ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,004, issued on June 3, was assigned to Digimarc Corp. (Beaverton, Ore.).
"Embedding signals in a raster image processor" was invented by Tomas Filler (Beaverton, Ore.), Alastair M. Reed (Lake Oswego, Ore.) and John F. Stach (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Image processing technology embeds signal (e.g., digital watermarks) within imagery during a raster image process(or). One claim recites: an image processing method of embedding a signal within imagery using a raster image processing (RIP), comprising: obtaining a plurality of elements representing a signal; and modulating a plurality of print structures within the RIP...