[HTML][HTML] Wearable photoplethysmographic sensors—past and present
Photoplethysmography (PPG) technology has been used to develop small, wearable, pulse
rate sensors. These devices, consisting of infrared light-emitting diodes (LEDs) and …
rate sensors. These devices, consisting of infrared light-emitting diodes (LEDs) and …
Current progress of photoplethysmography and SPO2 for health monitoring
T Tamura - Biomedical engineering letters, 2019 - Springer
A photoplethysmograph (PPG) is a simple medical device for monitoring blood flow and
transportation of substances in the blood. It consists of a light source and a photodetector for …
transportation of substances in the blood. It consists of a light source and a photodetector for …
Signal processing apparatus
MK Diab, E Kiani-Azarbayjany, IM Elfadel… - US Patent …, 2013 - Google Patents
The present invention involves method and apparatus for analyzing two measured signals
that are modeled as contain ing primary and secondary portions. Coefficients relate the two …
that are modeled as contain ing primary and secondary portions. Coefficients relate the two …
Signal processing apparatus and method
MK Diab, RJ McCarthy - US Patent 9,289,167, 2016 - Google Patents
(57) ABSTRACT A method and an apparatus to analyze two measured signals that are
modeled as containing desired and undesired portions such as noise, FM and AM …
modeled as containing desired and undesired portions such as noise, FM and AM …
Signal processing apparatus
MK Diab, E Kiani-Azarbayjany, IM Elfadel… - US Patent …, 2014 - Google Patents
The present disclosure describes a method and an apparatus for analyzing measured
signals using various processing techniques. In certain embodiments, the measured signals …
signals using various processing techniques. In certain embodiments, the measured signals …
Signal processing apparatus
MK Diab, E Kiani-Azarbayjany - US Patent 7,962,190, 2011 - Google Patents
Oct. 6, 1997, now Pat. No. 6,263,222, which is a tion, and a second signal, including a
second primary signal continuation of application No. 08/572,488, filed on portion and a …
second primary signal continuation of application No. 08/572,488, filed on portion and a …
Signal processing apparatus
MK Diab, ME Kiani, IM Elfadel, RJ McCarthy… - US Patent App. 10 …, 2004 - Google Patents
The present invention involves method and apparatus for analyzing two measured signals
that are modeled as containing primary and secondary portions. Coefficients relate the two …
that are modeled as containing primary and secondary portions. Coefficients relate the two …
Signal processing apparatus and method
MK Diab, ME Kiani - US Patent App. 10/095,586, 2004 - Google Patents
A signal processor which acquires a first signal, including a first desired signal portion and a
first undesired signal portion, and a second signal, including a second desired signal portion …
first undesired signal portion, and a second signal, including a second desired signal portion …
Signal processing apparatus
MK Diab, E Kiani-Azarbayjany, IM Elfadel… - US Patent …, 2004 - Google Patents
The present invention involves method and apparatus for analyzing two measured signals
that are modeled as containing primary and secondary portions. Coefficients relate the two …
that are modeled as containing primary and secondary portions. Coefficients relate the two …
Signal processing apparatus
MK Diab, E Kiani-Azarbayjany, IM Elfadel… - US Patent …, 2003 - Google Patents
The present invention involves method and apparatus for analyzing two measured signals
that are modeled as containing primary and secondary portions. Coefficients relate the two …
that are modeled as containing primary and secondary portions. Coefficients relate the two …