| 摘要 |
The invention relates to a device and a method for detecting characteristics of a flat item, particularly of a security. For this purpose, the device comprises at least one light source illuminating the item with light, at least one sensor detecting the light reflected and/or emitted by the item, wherein the sensor is a computer mouse sensor of an optical computer mouse, and a transport unit transporting the item relative to the light source and the sensor in the transport direction. |
