An integrated CMOS optical sensing chip for multiple bio-signal detections

Chiou, Albert Yen-Chih; Hsieh, S. T.; Pan, Yan-Quan; Kuo, Chia-Chi; Hsieh, Chih-Cheng

doi:10.1109/asscc.2016.7844169

Cited by 7 publications

(1 citation statement)

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“…In [46], the low-pass filter is removed and DC level detection and calibration is implemented using a current mode dig-ital to analog converter (DAC). However, the slow frequency of updating the measured DC resulted in signal errors from motion artifacts and ambient light interference.…”

Section: A Pulse Oximetersmentioning

confidence: 99%

Wearables for the Next Pandemic

Hedayatipour

McFarlane

2020

IEEE Access

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This paper reviews the current state of the art in wearable sensors, including current challenges, that can alleviate the loads on hospitals and medical centers. During the COVID-19 Pandemic in 2020, healthcare systems were overwhelmed by people with mild to severe symptoms needing care. A careful study of pandemics and their symptoms in the past 100 years reveals common traits that should be monitored for managing the health and economic costs. Cheap, low power, and portable multi-modalsensors that detect the common symptoms can be stockpiled and ready for the next pandemic. These sensors include temperature sensors for fever monitoring, pulse oximetry sensors for blood oxygen levels, impedance sensors for thoracic impedance, and other state sensors that can be integrated into a single system and connected to a smartphone or data center. Both research and commercial medically approved devices are reviewed with an emphasis on the electronics required to realize the sensing. The performance characteristics, such as accuracy, power, resolution, and size of each sensor modality are critically examined. A discussion of the characteristics, research challenges, and features of an ideal integrated wearable system is also presented.

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Section: A Pulse Oximetersmentioning

confidence: 99%