ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,969, issued on March 18, was assigned to Comcast Cable Communications LLC (Philadelphia).

"Analyzing user activity" was invented by Tianwen Chen (McLean, Va.), Hongcheng Wang (Arlington, Va.), Ding Zhou (New York) and Yonatan Vaizman (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "At least one device can be classified based on user activity. At least one telemetry variable with respect to time may be received for the at least one device. The at least one telemetry variable with respect to time may be used to determine an activity model for the at least one device. Based on the activity model, a probability of the at least one device belo...