ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,962, issued on June 3, was assigned to FDK Corp. (Tokyo).
"Power supply system and electricity storage device" was invented by Kunihisa Sekiguchi (Tokyo) and Naoaki Konda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "When DC power to be supplied from a main power supply device drops and a voltage to be input to a load falls below a predetermined threshold value, a microcomputer controls a switch unit so as to start an ON-operation for supplying the DC power from a sub power supply device to the load, and when the DC power to be supplied from the main power supply device recovers, the microcomputer controls the switch unit so as to start an OF...