公开(公告)号：US20240423498A1

公开(公告)日：2024-12-26

申请号：US18752405

申请日：2024-06-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Md Mahbubur Rahman ,  Yincheng Jin ,  Mehrab Bin Morshed ,  Nafiul Rashid ,  Jilong Kuang ,  Jun Gao

IPC: A61B5/091 ,  A61B5/00 ,  A61B5/0205 ,  A61B5/0295 ,  A61B5/08 ,  A61B5/11

Abstract: In one embodiment, a method includes detecting, by a motion sensor of a mobile device worn by a user, multiple motion signals, each representing a motion of the user about one of a number of mobile-device axes defined by an orientation of the mobile device. The method further includes determining, for each of the multiple mobile-device axes, a ballistocardiogram (BCG) signal based on the motion signal corresponding to that mobile-device axis; selecting, based on a strength of the determined BCG signals, one or more particular mobile-device axes and corresponding motion signals for estimating a user's tidal volume; determining, based on the one or more selected motion signals, one or more breathing features; and estimating, by providing the one or more breathing features to a trained machine-learning model, the user's current tidal volume.

公开(公告)号：US20230380774A1

公开(公告)日：2023-11-30

申请号：US18198989

申请日：2023-05-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tousif Ahmed ,  Md Mahbubur Rahman ,  Yincheng Jin ,  Ebrahim Nematihosseinabadi ,  Mohsin Ahmed ,  Nafiul Rashid ,  Jilong Kuang ,  Jun Gao

IPC: A61B5/00 ,  A61B5/08 ,  A61B7/00 ,  G16H40/67 ,  G16H50/30

CPC classification number: A61B5/7278 ,  A61B5/0816 ,  A61B5/7221 ,  A61B5/7285 ,  A61B5/6803 ,  A61B7/003 ,  A61B5/7203 ,  A61B5/7264 ,  G16H40/67 ,  G16H50/30 ,  A61B5/1118

Abstract: In one embodiment, a method includes accessing, from a first sensor of a wearable device, motion data representing motion of a user and determining, from the motion data, an activity level of the user. The method includes selecting, based on the activity level, an activity-based technique for estimating the breathing rate of the user, which is used to determine a breathing rate of the user. The method further includes determining a quality associated with the breathing rate and comparing the determined quality with a threshold. If the determined quality is not less than the threshold, then the method includes using the determined breathing rate as a final breathing-rate determination for the user. If the determined quality is less than the threshold, then the method includes activating a second sensor of the wearable device and determining, based on data from the second sensor, a breathing rate for the user.