ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,155, issued on Feb. 17, was assigned to SEIKO EPSON Corp. (Japan).

"Drive circuit and liquid ejecting apparatus" was invented by Noritaka Ide (Shiojiri, Japan), Kunio Tabata (Shiojiri, Japan), Dai Nozawa (Matsumoto, Japan), Rika Tanimoto (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 outputs a modulation signal, a level switching signal generation circuit that generates a level switching signal, an amplification level shift circuit that includes a first switching element and a second switching element that perform switching in response to the mo...