US Patent Issued to Digimarc on July 7 for "Generating and reading optical codes with variable density to adapt for visual quality and reliability" (Oregon Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,675,656, issued on July 7, was assigned to Digimarc Corp. (Beaverton, Ore.).

"Generating and reading optical codes with variable density to adapt for visual quality and reliability" was invented by Brett A. Bradley (Portland, Ore.), Vojtech Holub (Portland, Ore.) and Hugh L. Brunk (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The parameters of an optical code are optimized to achieve improved signal robustness, reliability, capacity and/or visual quality. An optimization program can determine spatial density, dot distance, dot size and signal component priority to optimize robustness. An optical code generator employs these parameters to...