ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,216, issued on March 18, was assigned to RHAS TEL Co. LTD. (Seoul, South Korea).
"Apparatus and method for hearing analysis" was invented by Hongwoon Rha (Seoul, South Korea) and Sanghoon Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method for hearing analysis including a frequency setting part for setting a predetermined frequency at which there is a possibility of tinnitus of the subject; a signal generation part generates a pure tone signal of the set frequency and increase or decrease the level of the generated pure tone signal, and generates a complex tone signal including the frequency of the pure to...