US Patent Issued to The Nielsen Company (US) on June 24 for "Methods and apparatus to extend a timestamp range supported by a watermark" (Maryland, Florida Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,342,054, issued on June 24, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus to extend a timestamp range supported by a watermark" was invented by Vladimir Kuznetsov (Ellicott City, Md.) and Alexander Topchy (New Port Richey, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, systems and articles of manufacture to extend a time range supported by a watermark are disclosed. Example watermark encoding apparatus disclosed herein determine which one of a plurality of timestamp cycles is to be represented by a timestamp of a watermark. Disclosed example apparatus also swap at least two symbols of the watermark ...