A hands-free scanning system for reading indicia having parts of different light reflectivity, including a housing having a window and an actuatable electro-optical scanner in the housing for projecting a light beam through the window to indicia to be read, for scanning the indicia. The system further...http://www.google.de/patents/US5191197?utm_source=gb-gplus-sharePatent US5191197 - Arm mounted scanner actuatable by hand movement
