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公开(公告)号：US09753492B2
公开(公告)日：2017-09-05
申请号：US14806850
申请日：2015-07-23
Inventor： Tsuyoshi Inoue , Jun Ozawa , Hiroyuki Motoyama
CPC classification number: G06F1/163 , A61B5/04002 , A61B5/0488 , A61B5/681 , G06F3/017 , G06F3/0412
Abstract: A wrist-worn input device measuring a biopotential for use in gesture inputting, includes a band that forms at least part of a tubular structure having a first opening and a second opening at the two ends thereof in an axial direction thereof, an electrode open to an internal surface of the band, a position determination unit disposed close to the first opening and having a shape to be engaged with at least part of a periphery of the styloid process of ulna of a user, a biopotential measurement unit that measures the biopotential of the user using the electrode, and a measured potential transmitter that outputs the biopotential of the user.
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公开(公告)号：US11020307B2
公开(公告)日：2021-06-01
申请号：US15695003
申请日：2017-09-05
Inventor： Kenta Murakami , Stephen John , Mayumi Komatsu , Jun Ozawa
Abstract: An assist system includes a fist belt worn on an upper body part of a user, a second belt worn on a knee of the user, a wire, a motor coupled with a first end of the wire and disposed on the first or second belt, a drive controller that controls drive of the motor, a gyro sensor that is disposed on the second belt and that measures an angular velocity about a direction perpendicular to the direction of the wire, and a controller. When the angular velocity is greater than or equal to a first threshold with a first tension being applied to the wire using the motor, the controller outputs first information. A second end of the wire is coupled with the second belt when the motor is disposed on the first belt but coupled with the first belt when the motor is disposed on the second belt.
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公开(公告)号：US11006844B2
公开(公告)日：2021-05-18
申请号：US15666854
申请日：2017-08-02
Inventor： Kenta Murakami , Mototaka Yoshioka , Jun Ozawa
IPC: A61B5/024 , G06T7/00 , G06K9/00 , A61B5/0255 , A61B5/00 , G06K9/20 , H04N5/33 , H04N5/225 , A61B5/021
Abstract: A pulse wave measuring device includes a processor and a memory. The processor obtains a visible light image, in a visible light wavelength range, of a user irradiated with visible light by a visible light source, obtains an infrared light image, in an infrared light wavelength range, of the user irradiated with infrared light by an infrared light source, extracts a visible light wave indicative of a user's pulse wave from the visible light image, extracts an infrared light wave indicative of a user's pulse wave from the infrared light image, computes a correlation value between the visible and infrared light waves, supplies a control signal for controlling the amount of infrared light emitted from the infrared light source to the infrared light source in accordance with the correlation value, calculates biological information by using at least one of the visible and infrared light waves, and outputs the biological information.
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公开(公告)号：US10980699B2
公开(公告)日：2021-04-20
申请号：US16137648
申请日：2018-09-21
Inventor： Mayumi Komatsu , Stephen William John , Kenta Murakami , Jun Ozawa
Abstract: A walking assistance apparatus includes a suit to be worn on a knee and waist of a user, a first wire that couples a portion included in the suit and worn above the knee to a portion included in the suit and worn on the waist, a second wire that couples a portion included in the suit and worn above a back of the knee to a portion included in the suit and worn on the waist, and motors coupled to the first and second wires. The motors are controlled to generate tensions so that each of the first and second wires has a stiffness greater than 200 N/m during a first period including a period of 95% or more and 100% or less of a first gait cycle of the user and a period of 0% or more and 50% or less of a second gait cycle subsequent to the first gait cycle.
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公开(公告)号：US10792211B2
公开(公告)日：2020-10-06
申请号：US15693896
申请日：2017-09-01
Inventor： Kenta Murakami , Stephen John , Mayumi Komatsu , Jun Ozawa
Abstract: An assist device includes an upper-body belt attached to the upper body of a user, first and second belts attached to the knees, a first wire coupling the upper-body belt to the first belt, a second wire crossing the first wire, a third wire coupling the upper-body belt to the second belt, a fourth wire crossing the third wire, and a motor coupled to one end of each of the first to fourth wires. When assisting users with walking, tensions equal to a first threshold value or greater are applied to one of the first and second wires and one of the third and fourth wires by the motor at different times. When detecting slacking of the upper-body belt, tensions equal to the first threshold value or greater are simultaneously applied to one of the first and second wires and one of the third and fourth wires by the motor.
