US Patent Issued to Digital Signal Power Manufacturing on Sept. 23 for "Elevator backup power system and method" (California Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,873, issued on Sept. 23, was assigned to Digital Signal Power Manufacturing Inc. (San Bernardino, Calif.).

"Elevator backup power system and method" was invented by Rose Corona (Fontana, Calif.), Milton Hanson (Vista, Calif.) and Morteza Rezaei (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An emergency power system for providing emergency power to an elevator motor/generator is disclosed. The emergency power system comprises a battery backup, a static bypass switch operatively connected to the elevator motor/generator; and a power conditioning circuit. The power conditioning circuit may comprise a first circuit for directing power ...