ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,066, issued on May 5, was assigned to 1FINITY INC. (Kawasaki, Japan).

"Method and apparatus for evaluating transmission impairments of multiplexing converter" was invented by Xiaofei Su (Beijing), Tong Ye (Beijing) and Zhenning Tao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and an apparatus for evaluating transmission impairments of a multiplexing converter. According to the method, impairments of a multiplexing converter are equivalent to the equivalent multiplicative noise and the equivalent additive noise, so as to allow evaluation of transmission impairments of the multiplexing converter, thereby to allow evaluation of the pe...