ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,538, issued on Dec. 23, was assigned to NEC Corp. (Tokyo).

"Free-space optical communication control system, free-space optical communication control apparatus, and free-space optical communication control method" was invented by Koya Takata (Tokyo), Atsushi Kamoi (Tokyo), Hisashi Mizumoto (Tokyo) and Masaki Aizono (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A free-space optical communication control system includes at least one processor. The at least one processor carries out: an interruption estimation process of estimating an interruption of free-space optical communication over a free-space optical communication network in accordance ...