ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,349, issued on May 13, was assigned to Lunar Energy Inc. (Mountain View, Calif.).
"Grid relay fault detection" was invented by Hai-Yue Han (San Jose, Calif.) and Andrew Diao (Santa Cruz, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grid relay state detector includes an AC (Alternating Current) signal source capacitively coupled to at least one grid relay. It further includes a current sensor that detects an amount of AC current flowing through the at least one grid relay. A state of the at least one grid relay is determined based at least in part on the detected amount of AC current."
The patent was filed on June 28, 2024, under Applicat...