A device for scanning and/or recognizing one or more barcodes includes a laser light source for transmitting laser light; a rotatable polygonal mirror for reflecting the transmitted laser light; a number of fixedly disposed flat mirrors for reflecting laser light; a pick-up element for picking up laser...http://www.google.de/patents/US20060151609?utm_source=gb-gplus-sharePatent US20060151609 - Device for reading a barcode