Method and system for detecting with radar the passage by a vehicle of a point for monitoring on a road
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United States of America Patent
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Mar 13, 2007
Grant Date -
Mar 30, 2006
app pub date -
Feb 18, 2005
filing date -
Sep 10, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for detecting the passage by a vehicle of a determined point for monitoring on a road, wherein from a remotely situated location a radar beam is transmitted continuously to the point for monitoring, reflections from the transmitted radar beam are received at the remotely situated location, and it is determined from the received reflections that the vehicle is passing the point for monitoring. The radar beam can herein be transmitted at an acute angle to the travel direction of the passing vehicle. The detection can be used to activate a red-light camera, to measure the speed of the vehicle or measure the traffic intensity, without sensors, for instance induction loops, having to be arranged in the road for this purpose.
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