US Patent Issued to PFU on June 9 for "Medium discharge device, control method, and control program" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,640, issued on June 9, was assigned to PFU Ltd. (Kahoku, Japan).

"Medium discharge device, control method, and control program" was invented by Kiichiro Shimosaka (Kahoku, Japan) and Syuichi Morikawa (Kahoku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a medium ejection apparatus, a control method, and a control program to enable precise determination of whether abnormal ejection of a medium has occurred. A medium ejection apparatus includes an ejection roller to eject a medium, a tray to stack the medium ejected by the ejection roller, a first optical sensor located above the ejection roller and including a first light emitter ...