ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,713, issued on Feb. 10, was assigned to Medclair Sweden AB (Stockholm).
"Nitrous oxide sensor" was invented by Istvan Szabo (Boda Kyrkby, Sweden), Jerker Sundling (Borlange, Sweden) and Tomas Nyberg (Uppsala, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a gas sensor (100) comprising a measurement chamber (102) for measuring presence of a first gas, the first gas being nitrous oxide (N2O) and an optical source (103) for emitting radiation in the measurement chamber (102). The sensor also comprises a radiation detector (104) sensitive to radiation emitted by the optical source (103), the radiation being detect...