ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,001, issued on Oct. 20, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).
"Phase shifter, antenna unit, and base station" was invented by Yuesong Wang (Beijing), Zhiming Tian (Beijing), Zhongliang He (Beijing) and Jianlan Li (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A phase shifter, an antenna unit, and a base station are disclosed. According to an embodiment, the phase shifter includes a first plate and a second plate slidable relative to the first plate. Two parallel microstrip lines are provided on a first surface of the first plate. A means electrically coupled to the two parallel microstrip lines is provided on a...