ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,524,935, issued on Jan. 13.

"System and method for characterizing the multi-level PAM eye diagram" was invented by Donghong Wu (Union City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A software system and method are disclosed for characterizing multi-level Pulse Amplitude Modulation (PAMn) eye diagrams using integrated image processing, curve fitting, and statistical analysis. The system processes a photograph or digital file of a PAMn eye diagram, typically captured from a digital sampling oscilloscope, and converts it into a one unit interval (1UI) PAMn pattern. In this pattern, horizontal lanes and transition lane center curves are sampled...