G - Physics – 07 – C
Patent
G - Physics
07
C
354/32
G07C 5/00 (2006.01) G04G 21/02 (2010.01) G04B 47/06 (2006.01)
Patent
CA 1142649
Abstract of the disclosure: The invention refers to a device for checking the velocity of a motor vehicle in dependence from the existing sight conditions. A time measuring means can be started by a starting switch as soon as a striking point can be clearly seen on the road in front of the vehicle. As soon as the vehicle passes this point a stopping switch is actuated which stops the time measuring means. The time measuring means measures the time interval between actuation of the starting switch and actuation of the stopping switch and the calculator means calculates the visible distance corresponding to said time interval considering the velocity of the vehicle driven during said time interval. This visible distance is compared by the calculator means with the stopping distance corresponding to said velocity. The result of this comparison may be indicated by an indicating device or may be used by the calculator means for calculating the maximum admissible velocity correlated to said visible path of travel.
332241
Cremer Klaus
Gowling Lafleur Henderson Llp
LandOfFree
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