ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,872, issued on May 19, was assigned to NEWSOUTH INNOVATIONS PTY Ltd. (Sydney).

"Outdoor photoluminescence imaging of photovoltaic arrays via optical string modulation" was invented by Oliver Kunz (Sydney), Germain Antoine Rey (Sydney), Thorsten Trupke (Sydney) and Mattias Juhl (Sydney).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus are presented for determining data indicative of a photoluminescence (PL) response to solar irradiation from at least one photovoltaic module in a first string of series-connected modules that is one of a plurality of parallel-connected strings connected to an operating inverter. Two or more signals fr...