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1.发明申请公开(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
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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2.发明申请公开(公告)号：US20200250449A1
公开(公告)日：2020-08-06
申请号：US16857680
申请日：2020-04-24
Applicant: NEC Corporation
Inventor： Yuji OHNO , Masahiro KUBO , Katsumi ABE , Ersin ALTINTAS , Takeshi AKAGAWA , Tetsuri ARIYAMA
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：US20170303802A1
公开(公告)日：2017-10-26
申请号：US15517299
申请日：2014-10-10
Applicant: NEC Corporation
Inventor： Ersin ALTINTAS , Masahiro KUBO , Katsumi ABE , Kimiyasu TAKOH , Yuji OHNO , Takeshi AKAGAWA , Tetsuri ARIYAMA
CPC classification number: A61B5/02233 , A61B5/021 , A61B5/02108 , A61B5/022
Abstract: A blood pressure cuff less dependent on individual's arm shape with downsized dimensions is introduced with medical approval accuracy. The present invention comprises an occlusion component configured to occlude the artery, and a flexible plastic core to limit the degree of freedom of said occlusion component towards body portion, and a spacer occupying the volume between said core and said occlusion component to improve the compliance towards body portion.
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公开(公告)号：US20210304111A1
公开(公告)日：2021-09-30
申请号：US17205696
申请日：2021-03-18
Applicant: NEC Corporation
Inventor： Katsumi ABE , Yoshihisa MANZEN , Yutaka KAWASAKI , Tadashi OKANO , Tomoki YAMABE
Abstract: An information processing apparatus includes an acquisition unit that acquires work information associated with a content of work and a point in time at which the work was performed, and emotion information that records an emotion of a person who performed the work for each point in time, and a generation unit that generates aptitude information indicating an aptitude for the work for each person by associating the work information and the emotion information using a point in time.
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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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Patent Agency Ranking
公开(公告)号：US20170251934A1
公开(公告)日：2017-09-07
申请号：US15507177
申请日：2015-08-19
Applicant: NEC Corporation
Inventor： Yuji OHNO , Masahiro KUBO , Katsumi ABE , Kimiyasu TAKOH , Ersin ALTINTAS
CPC classification number: A61B5/02108 , A61B5/022 , A61B5/024 , A61B5/0245 , A61B5/6824 , A61B5/725 , A61B5/7275 , A61B2562/0219 , G16H50/20 , G16H50/30
Abstract: A pulse wave measurement device includes an acceleration sensor that detects a vibration and a vibration transmitter that transmits a vibration caused by pulsation in a measured site, wherein a length of the vibration transmitter in a specific direction is longer than a length of the acceleration sensor in a longitudinal direction.
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公开(公告)号：US20170215750A1
公开(公告)日：2017-08-03
申请号：US15500484
申请日：2014-08-07
Applicant: NEC Corporation
Inventor： Ersin ALTINTAS , Masahiro KUBO , Katsumi ABE , Kimiyasu TAKOH , Yuji OHNO , Osamu TOCHIKUBO
IPC: A61B5/022 , A61B5/021 , A61B5/02 , A61B5/0235
CPC classification number: A61B5/02241 , A61B5/02 , A61B5/021 , A61B5/022 , A61B5/02225 , A61B5/02233 , A61B5/0235
Abstract: A low volume or narrower blood pressure cuff compared to commercial counterparts with similar medical approval accuracy is introduced. The present invention comprises an occlusion component configured to occlude the artery, and a pulse wave detection component to detect blood pressure oscillations. Blood pressure readings within medical approval accuracy are achieved by controlling and adjusting fluid amount in or fluid flowing into said pulse wave detection component.
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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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10.发明申请公开(公告)号：US20180125377A1
公开(公告)日：2018-05-10
申请号：US15573532
申请日：2016-05-20
Applicant: NEC Corporation
Inventor： Kimiyasu TAKOH , Katsumi ABE , Masahiro KUBO , Yuji OHNO , Ersin ALTINTAS , Takeshi AKAGAWA , Tetsuri ARIYAMA
IPC: A61B5/0225 , A61B5/022
CPC classification number: A61B5/0225 , A61B5/02 , A61B5/02108 , A61B5/022 , A61B5/02208
Abstract: A blood pressure measurement device estimates blood pressure based on first internal pressure of cuff during a first period and Korotkoff sound during the first period or based on the first internal pressure during the first period and first pulse wave during the first period; calculates timings when the first pulse wave satisfies a predetermined condition, a third period between timings, and pressure of first internal pressure during the third period and generates first information where the third period and the pressure are associated; generates blood pressure information where the calculated first information and the estimated blood pressure are associated; and specifies the first information matching or resembling second information generated based on second internal pressure of the cuff during second period and second pulse wave during the second period, and estimates the blood pressure associated with the specified first information as blood pressure during the second period.
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