Patent ID: 11913838
Assignee: SCREEN HOLDINGS CO., LTD.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 5:
6. An inspection device that inspect a printed image printed on a print surface of a transparent base material,
the printed image including
a process-color image that is formed by inks of a plurality of process colors, and
a non process-color image that is formed by an ink of a non-process color different from the plurality of process colors and that covers the process-color image, the inspection device comprising:

a background plate disposed on a print surface side of the transparent base material, the background plate having a background surface that faces the print surface of the transparent base material;
an imaging unit configured to image the transparent base material from another side of the transparent base material, the another side being opposite the print surface side; and
an inspection processing unit configured to inspect quality of the printed image based on a captured image obtained by the imaging unit, wherein
a color of the background plate is a color different from any of the plurality of process colors and the non-process color.