US Patent Issued to MITSUBISHI ELECTRIC on May 19 for "Harmonic mixer" (Japanese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,875, issued on May 19, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Harmonic mixer" was invented by Shinya Yokomizo (Tokyo), Sho Ikeda (Tokyo) and Yoshiaki Morino (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a harmonic mixer including N transistors, an RF terminal, N LO terminals, an IF terminal, a series resonant circuit, and an IF matching circuit, in which when the RF frequency of a high frequency signal is identical or close to the maximum oscillation frequency of the transistors, the impedance seen from the IF terminal toward an output terminal at the RF frequency becomes low, and the impedance seen from the IF termi...