US 12,257,858 B2
Printed material management system that provides a printed material identifier using invisible ink
Shintaro Komuro, Matsumoto (JP)
Assigned to Seiko Epson Corporation, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on May 25, 2023, as Appl. No. 18/323,679.
Claims priority of application No. 2022-087070 (JP), filed on May 27, 2022.
Prior Publication US 2023/0382148 A1, Nov. 30, 2023
Int. Cl. B42D 25/378 (2014.01); B41J 2/21 (2006.01); B41J 11/00 (2006.01); B41J 29/18 (2006.01); B42D 25/48 (2014.01)
CPC B42D 25/378 (2014.10) [B41J 2/2114 (2013.01); B41J 11/00218 (2021.01); B41J 11/0095 (2013.01); B41J 29/18 (2013.01); B42D 25/48 (2014.10)] 10 Claims
OG exemplary drawing
 
1. A printed material management system comprising:
a providing unit configured to provide to a printed material an identifier that includes an information about the printed material and that differs for each printed material, wherein the providing unit prints the identifier with invisible ink on the printed material and the identifier is visually recognizable under special light and invisible under normal light; and
a destroying device, wherein
the destroying device includes:
an irradiation unit configured to emit the special light,
an identification unit configured to read the identifier irradiated with the special light from the irradiation unit,
a detection unit configured to detect a deficiency of the printed material, and
a breaking unit configured to break down the printed material.