| 摘要 |
<p>Parking disc for mounting on a vehicle where the parking disc is externally visible and has an externally indicator of the time parking was initiated, the indicator including an electronic display which, during normal driving, is connected to an electronic clock which shows the actual time and where stopping the vehicle causes switching of the display to constantly show the time parking commenced, and where the display, when driving resumes, switches to the actual time based on an electric signal from at least one detector which determines an actual relative motion of the vehicle, the switching of the display occurring after determining a minimum value for motion of the vehicle, the switching of the display being effected based on determination by the detector of a minimum acceleration during the movement of the vehicle, the minimum acceleration being determined in a uniform direction over a predetermined period of time.</p> |
