| 摘要 |
<p>The invention relates to a method and a device for time measuring according to which the time period required for a movement of a vehicle on a certain distance is measured by transmitting a signal from at least one transmitter (10) arranged along said distance, by receiving said signal in a receiver (11) provided on said vehicle, said signal initiating the measuring of time, and by stopping said measuring of time when said vehicle passes a transmitter, by marking said signal with a code of identity and enabling the time measuring when a predetermined code of identity has been recorded at said receiver. The measuring of time is initiated when the receiving of said predetermined code of identity drops off. The device according to the invention comprises a central unit (17) operatively connected to said receiver and a display (14) operatively connected to said central unit.</p> |
