ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,880, issued on July 8, was assigned to PSJ INTERNATIONAL LTD. (Tortola, British Virgin Islands).
"Spatial positioning method" was invented by Tzu-Yi Yang (Taoyuan, Taiwan), Meng-Lin Yu (Kaohsiung, Taiwan), Ju-Chin Chao (New Taipei, Taiwan) and Ruey-Beei Wu (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spatial positioning method is provided. The method includes steps of: dividing an activity space into a plurality of activity regions; selecting a plurality of positions in the activity space or within a distance range of the activity space as a plurality of base station candidate positions; predicting connection states between the pl...