A currency evaluation device for receiving a stack of U.S. currency bills and rapidly evaluating all the bills in the stack comprises an input receptacle adapted to receive a stack of U.S. currency bills of a plurality of denominations to be evaluated. According to one embodiment, a transport mechanism...http://www.google.ca/patents/US7536046?utm_source=gb-gplus-sharePatent US7536046 - Method and apparatus for currency discrimination and counting