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Patent Agency Ranking
26.发明授权公开(公告)号：US10736517B2
公开(公告)日：2020-08-11
申请号：US14873229
申请日：2015-10-02
Inventor： Mototaka Yoshioka , Jun Ozawa
IPC: A61B5/0205 , A61B5/00 , G01S13/88 , A61B5/11 , A61B5/05 , A61B5/021 , A61B5/024 , A61B5/022 , A61B5/113
Abstract: A non-contact blood-pressure measuring device includes: an image acquiring section that acquires a skin image obtained by capturing skin of a user; a pulse-wave timing calculating section that calculates, as a pulse-wave timing, time information indicative of a time at which time-varying luminance in the skin image reaches a peak; a millimeter-wave acquiring section that acquires a signal of a radio wave reflected by the user; a heartbeat timing calculating section that calculates, as a heartbeat timing, time information indicative of a time at which a time-varying distance to the user obtained on the basis of the signal of the radio wave acquired by the millimeter-wave acquiring section reaches a peak; and a blood-pressure determining section that determines blood pressure of the user on the basis of a time difference between the pulse-wave timing and the heartbeat timing.
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公开(公告)号：US10709348B2
公开(公告)日：2020-07-14
申请号：US15685138
申请日：2017-08-24
Inventor： Hiroyuki Motoyama , Tsuyoshi Inoue , Yusuke Kato , Jun Ozawa
IPC: A61G5/14 , A61B5/04 , A61B5/00 , A61B5/11 , A61H3/02 , A61H3/00 , A61H1/02 , B25J9/00 , A61B5/0488
Abstract: A standing motion assist device includes a support mechanism attached to a leg of a user to assist the user with motion, a sensor including first and/or second sensors that measure and output posture information and myoelectric potentials of the user, respectively, the sensor outputting measurement data including first measurement data measured after a sitting motion of the user sitting in a chair starts and second measurement data measured after the sitting motion ends, a memory that stores the measurement data, and a processor that controls the support mechanism. The processor detects the sitting motion and identifies the chair type based on the first measurement data, detects the start of a motion of the user standing from the chair based on the second measurement data, and outputs assist information corresponding to the identified chair type and used by the support mechanism to assist the user with standing.
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公开(公告)号：US10375299B2
公开(公告)日：2019-08-06
申请号：US16136741
申请日：2018-09-20
Inventor： Satoshi Sato , Takeo Azuma , Hiroyuki Motoyama , Jun Ozawa
Abstract: In an imaging device, a difference calculation unit calculates a differential signal between charge signals that have been accumulated and are held by first and charge holding units with different timings. A multiple sampling unit performs multiple sampling processing on the differential signal, and an analog digital conversion unit converts a signal that has undergone multiple sampling processing to a digital signal. That is, multiple sampling processing is performed on a differential signal with a higher sparsity than that of an image signal.
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公开(公告)号：US10028665B2
公开(公告)日：2018-07-24
申请号：US14843490
申请日：2015-09-02
Inventor： Jeffry Bonar Fernando , Jun Ozawa
IPC: A61B5/02 , A61B5/0205 , A61B5/0408 , A61B5/08 , A61B5/00 , A61B5/0402
Abstract: A biosignal determining device includes: an instruction output circuit which outputs a first instruction, a second instruction, and a third instruction to a user, the first instruction is for asking the user to perform an inhaling or exhaling motion to a limit, a second instruction is for asking the user to stop the motion, and a third instruction is for asking the user to perform a motion reverse to the motion to a limit; a detection circuit which obtains a first cardiography representing a potential difference between two electrodes disposed on a chest of the user, the first cardiography measured between a time when the second instruction is outputted and a time when the third instruction is outputted, and detects a plurality of peaks included in the first cardiography; and a determination circuit which determines whether the user has performed the motion asked in the first instruction to the limit depending on whether potential values of the plurality of peaks are included in a predetermined range.
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公开(公告)号：US09662074B2
公开(公告)日：2017-05-30
申请号：US14738981
申请日：2015-06-15
Inventor： Jeffry Bonar Fernando , Jun Ozawa
IPC: A61B5/04 , A61B5/00 , A61B5/0452 , A61B5/08
CPC classification number: A61B5/7278 , A61B5/0452 , A61B5/0809 , A61B5/0816
Abstract: A biological information monitoring system includes: a measuring circuitry configured acquire information on a potential difference between two first electrodes that is placed on a first thorax of a user, wherein the first thorax is in a symmetric position to a second thorax that is positioned at the same side as a heart of the user; a detection circuitry configured to detect a plurality of S wave peaks based on the information on the potential difference to generate time-series information on the plurality of S wave peaks; and a processing circuitry configured to determine respiratory information on the user based on the time-series information on the plurality of S wave peaks, and to output the respiratory information as biological information.
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