：2016-06-08
Applicant: NEC Corporation
Inventor： Yuji OHNO , Masahiro KUBO , Katsumi ABE , Ersin ALTINTAS , Takeshi AKAGAWA , Tetsuri ARIYAMA
CPC classification number: G06K9/00906 , A61B5/0075 , A61B5/1171 , A61B5/1176 , G01J3/2823 , G06F21/32 , G06K9/00107 , G06K9/00255 , G06K9/00275 , G06K9/2018 , G06K9/2027 , G06K9/4661 , G06K9/741
Abstract: A living body determination device includes: a light irradiation device that irradiates a measuring object with a first light including a plurality of spectrums; a spectroscopic device that disperses a light at intensity depending on a wavelength and outputs the light; an image acquisition device that receives the light output by the spectroscopic device and outputs image information representing brightness depending on the intensity of the light; and a control unit. The control unit, for each spectrum of the first light, acquires image information with respect to the measuring object from the image acquisition device, based on the image information, selects one or more areas, for each of the areas, acquires spectroscopic information, and based on whether the spectroscopic information satisfies a predetermined condition, determines whether the measuring object is a living body.
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公开(公告)号：US20170337414A1
公开(公告)日：2017-11-23
申请号：US15523057
申请日：2015-10-20
Applicant: NEC Corporation
Inventor： Yuji OHNO , Masahiro KUBO , Katsumi ABE , Takeshi AKAGAWA , Kimiyasu TAKOH , Ersin ALTINTAS , Tetsuri ARIYAMA
CPC classification number: G06K9/0012 , A61B5/02416 , A61B5/1172 , G01J3/10 , G01J3/2823 , G06F17/30256 , G06F21/32 , G06K9/00013 , G06K9/0002 , G06K9/00087
Abstract: A biometric authentication apparatus 10 according to the present invention can be installed in facilities such as airports in order to improve the reliability of biometric authentication to ensure a high level of security. The biometric authentication apparatus 10 includes a illumination unit 11 which irradiates a human finger with light; an image acquisition unit 13 which acquires a plurality of images indicating changes in luminance by receiving light scattered at the human finger that is a part of the light with which the human finger is irradiated by the illumination unit 11 and converting the received light to luminance information according to the intensity of the light; an image-to-biometric-information conversion unit 14 which converts the plurality of images acquired by the image acquisition unit 13 to biometric information indicating a pulse wave in the human finger; and a biometric authentication unit 16 which performs biometric authentication when a pulse wave signal which is the biometric information resulting from the conversion by the image-to-biometric-information conversion unit 14 is greater than a predetermined threshold.
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公开(公告)号：US20190209031A1
公开(公告)日：2019-07-11
申请号：US16328806
申请日：2017-09-01
Applicant: NEC Corporation
Inventor： Tetsuri ARIYAMA , Katsumi ABE , Masahiro KUBO , Yuji OHNO , Takeshi AKAGAWA
IPC: A61B5/021 , A61B5/0456 , A61B5/00
CPC classification number: A61B5/02125 , A61B5/0082 , A61B5/02 , A61B5/022 , A61B5/0452 , A61B5/0456 , A61B5/681 , A61B5/7282
Abstract: This blood pressure measuring device includes: first and second electrodes which contact the body surface near an artery; an electrocardiogram measuring means which measures a potential difference between the first electrode and the second electrode and obtains a first time at which at least a prescribed portion is generated in an electrocardiogram; a pulse wave detecting means which detects pulse wave information from the body surface near the artery; a pulse wave measuring means which obtains, from the pulse wave information, a second time at which a prescribed portion is generated in the pulse wave; and a blood pressure estimating means which calculates a pulse wave propagation time from the first time and the second time, and calculates an estimated blood pressure on the basis of a relationship between the pulse wave propagation time, a predefined pulse wave propagation time, and a blood pressure value.
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公开(公告)号：US20190204065A1
公开(公告)日：2019-07-04
申请号：US16322592
申请日：2017-08-07
Inventor： Takeshi AKAGAWA , Masahiro KUBO , Katsumi ABE , Kimiyasu TAKOH , Ersin ALTINTAS , Yuji OHNO , Tetsuri ARIYAMA , Ichiro ISHIMARU
CPC classification number: G01B9/02067 , G01B9/02041 , G01B9/02061 , G01B9/02068 , G01J3/45
Abstract: A light measurement device that maintains high measurement precision. The light measurement device includes: light source that irradiates light upon measurement object; branch part that splits transmitted light or reflected light from measurement object; phase-changing unit that changes the phase of one beam of the branched light beams; phase-fixing unit that maintains the phase of the other beam of the branched light beams; adjustment mechanism, which is provided in phase-changing unit or phase-fixing unit, for adjusting the propagation direction of light; multiplexer that causes the light emitted by each of phase-changing unit and phase-fixing unit to interfere with each other; detection unit that detects light that is interfered with by multiplexer; and control unit that controls the adjustment mechanism on the basis of the luminance values of an interference image that is detected by detection unit and adjusts the propagation direction of light in phase-changing unit or phase-fixing unit.
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