ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,569, issued on March 25, was assigned to FURUNO ELECTRIC COMPANY Ltd. (Hyogo, Japan).
"Demodulation device and demodulation method" was invented by Daisuke Kimura (Ashiya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A demodulation device includes a phase rotation module, a phase adjustment module, a phase comparison module, and a reference signal generation module. The phase rotation module rotates phases of an I-Phase signal and a Q-Phase signal in a received signal of a multilevel PSK signal using a reference signal. The phase adjustment module adjusts the phases of the phase rotated I-Phase signal and the phase rotated Q-Phase signal ou...