US Patent Issued to EATON INTELLIGENT POWER on June 2 for "Frequency regulation in an AC power supply system" (Finnish Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,940, issued on June 2, was assigned to EATON INTELLIGENT POWER Ltd. (Dublin).

"Frequency regulation in an AC power supply system" was invented by Aleksi Mikael Karjalainen (Espoo, Finland), Janne Mikael Paananen (Jyvaskyla, Finland) and Tuomo Matias Kohtamaki (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for frequency regulation in a AC power supply system is disclosed, wherein the system comprises an uninterruptible power supply being electrically connected to the AC power supply system and comprising a phase-locked loop and/or a frequency-locked loop for monitoring the frequency of an AC input voltage received from the AC power ...