ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,296, issued on Aug. 4, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus to model on/off states of media presentation devices based on return path data" was invented by Jonathan Sullivan (Hurricane, Utah), Katya Sotiris (Columbia, Md.), Neung Soo Ha (Bethesda, Md.) and Balachander Shankar (Tampa, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus to model on/off states of media presentation devices based on return path data are disclosed. An apparatus includes a memory and processor circuitry to execute instructions stored in the memory to: generate a probability distribution of actual durations of fir...