ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,250, issued on Nov. 4, was assigned to Seiko Epson Corp. (Tokyo).
"Liquid ejection apparatus and head unit" was invented by Makoto Miyazawa (Nagano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection apparatus includes an ejection head including a drive element driven by a drive signal and ejecting a liquid by driving the drive element, an ejection control circuit including a drive circuit that outputs the drive signal based on a base drive signal including a plurality of pieces of drive data, a main control circuit that outputs an ejection control signal including the base drive signal to the ejection control circuit, and a cable...