US 11,811,991 B2
Apparatus, method for controlling the apparatus, and storage medium
Yoshiro Tachibana, Tokyo (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Oct. 6, 2020, as Appl. No. 17/064,380.
Claims priority of application No. 2019-187545 (JP), filed on Oct. 11, 2019.
Prior Publication US 2021/0112171 A1, Apr. 15, 2021
Int. Cl. H04N 1/04 (2006.01); H04N 1/00 (2006.01); H04N 1/387 (2006.01); B65H 29/14 (2006.01)
CPC H04N 1/00718 (2013.01) [B65H 29/14 (2013.01); H04N 1/0057 (2013.01); H04N 1/0071 (2013.01); H04N 1/3878 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a conveyance unit configured to convey a plurality of documents stacked on a stacking unit;
a reading unit configured to read a document conveyed by the conveyance unit; and
a detection unit configured to detect a skew of a document being conveyed,
an issuing unit configure to issue, in a case where the detection unit detects signals corresponding to the skew of the document being conveyed, a notification of a possibility of presence of documents having different sheet sizes in the plurality of stacked documents.