| 摘要 |
The system (1) involves at least one terminal (2.i (i = 1,2,3,4 ...n)), (n) being a natural number, such as 5. The first terminal (2.2) is an automatic cash machine. The third and fourth terminals (2.3,2.4) are lap tops, each connected (4) with the internet (6). The third and fourth terminals can be installed in an intermediate. The fifth terminal (2.5) is a mobile telephone. The system incorporates a number of wireless smart cards (8.j (j = 1,2,3,...n), (n) being a natural number. Each card has a micro-processor (10) connected to a memory (12) and an ultra wide band receiver (14), also connected to the micro-processor. Each terminal is also provided with an ultra wide band unit (16) with a transmitter and a receiver. The mobile telephone (2.5) is able to communicate with the mobile telephone network (18). |
