ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,982, issued on Jan. 13, was assigned to SEIKO EPSON Corp. (Japan).
"Drive circuit and liquid ejecting apparatus" was invented by Rika Tanimoto (Matsumoto, Japan), Noritaka Ide (Shiojiri, Japan), Kunio Tabata (Shiojiri, Japan), Dai Nozawa (Matsumoto, Japan) and Satoru Uematsu (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drive circuit includes a modulation circuit that modulates a base drive signal that is a base of a drive signal for driving a drive section, and outputs a modulation signal, an amplification circuit that outputs a first amplified modulation signal obtained by amplifying the modulation signal, a level switching sig...