US Patent Issued to Seiko Epson on Feb. 11 for "Printing apparatus, display method, and display system" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,912, issued on Feb. 11, was assigned to Seiko Epson Corp. (Tokyo).

"Printing apparatus, display method, and display system" was invented by Masahiro Owa (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printing apparatus includes a printing head that includes a plurality of nozzles, each of which ejects an ink pushed out from a pressure chamber by driving of an actuator, a display unit, a detector that generates a residual vibration in the pressure chamber by imparting, to the actuator, a predetermined drive signal that prevents the nozzle from ejecting the ink, and, based on the residual vibration, performs, for each of the plurality...