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公开(公告)号：US20230372800A1
公开(公告)日：2023-11-23
申请号：US18043629
申请日：2021-09-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Teng Xu , Xiaohan Chen , Yonghang Jiang
IPC: A63B69/36
CPC classification number: A63B69/3608
Abstract: A swing action detection method is applied to a wearable device including one or more motion sensors and a sound collector. In the method, the wearable device collects a first sound signal using the sound collector to determine whether a user strikes a ball. After a strike action is determined, an exercise parameter of the user is obtained with reference to first exercise data collected by the wearable device using the one or more motion sensors to monitor the strike action of the user, and effectively assist the user in improving a strike rhythm and strike stability.
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公开(公告)号：US11487965B2
公开(公告)日：2022-11-01
申请号：US16640829
申请日：2017-08-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yixin Chen , Chen Dong , Xiaohan Chen , Yu Wang , Fan Yang
Abstract: A method includes: collecting an original signal in a specified time interval, and performing combined acceleration processing on the original signal to obtain a combined acceleration signal; performing state processing on the combined acceleration signal to obtain a motion time interval, and extracting a plurality of feature groups from the combined acceleration signal according to a preset motion rule; and performing screening on the plurality of feature groups to obtain a first feature group, extracting a median value from the first feature group, and obtaining a stride frequency in the specified time interval based on the median value and a collection frequency, and obtaining a quantity of steps through calculation based on the motion time interval and the stride frequency.
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公开(公告)号：US11118913B2
公开(公告)日：2021-09-14
申请号：US16342663
申请日：2016-12-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaohan Chen
Abstract: A positioning method applied to a mobile device having a sensor system and a positioning system includes determining that the mobile device is in a preset state; determining a speed reference value of the mobile device based on data detected by the sensor system; determining a position reference value of the mobile device based on preset map data and an estimated positioning value that is output by the positioning system; and correcting, based on the speed reference value and the position reference value, an estimated speed value and the estimated positioning value that are output by the positioning system.
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公开(公告)号：US20210042121A1
公开(公告)日：2021-02-11
申请号：US16640829
申请日：2017-08-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yixin Chen , Chen Dong , Xiaohan Chen , Yu Wang , Fan Yang
Abstract: A method includes: collecting an original signal in a specified time interval, and performing combined acceleration processing on the original signal to obtain a combined acceleration signal; performing state processing on the combined acceleration signal to obtain a motion time interval, and extracting a plurality of feature groups from the combined acceleration signal according to a preset motion rule; and performing screening on the plurality of feature groups to obtain a first feature group, extracting a median value from the first feature group, and obtaining a stride frequency in the specified time interval based on the median value and a collection frequency, and obtaining a quantity of steps through calculation based on the motion time interval and the stride frequency.
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公开(公告)号：US10900789B2
公开(公告)日：2021-01-26
申请号：US16303324
申请日：2016-05-20
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chenxi Lu , Yu Wang , Guoliang Li , Xiaohan Chen
Abstract: A positioning method and a mobile device, where the method is applied to the mobile device and includes periodically detecting a status of the mobile device, where the status of the mobile device includes a driving state and a walking state, positioning the mobile device using a first positioning algorithm when detecting that a quantity of times that the driving state consecutively occurs reaches M, where the M is an integer greater than one, and positioning the mobile device using a second positioning algorithm when detecting that a quantity of times that the walking state consecutively occurs reaches N, where the N is an integer greater than one. Hence, the status of the mobile device can be more accurately determined by implementing this technical solution to position the mobile device using a positioning algorithm matching an actual status of the mobile device, thereby improving accuracy of a positioning result.
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Patent Agency Ranking
公开(公告)号：US20200293603A1
公开(公告)日：2020-09-17
申请号：US16649004
申请日：2017-09-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaohan Chen , Yu Wang , Chen Dong
Abstract: A method includes calculating, based on a first coordinate transformation matrix and a measured value of a gyroscope that corresponds to the ith sampling moment, a second coordinate transformation matrix corresponding to the ith sampling moment, where the first coordinate transformation matrix is a constant matrix, the first coordinate transformation matrix is a coordinate transformation matrix between a sensor coordinate system and a foot coordinate system, the second coordinate transformation matrix is a coordinate transformation matrix between the foot coordinate system and a ground coordinate system, and i is an integer greater than 0, and calculating, based on the first coordinate transformation matrix and the second coordinate transformation matrix corresponding to the ith sampling moment, an attitude matrix corresponding to the ith sampling moment, where the attitude matrix is a coordinate transformation matrix between the sensor coordinate system and the ground coordinate system.
