ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,798, issued on July 21, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus to determine a number of people in an area" was invented by Ranney Harrold Fry (Safety Harbor, Fla.) and Mark Richard Cave (Palm Harbor, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, systems and articles of manufacture are disclosed to determine the number of people at a location. An example apparatus includes a configuration changer to change a configuration setting of the base station to cause mobile devices to register with the base station, a registration manager to respond to registration requests received from the mobil...