A bioptical laser scanning system employing a plurality of laser scanning stations about a two independently controlled rotating polygonal mirrors. The system has an ultra-compact construction, ideally suited for space-constrained retail scanning environments, and generates a 3-D omnidirectional laser...http://www.google.co.uk/patents/US20050061888?utm_source=gb-gplus-sharePatent US20050061888 - Bioptical laser scanning system providing 360 degree of omnidirectional bar code symbol scanning coverage at point of sale station