ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,538, issued on July 21, was assigned to Electronics and Telecommunications Research Institute (Daejeon, South Korea).

"Broadcast signal transmission device and broadcast signal transmission method which use broadcast signal frame for signaling reduced carrier coefficient" was invented by Jae-Young Lee (Daejeon, South Korea), Sun-Hyoung Kwon (Daejeon, South Korea), Sung-Ik Park (Daejeon, South Korea) and Nam-Ho Hur (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for transmitting a broadcast signal according to an embodiment of the present invention includes a bootstrap generation unit for generating a bootstrap for s...