US Patent Issued to Seiko Epson on June 16 for "Liquid discharge apparatus and method for driving liquid discharge apparatus" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,443, issued on June 16, was assigned to Seiko Epson Corp. (Tokyo).

"Liquid discharge apparatus and method for driving liquid discharge apparatus" was invented by Asami Okamoto (Matsumoto, Japan) and Akira Miyagishi (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first drive signal includes a first drive pulse that displaces a first piezoelectric element in a first period of a drive cycle, a second drive signal includes a first reference potential maintaining element that maintains a reference potential in a first start period including a start point of the drive cycle, a first potential maintaining element that maintains a first po...