ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,174, issued on Feb. 17, was assigned to REALTEK SEMICONDUCTOR Corp. (Hsinchu, Taiwan).
"Voltage selector device" was invented by Yu-Chen Hsieh (Hsinchu, Taiwan) and Tsung-Yen Tsai (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A voltage selector device includes a control circuit and a selection circuit. The control circuit is configured to adjust a level of a control node according to a power enable signal, a first supply voltage, and a second supply voltage. When the first supply voltage is powered up and the second supply voltage is not powered up, the control circuit adjusts the level of the control node to a first level, and whe...