ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,279, issued on Aug. 4, was assigned to NBCUniversal Media LLC (New York).

"Flexible broadcast system and method" was invented by Glenn A. Reitmeier (Yardley, Pa.), Rajan Mehta (Stamford, Conn.), Harold Douglas Lung (Honomu, Hawaii) and Sheau Ng (Wayland, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Broadcasts over designated bands of the radiofrequency spectrum allow for flexible use of the spectrum as well as for the receipt of return signals from receivers. To obtain return signals, information indicating one or more return channels and/or one or more return time windows may be sent with the broadcast transmission. The broadcast transmissio...