An apparatus for currency discrimination comprises first and second stationary scanheads, disposed on opposite sides of a bill transport path, for scanning respective first and second opposing surfaces of a bill traveling along the bill transport path and for producing respective output signals. The...http://www.google.co.uk/patents/US20100276485?utm_source=gb-gplus-sharePatent US20100276485 - AUTOMATIC CURRENCY PROCESSING SYSTEM HAVING TICKET REDEMPTION MODULE
