ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,348, issued on June 30, was assigned to Enphase Energy Inc. (Petaluma, Calif.).

"Methods and apparatus for controlling switch gate logic in a power converter" was invented by Damon Charles Cayford (Lyttelton, New Zealand), Michael J. Harrison (Petaluma, Calif.) and Rick Sanders (Wellington, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cycloconverter configured for use with a power converter is provided herein and comprises a bidirectional switch operable in a first mode of operation when an AC mains voltage is equal to or greater than a predetermined voltage and a second mode of operation when the AC mains voltage is less than the pr...