| 摘要 |
<p>The system comprises user devices (10) to be installed, upon parking, in the individual motor vehicles and verification terminals (30), provided at least in a portable configuration, to be assigned to patrolling control personnel. The user devices (10) are provided with a numeric display module (15) and with prepaid fee-charging modules (11-11') which include logic controller means (26) which, activated at the beginning of the parking period, decrease according to the preset hourly rate the credit of the fee-charging module (11), indicating the residual credit on the display means. The verification terminals (30) comprise radio transmission means and radio reception means, the former being capable of transmitting by radio from outside the vehicle data and querying signals to the user devices (10), the latter being capable of receiving by radio corresponding information transmitted as reply by a radio transponder module (18) with which each individual user device (10) is fitted. <IMAGE></p> |
