公开(公告)号：US20240164681A1

公开(公告)日：2024-05-23

申请号：US18380768

申请日：2023-10-17

Applicant: POSTECH Research and Business Development Foundation

Inventor： Unyong JEONG ,  Sung-Min PARK ,  Joosung OH ,  Junho KIM

IPC: A61B5/268 ,  A61B5/00 ,  A61B5/0205 ,  A61B5/11 ,  A61B5/27 ,  A61B5/287

CPC classification number: A61B5/268 ,  A61B5/0205 ,  A61B5/1102 ,  A61B5/27 ,  A61B5/287 ,  A61B5/688 ,  A61B2562/0285 ,  A61B2562/125

Abstract: Proposed are a sensor for simultaneously measuring electrocardiogram and mechanocardiogram and a method of manufacturing the same. The sensor for simultaneously measuring electrocardiogram and mechanocardiogram includes a base mat including nanofibers including a polymer, and having a porous structure, and a conductive pattern portion impregnated into the base mat to a predetermined depth and including a first pattern for measuring the electrocardiogram and a second pattern for measuring the mechanocardiogram. Each of the first pattern and the second pattern includes nanofibers including the polymer, and a conductor located between the nanofibers. The sensor for simultaneously measuring electrocardiogram and mechanocardiogram has excellent mechanical and electrical stability against stretching. Thus, the long-term use of the sensor as an implantable electrode enables stable simultaneous measurement of electrocardiogram and mechanocardiogram.

公开(公告)号：US20220240863A1

公开(公告)日：2022-08-04

申请号：US17317524

申请日：2021-05-11

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  POSTECH Research and Business Development Foundation

Inventor： Young Soo KIM ,  Sung-Min PARK ,  Youn Ho KIM ,  Vega Pradana RACHIM ,  Sang Yun PARK ,  JinHyeok BAEK

IPC: A61B5/00 ,  A61B5/0205 ,  A61B5/02 ,  A61B5/024 ,  A61B5/021 ,  A61B5/1455 ,  A61B5/16

Abstract: An apparatus for estimating biological information of a user may include a light source configured to emit light to an object of the user; an image sensor comprising a pixel array, and configured to acquire successive image frames by detecting light scattered or reflected from the object of the user; and a processor configured to: select a predetermined number of pixel-rows from among pixel-rows of the image sensor, detect signal intensities in the predetermined number of pixel-rows for each image frame of the successive image frames, correct the signal intensities, combine the signal intensities for each image frame of the successive image frames based on correcting the signal intensities, acquire a photoplethysmogram (PPG) signal based on combining the signal intensities, and estimate the biological information of the user based on the PPG signal.