Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2011-08-02
2011-08-02
Tran, Khoi (Department: 3664)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S117000, C701S208000, C701S209000, C701S213000
Reexamination Certificate
active
07991549
ABSTRACT:
A traffic information system including a travel history database retaining the data on the travel history of vehicle measured at a constant temporal or running interval; a link cost weighting pattern database for storing patterns for weighting the link costs of road links, used in the determination of the travel paths of vehicles; a vehicle ID/link cost weighting pattern set database retaining the data representing the matching of the vehicle IDs with their associated link cost weighting patterns used to determine the travel paths of the vehicles; a link cost weighting pattern selection unit selecting the patterns for weighting the link costs used to determine the travel paths of the vehicles on the basis of the vehicle IDs; and a vehicle ID/link cost weighting pattern matching unit recording the data representing the matching of the vehicle IDs with their associated link cost weighting patterns.
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European Search Report dated Jul. 4, 2008 (Three (3) pages).
Kimita Kazuya
Tanikoshi Koichiro
Yokota Takayoshi
Crowell & Moring LLP
Hitachi , Ltd.
Nguyen Bao Long
Tran Khoi
LandOfFree
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