US Patent Issued to Dell Products on Sept. 29 for "Power adapter device with input power detection" (Taiwanese, American Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,980, issued on Sept. 29, was assigned to Dell Products LP (Round Rock, Texas).

"Power adapter device with input power detection" was invented by Andrew T. Sultenfuss (Leander, Texas), Chi Che Wu (Taipei, Taiwan) and Wei-Cheng Yu (New Taipei City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power adapter device includes a rectifier bridge, a transformer, and a power delivery integrated circuit (PD IC). The rectifier bridge includes input terminals that receive an alternating current (AC) voltage for the power adapter device, and output terminals. The transformer includes a primary side that is coupled to one of the output terminals of th...