US 10,717,269 B2 · Print quality examination device

Abstract

A print quality examination device is provided in a printing machine (1) provided with a printing unit (3) that performs printing on a mirror-reflection member (5a) of a sheet (5) to which the mirror-reflection member (5a) is added. The print quality examination device of the printing machine is provided with an examination camera (18a) that images a picture printed on the sheet (5), a light source (18h) that irradiates the sheet (5) with light, and a print quality examination unit (18g) that examines the quality of the picture printed by the printing unit (3) based on image data imaged by the examination camera (18a). The examination camera (18a) or the light source (18h) is configured to be movably supported on an arc about a detection point (P) imaged by the examination camera (18a) for the sheet (5).

Claims3

Dependent claims

A printing-quality checking device provided to a printing press including a printing unit that performs printing on a specular reflection member provided to a printed product, the printing-quality checking device including:

a light source that applies light to the printed product;
an imaging device that images a pattern printed on the printed product;
and
a printing-quality checking unit that checks quality of the pattern printed by the printing unit, based on image data captured by the imaging device,
the printing-quality checking device characterized in that
the imaging device or the light source is supported to be movable along an arc centered at a detection point on the printed product imaged by the imaging device.

3 more elements

Dependencies are inferred from the claim text.

Print quality examination device

Life of this patent

Print quality examination device

Life of this patent

Abstract

Claims3