ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,214,594, issued on Feb. 4, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).
"Controller, head system, and printer" was invented by Hajime Usami (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A controller includes a plurality of control circuits configured to be connected to respective ones of a plurality of head units. Each head unit has a nozzle. The plurality of control circuits includes a first control circuit, a second control circuit connected to the first control circuit in series to perform communication, and a third control circuit connected to the second control circuit in series to perform communication. The first control circ...