Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2008-01-03
2011-10-25
Trammell, James (Department: 3667)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S035000, C701S091000, C701S093000, C701S117000, C701S119000, C701S200000, C701S201000, C701S207000, C701S208000, C701S213000, C340S905000, C340S988000, C340S990000, C340S993000, C340S995190, C342S357230, C342S357370, C342S357250, C342S357520, C342S457000, C180S170000, C348S118000
Reexamination Certificate
active
08046169
ABSTRACT:
A method and apparatus for estimating a location of a device. For each of a plurality of locations of a device, a set of positional data is determined from signals received from a plurality of satellites. The positional data is filtered and compared with data from a road network database. This comparison may be a function of a distance from at least one point defined by a set of the filtered positional data to a road in the road network database and an angle between a line representing a best fit for plural points defined by corresponding plural sets of the filtered positional data to a line defined by a road in the road network database.
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Alles Martin
Carlson John
Maher George
Mazlum Selcuk
Andrew LLC
Duane Morris LLP
Marc McDieunel
Trammell James
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