US Patent Issued to QUALCOMM on June 24 for "Differential blood pressure estimation based on two-dimensional plethysmography images" (Canadian Inventor)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,787, issued on June 24, was assigned to QUALCOMM Inc. (San Diego).

"Differential blood pressure estimation based on two-dimensional plethysmography images" was invented by Fitzgerald John Archibald (Richmond Hill, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some disclosed methods involve controlling, via a control system, a light source system to emit a plurality of light pulses into biological tissue, the biological tissue including blood and blood vessels at depths within the biological tissue. Such methods may involve receiving, by the control system, signals from the piezoelectric receiver corresponding to acoustic waves emitted from p...