| 摘要 |
<p>A method for determining the state of occupation of a plurality of scheduled areas by vehicles, comprising the steps of : associating with each area to be monitored a transmitter which periodically transmits a signal of f ixed power; receiving in a concentrator the plurality of signals emitted by said plurality of transmitters; examining said plurality of signals and determining the occupied/vacant state of each area to be monitored; periodically transmitting a signal comprising information on the occupied/vacant state of each monitored area to an operating centre; generating information indicative of the state of occupation of a plurality of areas.</p> |
