ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,809, issued on Aug. 4, was assigned to Seiko Epson Corp. (Tokyo).
"Head unit and liquid dispensing apparatus" was invented by Makoto Miyazawa (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a head unit including a unit temperature detection circuit configured to output a unit temperature signal including unit temperature information indicating a temperature of the head unit, a print head configured to dispense liquid when receiving a drive signal, a dispensing counter configured to count a dispensing timing of the liquid from the print head, and a temperature information output circuit configured to acquire a temperature s...