A coin sorting apparatus (S) has a presorting unit (A) and two main sorting units (B1, B2). The presorting unit (A) sorts mixed coins into three groups (large coin group, medium coin group, small coin group). The main sorting units (B1, B2) sort by denomination coins of the two groups (medium coin group,...http://www.google.de/patents/US6783452?utm_source=gb-gplus-sharePatent US6783452 - Coin assorter and coin inputting device
