Data processing: vehicles – navigation – and relative location – Navigation
Reexamination Certificate
2005-01-18
2005-01-18
Black, Thomas G. (Department: 3663)
Data processing: vehicles, navigation, and relative location
Navigation
C701S070000, C701S093000, C340S438000, C340S905000, C342S357490, C342S020000
Reexamination Certificate
active
06845317
ABSTRACT:
A motor-vehicle navigation-based speed limit recording and warning system designed to automatically inform drivers when they are exceeding the posted speed limit on a particular roadway. The system includes a navigational system that displays a plurality of roadways on a map and the motor vehicle's location thereon. The navigational system also includes a “mark” point feature or function that enables a driver to manually enter “mark” points and assign a speed limit to each “mark” point. The “mark” point feature or function may be directly coupled to the motor vehicle's speedometer so that the driver may simultaneously input both the motor vehicle's current speed and the “mark” point on the roadway.
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Black Thomas G.
To Tuan C
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