US Patent Issued to NTT on Oct. 20 for "Mixer" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,295, issued on Oct. 20, was assigned to NTT INC. (Tokyo).

"Mixer" was invented by Teruo Jo (Tokyo), Daisuke Kitayama (Tokyo), Hiroyuki Takahashi (Tokyo) and Takeshi Sakamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mixer includes a transistor to which an IF signal of ae positive phase side is input, a transistor to which an IF signal of a negative phase side is input, a transistor to which an LO signal is input, and a synthesizer which synthesizes components of a RF frequency band output from the drain terminals of the transistors in a negative phase, and synthesizes components of an IF frequency band output from the drain terminals o...