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公开(公告)号：US20240148276A1
公开(公告)日：2024-05-09
申请号：US18411241
申请日：2024-01-12
Applicant: NEC Corporation
Inventor： Chenhui HUANG , Kenichiro Fukushi , Zhenwei Wang , Hiroshi Kajitani , Fumiyuki Nihey , Kentaro Nakahara
CPC classification number: A61B5/112 , A61B5/1074
Abstract: An estimation device that includes a detection unit that detects a terminal stance period from time-series data of sensor data based on a physical quantity related to movement of a foot measured by a sensor provided at a foot portion, a feature amount extraction unit that extracts a feature amount from an angular waveform in a coronal plane during the terminal stance period, and a presumption unit that estimates a degree of pronation/supination of the foot by using the feature amount extracted from the angular waveform in the coronal plane.
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2.发明公开公开(公告)号：US20230397839A1
公开(公告)日：2023-12-14
申请号：US18203452
申请日：2023-05-30
Applicant: NEC Corporation
Inventor： Zhenwei Wang , Chenhui Huang , Kazuki Ihara , Kenichiro Fukushi , Fumiyuki Hihey , Hiroshi Kajitani , Yoshitaka Nozaki , Kentaro Nakahara
IPC: A61B5/11
CPC classification number: A61B5/1118 , A61B2562/0219
Abstract: Provided is a waist swinging estimation device including a communication unit that acquires feature amount data including a feature amount extracted from a gait waveform of a spatial acceleration and a spatial angular velocity included in sensor data regarding a movement of a foot of a subject and used for estimation of waist swinging that is an index regarding a movement of a waist, a storage unit that stores an estimation model that outputs an estimated value regarding the waist swinging according to an input of a feature amount included in the feature amount data, an estimation unit that inputs a feature amount included in the acquired feature amount data to the estimation model, and estimate waist swinging of the subject according to an estimated value regarding the waist swinging output from the estimation model, and an output unit that outputs information according to waist swinging of the subject.
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3.发明公开公开(公告)号：US20240197206A1
公开(公告)日：2024-06-20
申请号：US18287421
申请日：2021-04-30
Applicant: NEC Corporation
Inventor： Hiroshi Kajitani , Eisuke Orito , Kenichiro Fukushi , Chenhui Huang , Fumiyuki Nihey
CPC classification number: A61B5/112 , A61B5/1121 , A61B5/6807 , A61B5/7221 , A61B5/7285 , A61B2562/0219
Abstract: An information processing apparatus (10) includes an acquisition means (11) for acquiring information based on a sensor (21) attached to a foot of a user, a detection means (12) for detecting, when a gait of the user cannot be detected based on the information indicating an angle between a sole of the foot of the user and the ground acquired by the acquisition means and a first threshold value, the gait of the user based on the information indicating the angle and a second threshold value smaller than the first threshold value, and an output means (13) for outputting information based on a result of the detection performed by the detection means.
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4.发明公开公开(公告)号：US20240090798A1
公开(公告)日：2024-03-21
申请号：US18520064
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：US10135099B2
公开(公告)日：2018-11-20
申请号：US15315664
申请日：2015-04-22
Applicant: NEC Corporation
Inventor： Hiroaki Fukunishi , Kenji Kobayashi , Suguru Watanabe , Osamu Ishibashi , Hiroshi Kajitani , Kazuhisa Sunaga , Hideyuki Sugita , Atsumasa Sawada , Ayami Tanabe
IPC: H02J7/00 , H01M10/44 , H01M10/0525
Abstract: A pulsed discharge device according to an exemplary aspect of the present invention includes a controller configured to determine an interruption time to a discharge time based on a predetermined time ratio between the discharge time and the interruption time when performing a pulsed discharge to repeat alternately a discharge and a pause in discharging of a chemical battery.
