ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,749, issued on July 1, was assigned to Tallinn University of Technology (Tallinn, Estonia).

"Device and method for measuring of the complex transfer function of an object" was invented by Paul Annus (Tallinn, Estonia), Raul Land (Tallinn, Estonia), Mart Min (Tallinn, Estonia), Olev Martens (Tallinn, Estonia), Marek Rist (Tallinn, Estonia) and Eiko Priidel (Tallinn, Estonia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is related to the field of measurement electronics and related to the measurement of complex transfer functions (e.g. of impedance), especially in the presence of large disturbances and for measuring of small changes of t...