Method and device for quality assurance of flat printed products
The printed product (3) placed on a support element (2) is illuminated by light sources (4-6,12). Several images (7a-9a) of structural elements (3a-3d) of illuminated print product are recorded by image recording units (7-9) that are connected to an evaluation unit (20). The actual geometry of print...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The printed product (3) placed on a support element (2) is illuminated by light sources (4-6,12). Several images (7a-9a) of structural elements (3a-3d) of illuminated print product are recorded by image recording units (7-9) that are connected to an evaluation unit (20). The actual geometry of printed product is determined based on image data of structural elements. The actual geometry values of printed product and support element are compared with preset geometry values by evaluation unit. The processing of printed product is controlled based on comparison results. An independent claim is included for device for quality inspection of flat printed product. |
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