Abbreviated directions for route navigation

Details Abbreviated directions for route navigation Abbreviated directions for route navigation

2011-03-29

2011-03-29

Hellner, Mark (Department: 3663)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C340S990000

Reexamination Certificate

active

07917288

ABSTRACT:
A geographic navigation system for segmenting a received set of instructions (or directions) that guide a user over a geographic route from a starting location to an ending location, and then abbreviating a subset of the instructions related to the inexact or familiar regions into a more concise and relevant form, yet retain all the information for guiding the user on the trip. Route segmentation occurs before instruction abbreviation by segmenting the route into multiple logical components in which abbreviation can be applied. After the need for instruction abbreviation is recognized and the route is segmented, techniques and designs are employed to generate understandable strings that describe the abbreviated directions as well as controls that allow optimization of the user experience.

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