ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,716, issued on Feb. 10, was assigned to The Swatch Group Research and Development Ltd (Marin, Switzerland).
"Device for measuring the humidity in the internal volume of a watch case" was invented by Hicham Farah (Sonceboz-Sombeval, Switzerland) and Pierpasquale Tortora (Neuchatel, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for measuring the humidity in the internal volume of a case of a watch, which device includes a watch including a case housing an optical system, the optical system including a transmitter transmitting a light beam, a multi-pass cell through which the light beam is intended to pass, and a receiver intended...