Motion detection system
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United States of America Patent
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-
Dec 19, 2000
Grant Date -
N/A
app pub date -
Mar 25, 1998
filing date -
Mar 27, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A detection system including motion detectors, which are built up and connected in such a manner that movement of an object through successive surveillance areas in one direction will result in the delivery of a first detector signal, which is different from a second detector signal, which will be delivered upon movement of said object through the surveillance areas in at least partially opposite direction. The trend of the detector signals furthermore includes a measure for the distance at which the object passes the detection system. When the structures for the motion detectors are provided on the substrate in a specific manner, it becomes possible to manufacture such motion detectors in a simple manner.
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