ALEXANDRIA, Va., July 9 -- United States Patent no. 12,356,121, issued on July 8, was assigned to NEC Corp. (Tokyo).

"Surveillance system with fixed camera and temporary cameras" was invented by Lei Li (Singapore) and Takeshi Arikuma (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surveillance system including a fixed camera and one or more temporary cameras and a control means coupled to the fixed camera and the one or more temporary cameras is disclosed. The control means is configured to extend coverage of the fixed camera using the one or more temporary cameras coupled to the fixed camera. Each of the one or more temporary cameras includes one or more sensors and is configured to be deployed ...