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Patent Agency Ranking
公开(公告)号：US09774062B2
公开(公告)日：2017-09-26
申请号：US14770514
申请日：2014-02-26
Applicant: NEC Corporation
Inventor： Koji Matsunaga , Hiroshi Kajitani , Katsuya Onose
CPC classification number: H01M10/443 , H01M10/425 , H01M10/441 , H01M10/46 , H01M10/486 , H01M2010/4271 , H02J7/0054 , H02J7/007 , H02J7/0075
Abstract: A storage battery (1) including an electric storage unit (10), an auxiliary electric storage unit (11) connected to the electric storage unit (10) in parallel, a temperature measurement unit (13) measuring a temperature, and a charge and discharge control unit (14) controlling charge and discharge of the electric storage unit (10) and the auxiliary electric storage unit (11), in which the charge and discharge control unit (14) changes an SOC (a charge completion SOC) of the electric storage unit (10) and the auxiliary electric storage unit (11) in a charge completion state of not allowing any more charge according to a measurement result of the temperature measurement unit (13), increases the charge completion SOC of the auxiliary electric storage unit (11) when the charge completion SOC of the electric storage unit (10) decreases, and decreases the charge completion SOC of the auxiliary electric storage unit (11) when the charge completion SOC of the electric storage unit (10) increases.
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公开(公告)号：US12219441B2
公开(公告)日：2025-02-04
申请号：US17767501
申请日：2019-10-21
Applicant: NEC Corporation
Inventor： Chenhui Huang , Yuka Imai , Toshinori Takemura , Kentaro Nakahara , Hannah Pokka , Itsumi Haneda , Akira Kamei , Kenichiro Fukushi , Hiroshi Kajitani , Zhenwei Wang , Koichi Morikawa , Hiroshi Okuda , Hiroaki Nakano
Abstract: A mobile terminal acquires a schedule of a user using a module device that includes a sensor, and instructs the module device to initiate a process for determining when to start or when to stop transmitting sensing information detected by the sensor to a communication destination, on the basis of the schedule. The module device acquires the sensing information, and initiates the process for determining when to start or when to stop transmitting the sensing information to the communication destination, on the basis of the instruction to initiate the determination process.
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8.发明公开公开(公告)号：US20240277259A1
公开(公告)日：2024-08-22
申请号：US18410586
申请日：2024-01-11
Applicant: NEC Corporation
Inventor： Fumiyuki NIHEY , Chenhui Huang , Kazuki Ihara , Hiroshi Kajitani
CPC classification number: A61B5/112 , A61B5/1038 , A61B5/6807 , A61B5/7267
Abstract: Provided is a gait index calculation device that includes a communication unit that receives sensor data based on spatial acceleration and spatial angular velocity that are measured at a frequency lower than a normal measurement frequency, an interpolation unit that interpolates the sensor data using a predetermined interpolation method, a gait index calculation unit that calculates a gait index using the interpolated sensor data, and an output unit that outputs the calculated gait index.
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9.发明公开公开(公告)号：US20230329586A1
公开(公告)日：2023-10-19
申请号：US18129387
申请日：2023-03-31
Applicant: NEC Corporation
Inventor： Zhenwei WANG , Kenichiro Fukushi , Kazuki Ihara , Kentaro Nakahara , Fumiyuki Nihey , Hiroshi Kajitani , Chenhui Huang , Yoshitaka Nozaki
CPC classification number: A61B5/112 , A61B5/1128 , A61B5/1114 , A61B5/742
Abstract: Provided is a gait information generation device including an acquisition unit that acquires waist position information including time-series data of a waist position of a subject in a predetermined gait cycle, a waist oscillation calculation unit that calculates, for a plurality of gait phases included in the predetermined gait cycle, a waist oscillation corresponding to a distance between a reference line set for the time-series data of the waist position of the subject and the waist position in each of the plurality of gait phases, a gait information generation unit that generates gait information according to the waist oscillation calculated with respect to the predetermined gait cycle, and an output unit that outputs the generated gait information.
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公开(公告)号：US10444296B2
公开(公告)日：2019-10-15
申请号：US15507912
申请日：2015-09-07
Applicant: NEC Corporation
Inventor： Junichi Miyamoto , Yuichi Imamura , Shingo Takahashi , Sho Ohtani , Hiroshi Kajitani
IPC: G01R31/388 , G01R31/3842
Abstract: A control device of the present invention includes: an OCV estimating unit that estimates, based on a voltage value and a current value of a controlled device, an OCV of the controlled device; a capacity calculating unit that calculates an integrated capacity of the controlled device based on the current value of the controlled device; and a control unit that controls discharging and charging of the controlled device, and calculates a full capacity of the controlled device based on: a first SOC and a second SOC at a predetermined first OCV and a predetermined second OCV during the discharging or the charging of the controlled device; a first integrated capacity and a second integrated capacity at the first OCV and the second OCV during the discharging; and a third integrated capacity and a fourth integrated capacity at the second OCV and the first OCV during the charging.
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