ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,861, issued on Feb. 10, was assigned to SPACE SHIFT INC. (Tokyo).

"Learning model, signal processor, flying object, and program" was invented by Naruo Kanemoto (Tokyo), Shigeki Kuzuoka (Tokyo) and Ryo Saito (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The purpose of the present invention is to provide a learning model, a signal processor, a flying object, and a program that enable appropriate observation of the situation of an observed object or the environment around the observed object. The learning model is learned by using teaching data with a first received signal as input, the first received signal being based on a reflected electroma...