ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,258, issued on March 17, was assigned to Honeywell International s.r.o. (Czech Republic).

"Optical sensor particulate classification using optical response signal analysis" was invented by Pavel Badin (Brno, Czech Republic), Viktor Drazan (Brno, Czech Republic) and Jan Popelka (Neslovice, Czech Republic).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system comprises a particle sensor for a vehicle comprising a light source that directs a beam to an interrogation region outside the vehicle; and an optical detector that receives scattered or reflected light from an aerosol particle in the interrogation region. A processor performs a method for part...