Chor Tin Ma,Kai Kin Chan,Ming Yip Wong,Kai Wai Yeung,Fo Chau
申请号:
US14607810
公开号:
US09801554B2
申请日:
2015.01.28
申请国别(地区):
US
年份:
2017
代理人:
摘要:
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.