Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2005-06-28
2010-02-16
Tran, Dalena (Department: 3664)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C348S113000
Reexamination Certificate
active
07664599
ABSTRACT:
A digital lane mark generation apparatus generates a highly accurate and inexpensive three-dimensional mathematical expression orbit map (a digital lane mark). The apparatus includes a GPS coordinate reception unit obtaining GPS coordinates (X, Y, Z), a gyro sensor calculating measurement values of a gradient (ψ, θ, φ), a camera device, a distance meter measuring a driving distance measuring point (l), a speed meter measuring a speed, a steering angle sensor measuring a steering angle (ρ), a road surface roughness sensor detecting a road surface roughness (δ), an IC tag information reception unit detecting IC tag position information, an internal timer, and a digital lane mark generation unit generating the digital lane mark by relating obtained information to a standard time, and by using a line segment, a circular arc, and/or a clothoid curve.
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Sanei Co., Ltd.
Tran Dalena
Wenderoth , Lind & Ponack, L.L.P.
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