| 摘要 |
<p>A telecommunication system is provided for enabling call time to be sold in a motor vehicle. The system comprises a cellular telephone (10), a cradle (12) for the cellular phone and a control unit (16). The control unit includes a control (36) for selecting a period of time for which the cellular phone call be used. A further control (38) enables the selected period to be entered. The selected period is displayed on an array of lights (44, 46, 48, 50, 52) which replicates a display of lights (22, 24, 26, 28, 30) on the cradle (12). The lights are extinguished in sequence as the selected time period is used up. The cellular phone is disconnected upon the selected period running out.</p> |
