ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,217, issued on May 27, was assigned to CIRRUS LOGIC INC. (Austin, Texas).

"Frequency band avoidance in an on-demand switched-power converter circuit" was invented by Bryan W. McCoy (Phoenix), Siddharth Maru (Austin, Texas) and Alban Shemsedini (El Mirage, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method implemented by a control circuit reduces electromagnetic interference (EMI) generation in a switched-mode power supply. The power supply adjusts operating frequency in response to a change in operating condition, and the method avoids certain bands of frequencies, for which switching should be avoided to avoid generating EMI in the band(...