| 摘要 |
The present invention relates to an adapter for data tarnsmission between a mobile telephone and a data terminal, which adapter comprises a card and a cable, which card is provided to be connected to the data terminal, which cable is provided to be connected, on the one hand, to the mobile telephone and, on the other hand, to the card and wherein the telephone is provided with a generator for generating clock and synchronisation signals. According to the invention, the adapter comprises an interface which is provided, on the one hand, for receiving data characters from the card independently from said clock signals and for differentiating synch characters and data characters from each other and for transmitting each of the data characters in an assigned time slot to the telephone, and which interface is provided, on the other hand, for providing a predetermined number of clock signals to the card, under control of a synchronisation signal. |
