Patent ID: 9717131
Date: 2017-07-25
CPC Classifications: F21V,F21W,G01J,H05B,Y02B

Claim:
1. Motion detector system for detecting moving vehicles and/or pedestrians and determining in which one of at least two speed ranges the speed of the detected vehicles and/or pedestrians falls, comprising: a first motion detector for detecting vehicles and/or pedestrians having a speed in a first speed range, the first detector being arranged to detect moving objects in a first detection zone having a first size, the first size of the first detection zone determining the first speed range; and a second motion detector for detecting vehicles and/or pedestrians having a speed in a second speed range, the second detector being arranged to detect moving objects in a second detection zone having a second size, the second size of the second detection zone determining the second speed range, wherein the first and second speed range are different.