ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,613, issued on April 14, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Amplitude and phase control device, amplitude and phase control method, amplification device, and radio transmitter" was invented by Ao Yamashita (Tokyo), Hiroto Sakaki (Tokyo), Nobuhiko Ando (Tokyo) and Hideyuki Nakamizo (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An amplitude and phase control device includes a signal dividing unit to divide a transmission signal into first and second signals and output the first and second signals to a Doherty amplifier, an error calculating unit to acquire, from the Doherty amplifier, a synthesized signal of first and second ...