ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,323, issued on May 20, was assigned to Arizona Board of Regents on behalf of Arizona State University (Scottsdale, Ariz.).
"Authentication of identifiers by light scattering" was invented by Michael N. Kozicki (Phoenix).
According to the abstract* released by the U.S. Patent & Trademark Office: "Identifying a test pattern includes positioning a test pattern that includes a first multiplicity of particles that reflect or emit light in the field of view of a first imaging device; illuminating the test pattern with light from a first light source; obtaining, with the first imaging device, a first test image of light reflected by the first multiplicity of particles; and comparing the...