Patent ID: 10074025

Abstract:
A device for reading and decoding paper or non-paper documents (12) including micro-perforated or “watermark” patterns and graphic patterns is provided. The device comprises at least one image sensor (11) having a light flashing means (33, 44) arranged to flash first light signals on a first side (12a, 12b) of a document (12), and image sensor reading means (31, 41) arranged to read the first light signals reflected by the graphic patterns (6, 7). The device further comprises at least one array of infrared light emitting means (14, 24) located in front of said image sensor (11) and arranged to flash second light signals on a second side (12b) of the document (12) whereby image sensor reading means (31, 41) are arranged to read the infrared light signals passing through the micro-perforated or “watermark” patterns (5).