US Patent Issued to GOOGLE on Feb. 24 for "Wearable computing device having a control circuit to detect aggressors affecting photoplethysmography (PPG) data" (California Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,032, issued on Feb. 24, was assigned to GOOGLE LLC (Mountain View, Calif.).

"Wearable computing device having a control circuit to detect aggressors affecting photoplethysmography (PPG) data" was invented by Sachin Prakash Nadig (San Francisco) and Isaac Chase Novet (Escondido, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable computing device includes a PPG sensor that includes an emitter configured to output a light signal that is modulated with a carrier signal to generate a modulated light signal. The PPG sensor further includes one or more detectors configured to receive a first reflected light signal that is a reference signal o...