ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,056, issued on Aug. 12, was assigned to Gracenote Korea Ltd. (Seoul, South Korea).
"System and method for surveying broadcasting ratings" was invented by Hoon-Young Cho (Seongnam, South Korea), Kil-youn Kim (Seoul, South Korea) and Jaehyung Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method in which a TV signal reception device (e.g., set top box) receives a broadcast signal, sends the broadcast signal to a TV, and sends an event signal to a rating statistics information server or associated user terminal when a predetermined condition occurs, to ultimately cause an associated user terminal to generate fingerp...