ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,619, issued on March 31, was assigned to Comcast Cable Communications LLC (Philadelphia).

"Content descriptor" was invented by Geetu Ambwani (Washington) and Robert Rubinoff (Potomac, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus, method, system and computer-readable medium are provided for generating one or more descriptors that may potentially be associated with content, such as video or a segment of video. In some embodiments, a teaser for the content may be identified based on contextual similarity between words and/or phrases in the segment and one or more other segments, such as a previous segment. Text/characters may serve ...