A symbology reader having a pair of optical sources for producing cursor beams. The cursor beams are emitted from two spaced apart locations on the reader and angled with respect to an image direction of a detector assembly within the reader. The cursor beams intersect at a desired object distance to...http://www.google.es/patents/US5598007?utm_source=gb-gplus-sharePatente US5598007 - Symbology reader with fixed focus spotter beam
