ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,530, issued on May 27, was assigned to ELICHENS (Grenoble, France).

"Method for calibrating a gas sensor and method for measuring a gas using the calibration" was invented by Pierre Jallon (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for calibrating a gas sensor-for determining a gaseous species concentration in a gas, which species absorbs light in an absorption spectral band-the gas sensor includes a chamber for containing the gas; a light source through which a supply electrical current is passable to raise the light source to a temperature; a measurement photodetector for measuring-in a measurement spectral band c...