ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,577, issued on April 8, was assigned to Comcast Cable Communications LLC (Philadelphia).
"Adaptive multicast streaming" was invented by Guy J. Grigsby (Denver), Carl Veazey (Longmont, Colo.) and Ian Eckart (Thornton, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, apparatuses, and methods are described for monitoring data transmitted and/or received via multicast transmission and, based on latency, segment loss, and/or other occurrence, modifying sources and/or other characteristics of additional data transmission. The data may be video segments of media content items. Sources of video segments can be changed based on comparisons of ra...