ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,563,324, issued on Feb. 24, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Splitting apparatus, dual-mode ONU, optical network system, and communication method" was invented by Junqiao Wan (Shenzhen, China), Jun Zhang (Dongguan, China) and Liangwen Xie (Johannesburg).

According to the abstract* released by the U.S. Patent & Trademark Office: "A splitting apparatus provides M groups of ports and includes M splitting elements. Each splitting element includes at least one feeder end and N branch ends, where M=N+1. Each branch end of each splitting element is coupled to one branch end of another splitting element in the M splitting elements, where different branch ends...