公开(公告)号：US11974838B2

公开(公告)日：2024-05-07

申请号：US16964087

申请日：2019-01-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hansung Lee ,  Hwan Shim ,  Yongjin Lee ,  Jooman Han ,  Jongho Park ,  Gahee Jung ,  Seounghun Kim ,  Jihwan Kim ,  Choonghee Ahn ,  Hyungjoon Lim ,  Jiwoon Jung ,  Jeongmin Park

IPC: A61B5/024 ,  A61B5/00 ,  A61B5/0255 ,  A61B5/021

CPC classification number: A61B5/02416 ,  A61B5/02427 ,  A61B5/0255 ,  A61B5/721 ,  A61B5/02108 ,  A61B5/02433 ,  A61B2562/0219 ,  A61B2562/0238

Abstract: An electronic device may include a PPG sensor including a light emitter that applies a current in a specified range and emits a light signal corresponding to the current and a light detector that amplifies a received light signal by applying one of a plurality of gain values, a memory that stores a plurality of sets of PPG models corresponding to the plurality of gain values and including a current value and PPG level data corresponding to the current value, and at least one processor electrically connected to the PPG sensor and the memory.