ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,809, issued on July 21, was assigned to CANON K.K. (Tokyo).
"Power supply apparatus and image forming apparatus" was invented by Masaki Inagaki (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply apparatus including a switching element configured to supply or cut off electric power to a primary coil of a transformer by a switching operation, and a control unit configured to control the switching operation. The control unit is configured to perform intermittent control of repeating a switching period for performing the switching operation and a stop period for stopping the switching operation. In the switching period, when ...