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公开(公告)号：US20190212150A1
公开(公告)日：2019-07-11
申请号：US16303324
申请日：2016-05-20
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chenxi Lu , Yu Wang , Guoliang Li , Xiaohan Chen
IPC: G01C21/20
CPC classification number: G01C21/20 , H04M1/72569 , H04M1/72572 , H04M2250/12 , H04W64/00 , H04W64/006
Abstract: A positioning method and a mobile device, where the method is applied to the mobile device and includes periodically detecting a status of the mobile device, where the status of the mobile device includes a driving state and a walking state, positioning the mobile device using a first positioning algorithm when detecting that a quantity of times that the driving state consecutively occurs reaches M, where the M is an integer greater than one, and positioning the mobile device using a second positioning algorithm when detecting that a quantity of times that the walking state consecutively occurs reaches N, where the N is an integer greater than one. Hence, the status of the mobile device can be more accurately determined by implementing this technical solution to position the mobile device using a positioning algorithm matching an actual status of the mobile device, thereby improving accuracy of a positioning result.
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公开(公告)号：US12144609B2
公开(公告)日：2024-11-19
申请号：US17058909
申请日：2019-05-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Bin Yang , Yu Wang , Xiaohan Chen
Abstract: A method and an apparatus for setting a sports mode are provided. Two metal endpoints on an outer surface of an intelligent device are respectively used as an output end and a receive end of signals. A signal sent by the output end is compared with a signal received by the receive end to determine whether the intelligent device currently meets a preset condition. First sports characteristic data detected by a sports sensing apparatus is obtained to determine whether the first sports characteristic data matches preset sports characteristic data corresponding to a swimming mode. When two determining results are both “yes”, it can be determined that the intelligent device meets a setting condition of the swimming mode.
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公开(公告)号：US20240325858A1
公开(公告)日：2024-10-03
申请号：US18744022
申请日：2024-06-14
Applicant: Huawei Technologies Co., Ltd.
Inventor： Teng Xu , Xiaohan Chen , Yu Sun
IPC: A63B71/06
CPC classification number: A63B71/0622 , A63B2071/0691
Abstract: A method includes, after receiving a first instruction, determining whether a wearable device has loaded map data of a first sport field, where the first instruction indicates that a user is playing a target sport, and the first sport field is a sport field in which the user plays the target sport; after it is determined that the wearable device has loaded the map data of the first sport field, obtaining motion data representing an action feature of the user in a case in which the user plays the target sport and positioning data representing an action location of the user in a case in which the user plays the target sport and a location of the wearable device; and displaying, based on the motion data, the positioning data, and the map data of the first sport field, statistical data about playing the target sport by the user.
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公开(公告)号：US11928947B2
公开(公告)日：2024-03-12
申请号：US17551604
申请日：2021-12-15
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yonghang Jiang , Xiaohan Chen
CPC classification number: G08B21/043 , G08B21/0446 , G08B21/0453 , G08B21/0469 , G08B21/182
Abstract: A fall detection-based help-seeking method and an electronic device, to improve accuracy of fall detection performed by an electronic device and reduce a probability of mistakenly triggering automatic help-seeking of the electronic device. A solution includes: the electronic device includes a motion sensor and the motion sensor includes an acceleration sensor or a gyro sensor. The electronic device collects a first motion parameter of a user by using the motion sensor. The electronic device obtains a fall confidence of the first motion parameter if the first motion parameter matches a first preset fall parameter, where the fall confidence of the first motion parameter is used to represent a probability that the first motion parameter is a motion parameter collected when the user falls. The electronic device sends help-seeking information if the fall confidence of the first motion parameter is greater than a preset confidence threshold.
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