ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,720, issued on July 21, was assigned to DISH Technologies LLC (Englewood, Colo.).

"Systems and methods for picture quality monitoring" was invented by Gregory H. Greene (Littleton, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A receiving device performs an action that results in a corrective measure being taken to address a picture quality issue detected in real time in the frames currently being displayed on a television or other device. The receiving device or a remote system compares indications of video frames currently being displayed to stored video frames for that program to detect macroblocking or a frozen video frame. The macroblock...