公开(公告)号：US09801554B2

公开(公告)日：2017-10-31

申请号：US14607810

申请日：2015-01-28

Applicant: Well Being Digital Limited

Inventor： Chor Tin Ma ,  Kai Kin Chan ,  Ming Yip Wong ,  Kai Wai Yeung ,  Fo Chau

IPC: A61B5/02 ,  A61B5/0205 ,  A61B5/024 ,  A61B5/00 ,  A63B24/00 ,  A63B71/06 ,  A61B5/1455 ,  G05B15/02 ,  G06F3/16

CPC classification number: A61B5/02055 ,  A61B5/01 ,  A61B5/02416 ,  A61B5/02433 ,  A61B5/02438 ,  A61B5/14551 ,  A61B5/6817 ,  A61B5/6824 ,  A61B5/7207 ,  A61B5/7214 ,  A61B2503/10 ,  A63B24/0062 ,  A63B71/0622 ,  A63B71/0686 ,  A63B2071/0625 ,  A63B2071/0688 ,  A63B2230/06 ,  A63B2230/207 ,  A63B2230/50 ,  G05B15/02 ,  G06F1/163 ,  G06F3/165

Abstract: A noninvasive light sensor for detecting heart beat signals has a circular support member engageable circumferentially with a body part of a person. There are a plurality of light emitters and light detectors located around a circumference of the circular support member for respectively emitting light signals into different areas of tissue surrounding the body part, and receiving reflected light signals from the different areas of tissue surrounding the body part.