ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,626, issued on Sept. 22.

"Precision stylus control system" was invented by Kurt Rubin (Santa Clara, Calif.), Chris Persico (Simi Valley, Calif.) and Oskar Amster (Milpitas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The system includes a processor configured to energize a pair of torque coils with a force signal to generate a magnetic force between the pair of torque coils and an internal magnet of a control arm disposed between the pair of torque coils. The control arm is connected to a probe arm, and the magnetic force causes the control arm and the probe arm to rotate about a pivot joint and causes a probe tip of the probe arm to cont...