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Abstract

A device and method for improving the reproducibility of image captures are provided. The device comprises a guide device (1) configured to guide at least one object (2) in an object plane (1a); at least one driving device (3) configured to transport the object (2) in the object plane (1a) in a transport direction (8); an image plane (5); at least one contact image sensor comprising at least one light source (4) for illuminating the object (2); a plurality of rod-shaped lenses (6) arranged between the object plane (1a) and the image plane (5) and in a row along a direction transverse to the transport direction (8) of the object (2); and at least one light-sensitive in-line pixel array (7) arranged in the image plane (5); a control device (9) configured to control at least one of the light source (4) and the light-sensitive in-line pixel array (7) and to capture a signal generated by the light-sensitive in-line pixel array (7). A light emitted from the light source (4) may be at least partially scattered by the object (2) toward the rod-shaped lenses (6), imaged by means of the rod-shaped lenses (6), and incident on at least a region of the light-sensitive in-line pixel array (7). The photosensitive in-line pixel array (7) may comprise a plurality of one-dimensional in-line pixel arrays (7a, 7b), each extending along the direction transverse to the transport direction (8) of the object (2), arranged parallel to each other and adjacent to each other. Each in-line pixel array (7a, 7b) may comprise a length transverse to the transport direction (8) of the object (2) that completely covers the object (2) to be captured.

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First Claim