ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,904, issued on June 17, was assigned to PFU Ltd. (Kahoku, Japan).
"Medium conveying apparatus to detect multi-feed based on continuous overlap portion" was invented by Masaaki Sakai (Kahoku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A medium conveying apparatus includes a conveying roller to convey a medium, an overlap detection sensor, a processor to detect an overlap portion in which it is determined that an overlap has occurred on the medium based on a detection output by the overlap detection sensor for the medium conveyed by the conveying roller, calculate an overlap length where the overlap portion is continuous based on a detection...