ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,490, issued on July 22, was assigned to SAFRAN (Paris).

"Method and device for physically measuring environmental and operational conditions" was invented by Rafik Hadjria (Moissy-Cramayel, France), Oscar D'Almeida (Moissy-Cramayel, France), Minh Chau Phan Huy (Moissy-Cramayel, France) and Nassim Salhi (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for measuring temperature and deformation of a part or structure on the basis of a single line of optical fiber having a single Bragg rating is provided. The method includes: interrogating the optical fiber based on two sampling frequencies; one being a low frequency and ...