US Patent Issued to Rockley Photonics on Aug. 19 for "Optical sensor module for speckleplethysmography (SPG) and photoplethysmography (PPG)" (California Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,117, issued on Aug. 19, was assigned to Rockley Photonics Ltd. (Altrincham, Great Britain).

"Optical sensor module for speckleplethysmography (SPG) and photoplethysmography (PPG)" was invented by Kate LeeAnn Bechtel (Pleasant Hill, Calif.), James McMillan (Santa Monica, Calif.), Farzaneh Afshinmanesh (Pasadena, Calif.) and Cody Dunn (Costa Mesa, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical sensor module for measuring both speckleplethysmography (SPG) and photoplethysmography (PPG) signals at human or animal tissue, the optical sensor module comprising:a first light source, for illuminating the tissue for use with SPG measurements...