ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,649, issued on Nov. 18, was assigned to Dell Products LP (Round Rock, Texas).

"Impedance tuning of microstrip traces" was invented by Sandor Farkas (Round Rock, Texas) and Bhyrav Mutnury (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printed circuit board comprising a first connection pad coupled to a first portion of a microstrip trace and a second connection pad coupled to a second portion of the microstrip trace. The microstrip trace has a first impedance along the first portion and a second impedance along the second portion. The printed circuit board also includes a conductive plane on a top surface of the microstrip trace, whe...