Zone detection in a GNSS system
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United States of America Patent
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Feb 6, 2018
Issued Date -
N/A
app pub date -
Dec 4, 2014
filing date -
Dec 20, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Method and system for zone based detection of vehicles passing into and out from a geographical zone using polygons to define the border of said zone, wherein a first polygon (32) defines a virtual border against which vehicles passing into the zone is compared by use of a GNSS system (10) comprising an OBU (2) in every vehicle to be surveyed by the method. A second polygon (31) larger than the first polygon (32) and completely enveloping said first polygon is defined as a virtual border against which objects passing out from the zone is compared by use of the GNSS system.
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Cited Art Landscape
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