ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,551, issued on Nov. 18.
"Switching power supply circuit" was invented by Shohtaroh Sohma (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An isolated switching power supply circuit is compact, high-efficiency, and low noise. It includes a transformer T1 which has a primary winding wound with NP turns and a secondary winding wound with NS turns, a drive switch Q1 and an active clamp switch Q2 configuring a primary side half-bridge, a boost capacitor CBULK1 that charges a discharge energy of the transformer, rectifier diodes D1 and D2 connected in series, a tank capacitor CT1, and an output capacitor COUT1. A secondary side winding voltage...