ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,027, issued on May 6, was assigned to Seiko Epson Corp. (Tokyo).
"Liquid discharging apparatus" was invented by Shinichi Yamada (Nagano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharging apparatus has: a discharging section that discharges a liquid when at least one of a first piezoelectric element and a second piezoelectric element is driven; In a first mode in which the driving signal is output from the second output portion, the switch control circuit controls the first switch so as not to create a continuity and controls the second switch so as to create a continuity. In a second mode in which the constant-voltage signal ...