ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,769, issued on Oct. 21, was assigned to Charter Communications Operating LLC (St. Louis).

"Methods and apparatus for discovering hidden network service set identifiers" was invented by Venkata Divvi (Centennial, Colo.) and Christopher Teague (Highlands Ranch, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The presentation invention relates to methods and apparatus for a mobile device to discover the hidden SSID of a network. An exemplary method embodiment includes the steps of: receiving, at the mobile device, a first beacon frame having a Service Set Identifier (SSID) field set to NULL from a first Access Point; determining, at the mobile dev...