US Patent Issued to AT&T Intellectual Property I on Sept. 23 for "Passive location change detection system for mobility networks" (Washington, California Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,803, issued on Sept. 23, was assigned to AT&T Intellectual Property I LP (Atlanta).

"Passive location change detection system for mobility networks" was invented by Leslie Leonard (Lynnwood, Wash.), Rajendra Prasad Kodaypak (Sammamish, Wash.), Marc Sather (Kingston, Wash.) and Qingmin Hu (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the subject disclosure may include, for example, identifying positioning information associated with a wireless communication device, determining a current location of the wireless communication device based on the positioning information, detecting a location change based on the current locatio...