Patent ID: 7464871

Claim:
Parking disc for mounting on a vehicle where the parking disc is placed visible from outside, where the parking disc includes means for at least externally indicating a time for initiation of the parking, where means for indicating the time comprises an electronic display which during normal driving is connected to an electronic clock, where the display during normal driving shows the actual time and where stopping the vehicle results in switching of the display, where the display during parking constantly shows the time of initiation of the parking, and where the display by resumption of the driving is switched to the actual time, where switching of the display by resuming the driving occurs on the basis of an electric signal from at least one detector which determines an actual relative motion of the vehicle, where the switching of the display occurs after determining a minimum value for the motion of the vehicle, wherein the switching of the display is effected on the basis of determination by a detector of a minimum acceleration during the movement of the vehicle, said minimum acceleration being determined in a uniform direction over a predetermined period of time.