US Patent Issued to FDX on March 25 for "Backup power supply device and method for controlling backup power supply device" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,477, issued on March 25, was assigned to FDX Corp. (Tokyo).

"Backup power supply device and method for controlling backup power supply device" was invented by Katsuhiko Tamaki (Tokyo), Yasuyuki Katsube (Tokyo) and Naoaki Konda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a backup power supply that efficiently supplies power under the control of a microcomputer. The backup power supply is charged by a rectifier for generating power of a predetermined voltage, and supplies power to a load device operating with power supplied from the rectifier when the supplied power is insufficient. The backup power supply includes a secondary b...