A bar code scanner and method for scanning a bar code symbol that splits a light beam using a liquid crystal device and directs the split light beams toward a bar code symbol using a moveable mirror. The light reflected by the symbol from each of the split light beams is summed and converted to an electrical...http://www.google.fr/patents/US6247648?utm_source=gb-gplus-shareBrevet US6247648 - Bar code scanner utilizing multiple light beams output by a light beam splitter
Bar code scanner utilizing multiple light beams output by a light beam splitter
