A compact laser module (1) for reading optical codes including a scanning illumination section having at least one source (8) for generating a laser beam and a scanner (9, 10) for scanning the optical code (C) to be read with a laser spot, and a receiving section (20–24) for collecting at least a portion...http://www.google.co.uk/patents/US7131590?utm_source=gb-gplus-sharePatent US7131590 - Laser module for reading optical codes
