US Patent Issued to The Nielsen Company (US) on April 7 for "Signature retrieval and matching for media monitoring" (Florida Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,349, issued on April 7, was assigned to The Nielsen Co. (US) LLC (New York).

"Signature retrieval and matching for media monitoring" was invented by Daniel Nelson (Tampa, Fla.), Venugopal Srinivasan (Palm Harbor, Fla.), Arun Ramaswamy (Tampa, Fla.), Raghuram Ranganathan (Tampa, Fla.) and Kenneth William McArthur (Dunedin, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example apparatus disclosed herein are to obtain a first hash key, a second hash key and a third hash key representative of first reference media in response to a first query of a first table, the second hash key associated with a second time preceding a first time associated with...