US Patent Issued to Delta Electronics (Shanghai) on Aug. 26 for "Power adapter with limited power source function and control method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,262, issued on Aug. 26, was assigned to Delta Electronics (Shanghai) Co. Ltd. (Shanghai).

"Power adapter with limited power source function and control method thereof" was invented by Kehua Ma (Shanghai), Daofei Xu (Shanghai) and Haitao Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power adapter includes a transformer, an output terminal, a secondary side circuit and a secondary side controller including an operational amplifier. The secondary side circuit includes a first switch, a second switch and a sampling resistor. The first switch is connected with a secondary winding of the transformer and the second switch. The second swi...