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11.发明申请公开(公告)号：US20180128880A1
公开(公告)日：2018-05-10
申请号：US15574518
申请日：2016-05-19
Applicant: NEC Corporation
Inventor： Junichi MIYAMOTO , Hiroshi KAJITANI , Sho OHTANI
CPC classification number: G01R31/3842 , G01R31/36 , H01M10/44 , H01M10/48 , H02J7/00 , H02J7/0047 , H02J7/007 , H02J7/0073 , H02J2007/005
Abstract: A storage battery control device includes: a voltage measurement means for measuring terminal voltage of a storage battery; a current measurement means for measuring charge current and discharge current of the storage battery; a capacity calculation means for calculating a cumulative capacity of the storage battery by using the charge current measured by a current measurement unit; a control means for determining an operation of the storage battery, based on at least one of the terminal voltage, the charge current, the discharge current, and the cumulative capacity; and a charging/discharging control means for causing the storage battery to operate in accordance with an instruction from the control means, and the charging/discharging control means causes the storage battery to charge by a first charging method from a discharge end voltage to a first charge voltage, to charge by a second charging method at the first charge voltage, to charge by the first charging method from the first charge voltage to a second charge voltage, and to charge by the second charging method at the second charge voltage.
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12.发明申请公开(公告)号：US20160294194A1
公开(公告)日：2016-10-06
申请号：US15034452
申请日：2014-10-14
Applicant: NEC CORPORATION
Inventor： Junichi MIYAMOTO , Hiroshi KAJITANI , Muneo FUKAISHI
IPC: H02J4/00
CPC classification number: H02J4/00 , H02J7/0063 , H02J2007/0067
Abstract: A unit selector (120) selects a predetermined number of power storage units from a plurality of power storage units (110) and connects the selected power storage units to an input/output terminal (140). A control unit (130) controls the unit selector (120). Specifically, during continuous discharge from the input/output terminal (140), the control unit (130) switches the power storage units (110) selected by the unit selector (120), and repeatedly selects the same power storage units (110) at intervals of time.
Abstract translation: 单元选择器（120）从多个蓄电单元（110）中选择预定数量的蓄电单元，并将所选择的蓄电单元连接到输入/输出端子（140）。 控制单元（130）控制单元选择器（120）。 具体而言，在从输入输出端子（140）的连续放电期间，控制单元（130）切换由单元选择器（120）选择的蓄电单元（110），并且重复地选择相同的蓄电单元（110） 时间间隔
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公开(公告)号：US20250032000A1
公开(公告)日：2025-01-30
申请号：US18716597
申请日：2021-12-27
Applicant: NEC Corporation
Inventor： Chenhui HUANG , Fumiyuki NIHEY , Zhenwei WANG , Hiroshi KAJITANI , Yoshitaka NOZAKI , Kenichiro FUKUSHI
IPC: A61B5/11
Abstract: Provided is a fall probability estimation device that includes a data acquisition unit that acquires feature amount data including a feature amount extracted from sensor data regarding a motion of a foot of a user and used for estimation of fall probability of the user, a storage unit that stores an estimation model that outputs a fall probability index according to an input of the feature amount data, an estimation unit that inputs the acquired feature amount data into the estimation model and estimates the fall probability of the user according to the fall probability index output from the estimation model, and an output unit that outputs information regarding the estimated fall probability of the user.
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14.发明公开公开(公告)号：US20240315600A1
公开(公告)日：2024-09-26
申请号：US18595537
申请日：2024-03-05
Applicant: NEC Corporation
Inventor： Hiroshi KAJITANI
CPC classification number: A61B5/112 , A61B5/6807 , A61B5/7264 , A61B2562/0219
Abstract: A gait information generation device includes a communication unit that acquires sensor data measured in response to a motion of a foot, an increment calculating unit that calculates an increment of a lateral distance by using lateral acceleration included in the sensor data, a gait information generating unit that calculates, as a step width, a sum of a heel center distance substantially equivalent to a distance between center lines of heels of both feet in an initial state and a sum total of the increments of the lateral distance, and generates gait information related to the calculated step width, and an output unit that outputs the generated gait information.
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15.发明公开公开(公告)号：US20240260855A1
公开(公告)日：2024-08-08
申请号：US18565176
申请日：2021-06-04
Applicant: NEC Corporation
Inventor： Hiroshi KAJITANI
CPC classification number: A61B5/112 , A61B5/6829 , A61B5/7475 , A61B2560/0209 , A61B2560/0219 , A61B2562/0219
Abstract: A condition setting device includes an acquisition unit that acquires measurement success/failure information indicating success/failure of measurement of a physical quantity related to a motion of a foot, the measurement being executed by a measurement device installed at a foot portion of a user at a measurement opportunity included in a target measurement time zone, and a measurement condition setting unit that sets, based on the measurement success/failure information in the target measurement time zone, a measurement condition including a standby time from when a gait is sensed at a measurement opportunity included in a related measurement time zone related to the target measurement time zone to when measurement is started.
