US Patent 7131590 Laser module for reading optical codes

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 of the light diffused by the code (C) and detecting the collected light, the receiving section and the scanning illumination section being spatially distinct.