US Patent Issued to Seiko Epson on March 25 for "Printhead control circuit and liquid ejecting apparatus" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,830, issued on March 25, was assigned to Seiko Epson Corp. (Tokyo).

"Printhead control circuit and liquid ejecting apparatus" was invented by Kohei Kumamoto (Nagano, Japan) and Shuichi Nakano (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printhead control circuit outputs a first signal to a second wire while a first wire coupled to a first terminal is being supplied with a first voltage signal; outputs a second signal to the second wire coupled to a second terminal while the first wire is being supplied with a second voltage signal; outputs a third signal to the second wire while a third wire coupled to a third terminal is being s...