ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,615, issued on July 14, was assigned to Google LLC (Mountain View, Calif.).

"Tunable digitally controlled oscillator" was invented by James Christian Salvia (Belmont, Calif.) and Meisam Heidarpour Roshan (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for a tunable digitally controlled oscillator. In one aspect, an apparatus includes one or more lattices of delay stages. Multiple, different paths may be selected through the lattices. Each path begins at a first delay stage with an input connected to a signal input node and ends at a second delay stage with an output connected to a signal output node."

The paten...