Unmapped terrain navigational system
First Claim
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1. A method for vehicle navigation, comprising:
- establishing path waypoints in an unmapped space in a navigational system;
automatically tracking vehicle positions between the path waypoints in the unmapped space over time as the vehicle moves through the unmapped space;
automatically storing the vehicle positions between the path waypoints in a memory; and
automatically establishing a backtracking path through the unmapped space through the vehicle positions between the path waypoints stored in the memory.
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Abstract
A navigational system provides information on unmapped terrain based on a waypoint positioned between a point of departure and a destination. The navigational system includes position data stored in a memory and communication logic. The position data represents a current position and a waypoint position in an unmapped space. The memory includes navigational information about the waypoint. The communication logic audibly communicates the navigational information to a vehicle operator.
24 Citations
36 Claims
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1. A method for vehicle navigation, comprising:
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establishing path waypoints in an unmapped space in a navigational system; automatically tracking vehicle positions between the path waypoints in the unmapped space over time as the vehicle moves through the unmapped space; automatically storing the vehicle positions between the path waypoints in a memory; and automatically establishing a backtracking path through the unmapped space through the vehicle positions between the path waypoints stored in the memory. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A navigational system comprising:
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position data stored in a memory comprising a current position in an unmapped space and a first path waypoint positions for path waypoints in an unmapped space; vehicle positions between the path waypoints in the unmapped space automatically stored in the memory over time as the vehicle moves through the unmapped space; and a backtracking path automatically established through the unmapped space through the vehicle positions between the path waypoints stored in the memory. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A computer readable medium encoded with instructions that cause a navigational system to perform a method comprising the acts of:
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establishing path waypoints in an unmapped space in a navigational system; automatically tracking vehicle positions between the path waypoints in the unmapped space over time as the vehicle moves through the unmapped space; automatically storing the vehicle positions between the path waypoints in a memory; and automatically establishing a backtracking path through the unmapped space through the vehicle positions between the path waypoints stored in the memory. - View Dependent Claims (21, 22, 23, 24, 25)
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26. A computer readable medium encoded with instructions that cause a navigational system to perform a method comprising the acts of:
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establishing a vehicle path comprising multiple path waypoints in unmapped space; establishing attribute waypoint data for multiple attribute waypoints in the unmapped space; establishing attribute waypoint preferences; establishing a current position in the unmapped space; determining a distance from the current position to the multiple attribute waypoints and the multiple path waypoints; generating navigational information for a proximate attribute waypoint of the multiple attribute waypoints and communicating the navigational information for the proximate attribute waypoint when the distance from the current position to the proximate attribute waypoint is within a range of the proximate attribute waypoint that matches the attribute waypoint preferences; generating navigational information for a proximate path waypoint of the multiple path waypoints and communicating the navigational information for the proximate path waypoint when the distance from the current position to the proximate path waypoint is within a range of the proximate path waypoint; automatically tracking vehicle positions between the multiple path waypoints in the unmapped space over time as the vehicle moves through the unmapped space; automatically storing the vehicle positions between the multiple path waypoints in a memory; and automatically establishing a backtracking path through the unmapped space through the vehicle positions between the multiple path waypoints stored in the memory. - View Dependent Claims (27, 28, 29, 30)
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31. A navigational system comprising:
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an operator interface; acoustic communication logic; a memory comprising; position data stored comprising a path waypoint positions corresponding to path waypoints in an unmapped space; vehicle positions between the path waypoints in the unmapped space automatically stored in the memory over time as the vehicle moves through the unmapped space; and a backtracking path automatically established through the unmapped space through the vehicle positions between the path waypoints; and a processor coupled to the memory, the acoustic communication logic, and the operator interface, the processor operable to communicate navigational information for the path waypoints through the acoustic communication logic. - View Dependent Claims (32, 33, 34, 35, 36)
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Specification