ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,393, issued on March 3, was assigned to RICOH COMPANY LTD. (Tokyo).

"Sheet conveying device, automatic document feeder, and image forming apparatus" was invented by Yosuke Iida (Kanagawa, Japan), Yusuke Nakai (Kanagawa, Japan), Chisa Kato (Kanagawa, Japan), Hiroyuki Kuno (Kanagawa, Japan) and Yotaro Mizuno (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet conveying device includes a conveyor, a sound collector, and circuitry. The conveyor conveys a sheet. The conveyor conveys a sheet in a sheet conveyance direction. The sound collector collects an operating sound generated by a conveyance of the sheet. The circuitry is to extra...