Device for inspecting printed images
US11295428B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 30, 2016 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Jul 21, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30168
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for inspecting images is disclosed. In an embodiment an apparatus includes a camera for recording a surface of a printed product, the printed product being movable relative to the apparatus, a first illumination unit of a first type for illuminating a first partial region of a region that is capturable by the camera, a second illumination unit of a second type for illuminating a second partial region of the region that is capturable by the camera, and an evaluation unit for processing image information captured by the camera, wherein the first illumination unit differs from the second illumination unit, and wherein the first illumination unit forms a diffuse illumination source and has an internally illuminated tunnel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.