Apparatus and methods for translation processing. The apparatus may be a transaction system including a keypad, a circuit for interacting with the transaction customer and a link communicatively connecting the keypad and the customer-interaction circuit. The cashier may interact with the keypad, while...http://www.google.com.hk/patents/US7407095?utm_source=gb-gplus-share專利 US7407095 - IPOS transaction terminal