ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,473, issued on Dec. 23, was assigned to National Central University (Taoyuan, Taiwan).

"Apparatus and method for removing fixture effect" was invented by Jim-Wei Wu (Taoyuan, Taiwan), Bo-Jun Chen (Taoyuan, Taiwan) and Shih-Hao Chien (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method for removing fixture effect are disclosed herein. The device processes the calibration scattering parameters of the 2x-Thru calibration fixture pair through a time domain algorithm. The algorithm consists of time domain gating and ringing data processing to obtain partial S-parameters corresponding to the fixtures on each side of the ...