ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,355, issued on Dec. 23, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).

"Dual active bridge uninterruptible power supply circuit" was invented by Pierre Perichon (Grenoble, France), Charley Lanneluc (Grenoble, France) and Leo Sterna (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An uninterruptible power supply circuit in the form of a dual active bridge converter includes first terminals which are configured to be connected to a first AC electrical network, second terminals which are configured to be connected to a second AC electrical network, and third terminals which are configured to be c...