ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,780, issued on March 4, was assigned to ALPS ALPINE Co. LTD. (Tokyo).
"Printing system and sub printer" was invented by Seiichiro Saito (Miyagi, Japan) and Naoki Saito (Miyagi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A printing system includes: a main printer configured to print an image sheet by sheet; a sub printer communicably connected to the main printer and configured to print an image sheet by sheet; and a storage medium that is configured to store image data of a plurality of images and from which the main printer is able to read out the image data. In response to changing of a state of the sub printer, the sub printer notifies ...