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HEALTH MONITORING DEVICE
专利权人:
ECOLE POLYTECHNIQUE FÉDÉRALE DE LAUSANNE (EPFL)
发明人:
Assim Boukhayma,Antonino Caizzone,Christian Enz
申请号:
US16631642
公开号:
US20200205680A1
申请日:
2018.07.17
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The invention relates to a photoplethysmography (PPG) sensing device comprising —;a pulsed light source, —;at least one pixel to create photo-generated electrons, synchronized with said pulsed light source. It is mainly characterized in that each pixel comprises: —;a pinned photodiode (PPD) having two electronic connection nodes, —;a sense node (SN), to convert the photo-generated electrons into a voltage, and —;a Transfer Gate (TGtransfer) transistor, having its source electronically connected to one electronic connection node of said pinned photodiode (PPD), and being configured to act as a transfer gate (TG) between said pinned photodiode (PPD) and said sense node (SN), allowing the photo-generated electrons to sink when the light is pulsed-off, the photo-generated electrons integration when the light is pulsed-on and the transfer of at least part of the integrated photo-generated electrons to said sense node for a read-out.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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