The present invention provides an apparatus and method for moving playing cards from a first group of cards into a second group of cards, wherein the second group of cards is randomly arranged or shuffled. The apparatus comprises a card receiver for receiving the first group of cards, a single stack...http://www.google.com.tw/patents/US7255344?utm_source=gb-gplus-share專利 US7255344 - Device and method for continuously shuffling and monitoring cards