Youngzoon Yoon,Hyunsurk Ryu,Kyoobin LEE,Jaesoong LEE,Junhaeng Lee,Seunghoon HAN
申请号：
US14884019
公开号：
US20160106327A1
申请日:
2015.10.15
申请国别(地区):
US
年份:
2016
代理人:
摘要：
An apparatus for acquiring bio-information includes a light source configured to radiate a laser beam to a region of interest including a blood vessel a sensor configured to sense, from the region of interest, a change of a laser speckle generated by the radiated laser beam and a controller configured to obtain a bio-signal indicating a change in a blood flow in the blood vessel based on the sensed change of the laser speckle.
