ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,284, issued on April 29, was assigned to ELICHENS (Grenoble, France).
"Gas sensor comprising a pulsed light source" was invented by Helene Duprez (Seyssinet-Pariset, France) and Thanh Trung Le (Grenoble, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for measuring an amount of a gaseous species present in a gas, the gaseous species absorbing light in an absorption spectral band, comprises placing the gas between a light source and a measuring photodetector. The light source is configured to emit a light wave that propagates through the gas to the measuring photodetector. The light source is activated so as to illuminate the gas, so th...