ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,441, issued on Jan. 27, was assigned to Rohm Co. Ltd. (Kyoto, Japan).
"Power supply semiconductor device and power supply apparatus with discharge control circuit" was invented by Natsuki Yamamoto (Kyoto, Japan) and Satoru Nate (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A full-rectified voltage of an alternating-current is generated on a target wiring, and another rectification voltage is fed to a first input terminal. A second input terminal is connected to the target wiring. A main capacitor is provided between a potential control terminal and the target wiring. A first switching element is provided between the potential control ...