G - Physics – 01 – P
Patent
G - Physics
01
P
350/32, 340/148.
G01P 3/50 (2006.01) G01P 3/68 (2006.01) G08G 1/04 (2006.01)
Patent
CA 1092701
Method and Device for Supervising the Speed of an Object ABSTRACT OF THE DISCLOSURE A system for supervising the speed of an object, such as a vehicle, relative to a reference point, wherein a TV-camera is utilized. The TV-camera is mounted at the refer- ence point and directed at a certain, perferably right angle to the direction of movement of the object, so that the field of view of the TV-camera includes a measuring distance. The video output signal from the TV-camera is fed to a black level sensor which in turn activates a pulse generator while the image of the object is passing between two given marking lines on the TV-image corresponding to the measuring distance. The pulses thus generated are counted, and the counted number of pulses constitutes a measure of the speed of the object (e.g. inverse proportionality).
263170
Kirby Eades Gale Baker
Olesen Lykke
LandOfFree
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