公开(公告)号：US11998326B2

公开(公告)日：2024-06-04

申请号：US17585841

申请日：2022-01-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaodong Ni ,  Yi Xi ,  Ao Shen ,  Wenxiong Wei

IPC: A61B5/0205 ,  A61B5/00 ,  A61B5/1455 ,  A61B5/25 ,  G06F1/16 ,  A61B5/024 ,  H02J50/10

CPC classification number: A61B5/14552 ,  A61B5/0205 ,  A61B5/25 ,  A61B5/681 ,  G06F1/163 ,  A61B5/02416 ,  A61B5/02438 ,  A61B2560/0209 ,  A61B2560/0214 ,  H02J50/10

Abstract: A smart wearable device includes a detection apparatus and a case, the detection apparatus specifically includes one set of measuring parts and a plurality of sets of light emitting parts; the one set of measuring parts and the plurality of sets of light emitting parts are inlaid into the case and arranged into a polygon, where each of the plurality of sets of light emitting parts and the one set of measuring parts each occupies one of a plurality of angles of the polygon, and a central position of the polygon is at a specified distance to each angle of the polygon. A specific embodiment of the present invention provides a smart wearable device. One set of measuring parts and a plurality of sets of light emitting parts are disposed into a case and arranged into a polygon.

公开(公告)号：US20230293033A1

公开(公告)日：2023-09-21

申请号：US18040553

申请日：2021-08-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kelin Li ,  Zhi Guo ,  Yongtao Cui ,  Rongguang Yang ,  Yi Xi

IPC: A61B5/024 ,  A61B5/282 ,  A61B5/256

CPC classification number: A61B5/02438 ,  A61B5/282 ,  A61B5/256 ,  A61B5/02416

Abstract: A wearable device includes a screen, a first electrode, a second electrode, and a circuit board. The screen and the second electrode are mounted on a housing. The first electrode is coupled to the screen and does not shield a display region of the screen, and the first electrode and the second electrode are electrically coupled by the circuit board. The first electrode has a first surface, the second electrode has a second surface, and the first surface and the second surface are configured to contact a human body of a wearer.

公开(公告)号：US20220265197A1

公开(公告)日：2022-08-25

申请号：US17620480

申请日：2020-06-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xijin Tan ,  Yi Xi ,  Shiyou Sun ,  Yi Hu

IPC: A61B5/347 ,  A61B5/332 ,  A61B5/282 ,  A61B5/256 ,  A61B5/0531 ,  A61B5/11 ,  A61B5/00

Abstract: An ECG detection method includes in a wearable device, a first electrode detects a first electrical signal and a second electrode detects a second electrical signal, a processor determines a frequency bandwidth based on a current status of the wearable device and/or a status of a user in contact with the first electrode and the second electrode, and the processor determines an electrocardiogram ECG based on an electrical signal that is in the first electrical signal and the second electrical signal and for which a frequency falls within the frequency bandwidth. The wearable device selects an appropriate frequency bandwidth based on the status of the wearable device and/or the status of the user in contact with the first electrode and the second electrode, and then obtains the ECG based on the frequency bandwidth.

公开(公告)号：US11272846B2

公开(公告)日：2022-03-15

申请号：US16346743

申请日：2017-01-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaodong Ni ,  Yi Xi ,  Ao Shen ,  Wenxiong Wei

IPC: A61B5/0205 ,  A61B5/1455 ,  A61B5/00 ,  G06F1/16 ,  A61B5/25 ,  A61B5/024 ,  H02J7/02

Abstract: A smart wearable device includes a detection apparatus and a case, the detection apparatus specifically includes one set of measuring parts and a plurality of sets of light emitting parts; the one set of measuring parts and the plurality of sets of light emitting parts are inlaid into the case and arranged into a polygon, where each of the plurality of sets of light emitting parts and the one set of measuring parts each occupies one of a plurality of angles of the polygon, and a central position of the polygon is at a specified distance to each angle of the polygon. A specific embodiment of the present invention provides a smart wearable device. One set of measuring parts and a plurality of sets of light emitting parts are disposed into a case and arranged into a polygon.

公开(公告)号：US20250098051A1

公开(公告)日：2025-03-20

申请号：US18576893

申请日：2022-06-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sulin Yang ,  Yi Xi

IPC: H05B45/347 ,  A61B5/024 ,  H05B45/375 ,  H05B45/38 ,  H05B47/105

Abstract: A light-emitting device driving circuit includes: a voltage conversion circuit, at least one light-emitting device, a current driving circuit, and a controller. Any light-emitting device and the current driving circuit are coupled in series between an output terminal and a ground terminal of the voltage conversion circuit. The controller is configured to output a first control signal to the current driving circuit, the current driving circuit is configured to provide a predetermined current for a first light-emitting device based on the first control signal, the controller is configured to output a second control signal to the voltage conversion circuit based on an electrical parameter on a path on which the first light-emitting device and the current driving circuit are located, and the voltage conversion circuit is configured to adjust a voltage at the output terminal of the voltage conversion circuit based on the second control signal.

公开(公告)号：US20220248968A1

公开(公告)日：2022-08-11

申请号：US17622517

申请日：2020-06-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi Xi ,  Shiyou Sun ,  Dan Su

IPC: A61B5/0205 ,  G02B27/30 ,  G02B3/08 ,  A61B5/1455 ,  A61B5/024 ,  A61B5/00

Abstract: A wearable device includes a substrate, at least one light emitting component mounted on one side of the substrate and configured to emit light on at least one optical wavelength band, and at least one lens disposed on an out-light side of the at least one light emitting component, where each lens corresponds to at least one light emitting component, and each lens is capable of reducing a divergence angle of light emitted by the at least one light emitting component corresponding to the lens.

公开(公告)号：US20220218219A1

公开(公告)日：2022-07-14

申请号：US17610964

申请日：2020-05-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yuliang Yao ,  Zhi Guo ,  Le Wang ,  Nan Lu ,  Rongguang Yang ,  Yi Xi ,  Shiyou Sun

IPC: A61B5/024 ,  H05K5/00 ,  H05K5/03 ,  H05K5/02 ,  A61B5/00

Abstract: A smart wearable device includes a display screen, a rear cover that engages with the display screen, a light generator, and a light receiver. The light generator and the light receiver are disposed in a mounting cavity formed after the display screen engages with the rear cover, the light generator is configured to emit light to an outer side of the rear cover, the light receiver is configured to receive light transmitted from the outer side of the rear cover, the light generator is disposed on a first control panel, the light receiver is disposed on a second control panel, and the light generator is disposed closer to the rear cover than the light receiver.

公开(公告)号：US20220022814A1

公开(公告)日：2022-01-27

申请号：US17290690

申请日：2019-11-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi Xi ,  Shiyou Sun ,  Yanguo He

IPC: A61B5/00 ,  A61B5/024 ,  A61B5/11

Abstract: An electronic device includes one or more optical transmitters, configured to send lights of at least two colors on a preset optical path, one or more optical sensors, configured to detect the lights on the preset optical path, and a processor, configured to determine whether a wearing status of the electronic device is normal, based on a relationship between a first preset threshold and an eigenvalue difference between same features of lights of different colors in the lights of at least two colors that are detected by the one or more optical sensors, and detect a heart rate when the electronic device is worn normally.