An accounting apparatus has a money input, by which a user can input an amount of money into the apparatus. A receiver receives a body of information transmitted over a communication medium, and a register is arranged to store at least two data received with such body of information. A control unit processes...http://www.google.se/patents/US6272535?utm_source=gb-gplus-sharePatent US6272535 - System for enabling access to a body of information based on a credit value, and system for allocating fees
