ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,787, issued on Oct. 21, was assigned to Senbiosys (Neuchatel, Switzerland).
"Adaptive light sensor" was invented by Assim Boukhayma (Neuchatel, Switzerland) and Antonino Caizzone (Milvignes, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor employs an adaptive light-to-digital conversion (LDC) system for high background signal applications. The system adapts the LDC resolution and the power consumption depending on the signal to background ratio. This scheme is of particular interest to photoplethysmography (PPG). The system can have a set of light-to-digital converters in which each of the light-to-digital converters includes an a...