ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,315, issued on Aug. 5, was assigned to Space Exploration Technologies Corp. (Hawthorne, Calif.).
"Antenna apparatus and in-line calibration system for same" was invented by Ersin Yetisir (Redmond, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A calibration system includes a beamformer lattice including at least a first beamformer, the first beamformer corresponding to a first subset of antenna cells of a plurality of antenna cells including a plurality of feed lines extending between the first beamformer and each of the first subset of antenna cells, and the first beamformer including a first calibration section for comparing a reference signa...