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Patent Agency Ranking
16.发明公开公开(公告)号：US20240245320A1
公开(公告)日：2024-07-25
申请号：US18383225
申请日：2023-10-24
Applicant: NEC Corporation
Inventor： Hiroshi KAJITANI
CPC classification number: A61B5/112 , A61B5/1126 , A61B5/6807 , A61B2562/0219 , A61B2562/06
Abstract: A gait measurement device includes a first sensor that outputs an activation signal in response to detection of a magnetic field, a clock that generates a clock count value, a second sensor that measures a physical quantity related to movement of a foot, a control unit that is activated in response to the activation signal output from the first sensor to activate the clock and the second sensor, a data generation unit that generates sensor data using the physical quantity measured by the second sensor and generates measurement data associated with the clock count value and the sensor data at a timing when the physical quantity is measured, and an output unit that outputs the measurement data.
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17.发明公开公开(公告)号：US20240081688A1
公开(公告)日：2024-03-14
申请号：US18519464
申请日：2023-11-27
Applicant: NEC Corporation
Inventor： Hiroshi KAJITANI
CPC classification number: A61B5/112 , A61B5/6807 , A61B2562/0219
Abstract: A step width measurement device includes a distance calculation unit that calculates a distance between both feet of a user by using propagation data related to transmission/reception times of ultrasonic waves transmitted/received by ultrasonic transmission/reception devices mounted on each of the both feet of the user, a height calculation unit that calculates a height of a sensor by using sensor data including a spatial acceleration and a spatial angular velocity measured by sensors mounted on each of the both feet of the user, and a step width calculation unit that calculates a step width of the user by using the distance between the both feet measured at the same timing and the height of the sensor.
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公开(公告)号：US20230394947A1
公开(公告)日：2023-12-07
申请号：US18202741
申请日：2023-05-26
Applicant: NEC Corporation
Inventor： Hiroshi KAJITANI
IPC: G08B21/04
CPC classification number: G08B21/0446
Abstract: A data relay device including a communication unit that receives gait data including a feature amount extracted from sensor data related to a motion of a foot measured by a measurement device mounted in footwear of a subject, a storage unit that stores the received gait data, a sound input/output unit that outputs a sound to the subject in response to reception of the gait data, and an output unit that outputs target data including the gait data stored in the storage unit at a preset transmission timing.
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19.发明公开公开(公告)号：US20230389859A1
公开(公告)日：2023-12-07
申请号：US18202829
申请日：2023-05-26
Applicant: NEC Corporation
Inventor： Kazuki IHARA , Kenichiro FUKUSHI , Zhenwei WANG , Chenhui HUANG , Hiroshi KAJITANI , Fumiyuki NIHEY , Yoshitaka NOZAKI , Kentaro NAKAHARA
CPC classification number: A61B5/4585 , A61B5/112 , A61B5/6807 , A61B2562/0219
Abstract: An index value estimation device including a data acquisition unit that acquires feature amount data including a feature amount extracted from sensor data related to a motion of a foot of a user and used for estimating an index value indicating a knee state of the user, a storage unit that stores an estimation model that outputs an index value according to an input of the feature amount data, an estimation unit that estimates an output obtained by inputting the acquired feature amount data to the estimation model as an index value indicating the knee state of the user, and an output unit that outputs information about the estimated index value indicating the knee state of the user.
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20.发明公开公开(公告)号：US20230371849A1
公开(公告)日：2023-11-23
申请号：US18195232
申请日：2023-05-09
Applicant: NEC Corporation
Inventor： Kazuki IHARA , Kenichiro FUKUSHI , Zhenwei WANG , Hiroshi KAJITANI , Fumiyuki NIHEY , Chenhui HUANG , Yoshitaka NOZAKI , Kentaro NAKAHARA
IPC: A61B5/11
CPC classification number: A61B5/112 , A61B2562/0219
Abstract: Provided is a gait information generation device including an acquisition unit that acquires gait data including time-series data of a foot position of a subject, a detection unit that detects a start point and an end point of a gait cycle from the time-series data of the foot position included in the gait data, a calculation unit that calculates a first movement amount component related to the start point and a second movement amount component related to the end point, a gait information generation unit that generates gait information about a gait movement path of the subject using the calculated first movement amount component and the calculated second movement amount component, and an output unit that outputs the generated gait information.
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