US 12,330,903 B2
Medium conveyance device, control method, and control program
Hiroyuki Kitano, Kahoku (JP); Seiichi Takeda, Kahoku (JP); and Tomohiro Murakami, Kahoku (JP)
Assigned to PFU LIMITED, Kahoku (JP)
Appl. No. 18/252,595
Filed by PFU LIMITED, Kahoku (JP)
PCT Filed Jan. 13, 2021, PCT No. PCT/JP2021/000897
§ 371(c)(1), (2) Date May 11, 2023,
PCT Pub. No. WO2022/153408, PCT Pub. Date Jul. 21, 2022.
Prior Publication US 2024/0002181 A1, Jan. 4, 2024
Int. Cl. B65H 7/12 (2006.01); B65H 7/08 (2006.01)
CPC B65H 7/125 (2013.01) [B65H 7/08 (2013.01); B65H 2553/30 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A medium conveyance apparatus comprising:
a storage device to store in advance region information of a predetermined region in a medium;
a feed roller to feed the medium; and
a processor to
detect an amount of slant of the fed medium,
detect region information of a region in which overlap has occurred in the fed medium,
correct the detected region information based on the amount of slant, and
determine that multi-feed of the medium has occurred if the corrected region information does not correspond to the stored region information and determine that multi-feed of the medium has not occurred if the corrected region information corresponds to the stored region information.