ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,016, issued on June 10, was assigned to AMBIT MICROSYSTEMS (SHANGHAI) LTD. (Shanghai).
"Power supply device and method" was invented by Yu-Hu Yan (New Taipei, Taiwan) and Ming-Feng Liu (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply device includes a first battery and a second battery, and a first switching unit, configured to select the first battery to supply power to a load; a second switching unit, configured to select the second battery to supply power to the load; a processing unit, configured to detect power of the first battery and the second battery; when the power of the second battery is greater than a fi...