The present invention extends to managing prepaid purchasing accounts and depositing funds therein. A kiosk and management system are connected over a network. The management system maintains purchasing accounts usable for multiple product or service purchases. To make a deposit, the consumer enters...http://www.google.com.hk/patents/US7600692?utm_source=gb-gplus-share專利 US7600692 - Systems and methods for managing and using prepaid purchasing accounts