Abrégé

In various embodiments, a device and a method for image recording are provided. The device may include a guiding device (1) configured to guide at least an object (2) in an object plane (1a), at least a driving device (3) configured to transport the object (2) in the object plane (1a) in a transport direction (4), an image plane (5), at least a contact image sensor including at least a light source (6) for illuminating of the object (2), at least a light-sensitive line-pixel array (7). The light-sensitive line-pixel array (7) is arranged in a direction transverse to the transport direction (4) and is arranged in the image plane (5), a control device (8) configured to control the light source (6) and/or the light-sensitive line-pixel array (7) and configured to determine a signal generated by the light-sensitive line-pixel array (7). The device may further include an optical device (9) arranged between the object plane (1a) and the image plane (5). The optical device (9) includes at least a plurality of rod lenses (10), wherein the rod lenses (10) are arranged in at least one row (14a, 14b) in the direction transverse to the transport direction (4) of the object (2). The optical device (9) is configured to guide a light beam (13) emitted from the light source (6) and partially reflected by the object (2) via at least the rod lenses (10) to the light-sensitive line-pixel array (7) and configured to broaden a sampling area in the transport direction (4) before the light beam incides at the light-sensitive line-pixel array (7).

Classes IPC  ?

• G07D 7/121 - Appareil caractérisé par les détails du détecteur
• G07D 7/20 - Vérification de motifs des papiers
• H04N 1/193 - Balayage simultané des éléments d'image sur une ligne principale de balayage utilisant des ensembles linéaires balayés électriquement

Abrégé

A device and a method for improving the reproducibility of recordings 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 drive device (3) configured to convey the object (2) in the object plane (1a) in a conveying direction (8); an image plane (5); at least one contact image sensor having at least one light source (4) for illuminating the object (2), a plurality of rod lenses (6) arranged between the object plane (1a) and the image plane (5) and arranged in succession in a direction transverse to the conveying direction (8) of the object (2); and at least one light-sensitive line pixel array (7) arranged in the image plane (5); a control device (9) configured to control at least the light source (4) and/or the light-sensitive line pixel array (7) and to acquire a signal produced by the light-sensitive line pixel array (7). A light emitted by the light source (4) can be at least partly scattered by the object (2) toward the rod lenses (6), be imaged by means of the rod lenses (6) and be incident on at least one region of the light-sensitive line pixel array (7). The light-sensitive line pixel array (7) may comprise a plurality of one-dimensional line pixel arrays (7a, 7b) which each extend in the direction transverse to the conveying direction (8) of the object (2), which are parallel to one another and which are arranged adjacently. Each line pixel array (7a, 7b) may have a length transverse to the conveying direction (8) of the object (2) which completely covers the object (2) to be sensed.

Classes IPC  ?

• H04N 1/191 - Dispositions de balayage utilisant des ensembles composés de plusieurs éléments l'ensemble comprenant un ensemble unidimensionnel
• H04N 1/04 - Dispositions de balayage