ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,421, issued on July 21, was assigned to NEC Corp. (Tokyo).

"Obstacle monitoring system, obstacle monitoring apparatus, obstacle monitoring method" was invented by Shingo Yamanouchi (Tokyo), Toshiyuki Nomura (Tokyo), Junichi Abe (Tokyo), Hidemi Noguchi (Tokyo), Yoshimasa Ono (Tokyo) and Tatsuya Fujimoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An obstacle monitoring system includes: a sensing means; a first obstacle detection means; and a control means for selectively executing a plurality of control modes including a first control mode in which a moving speed of a moving body is a first moving speed and a sensing field of view of the se...