ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,983, issued on Jan. 13, was assigned to CANON K.K. (Tokyo).
"Head substrate, liquid discharge head, and liquid discharge apparatus" was invented by Yasuo Fujii (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head substrate including a liquid discharge element for discharging a liquid, the head substrate comprising a functional unit configured to realize a predetermined function, and a communication input unit to which communication data is to be inputted, wherein the communication data includes a first portion for setting a function of the functional unit and a second portion for controlling a supply of current to the functional un...