US Patent Issued to The Nielsen Company (US) on May 20 for "Client identifier watermarks in media signals" (Florida Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,466, issued on May 20, was assigned to The Nielsen Co. (US) LLC (New York).

"Client identifier watermarks in media signals" was invented by Khaldun Karazoun (Tampa, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Client identifier watermarks in media signals are disclosed. An example apparatus to watermark a multilayered file includes a watermark storage to store media identifiers. The example apparatus also includes an encoder to encode a first bit sequence in the media file on a first encoding layer of a multilayered watermark, the first bit sequence to include a client identifier of a client associated with the media file, and encode a second...