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Providing alternative road navigation instructions for drivers on unfamiliar roads

A driver and instruction technology, applied in the field of vehicle navigation systems, can solve the problems that the driver cannot obtain driving instructions, and the driver cannot provide them.

Inactive Publication Date: 2016-04-27
HARMAN INT IND INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, drivers generally cannot provide such requests while driving
Therefore, when the driver is driving, the driver generally cannot obtain new driving instructions

Method used

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  • Providing alternative road navigation instructions for drivers on unfamiliar roads
  • Providing alternative road navigation instructions for drivers on unfamiliar roads
  • Providing alternative road navigation instructions for drivers on unfamiliar roads

Examples

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Embodiment Construction

[0015] In the following, reference is made to the embodiments presented in this disclosure. However, the scope of the present disclosure is not limited to the specifically described embodiments. Rather, any combination of the following features and elements, whether related to different embodiments or not, is contemplated to implement and practice the contemplated embodiments. Furthermore, although the embodiments disclosed herein may achieve advantages over other possible solutions or over the prior art, whether a particular advantage is achieved by a given implementation does not limit the scope of the present disclosure. Accordingly, the following aspects, features, embodiments and advantages are illustrative only and are not to be considered elements or limitations of the appended claims unless expressly recited in the claims.

[0016] Figure 1A A passenger compartment 100 of a vehicle including a navigation system 100 is illustrated according to various embodiments. As...

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Abstract

Techniques for providing driving instructions for drivers on unfamiliar roads. A navigation system (110) stores 'breadcrumbs', or indicators of road segments on which a particular vehicle has previously driven. The system detects whether a vehicle has turned off of a 'familiar' road by examining these breadcrumbs. If the navigation system determines that the current position of the vehicle is associated with a road segment for which a number of breadcrumbs below a particular threshold are stored, then the navigation system determines that the vehicle is on an unfamiliar road. The navigation system identifies a secondary path and presents that path to the driver to return the driver to the familiar road. The secondary path may be identified in a manner that avoids obstacles by examining traffic information or distance information.

Description

technical field [0001] The present disclosure relates to in-vehicle navigation systems, and more particularly, to providing drivers with alternative road navigation instructions on unfamiliar roads. Background technique [0002] A navigation system in a vehicle, such as an automobile, provides instructions to the driver driving to a selected destination. Typically, these navigation systems analyze map data, including road information, to find one or more desirable routes to a selected destination. Navigation systems can consider various data about the road network, such as mileage, travel time, speed limits, traffic and disaster information, to calculate these routes, and then select a route for displaying navigation. Once the navigation system selects this route, the navigation system determines the current location of the vehicle and displays a map indicating to the driver how the driver should navigate the road in order to follow the calculated route. As the driver trav...

Claims

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Application Information

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IPC IPC(8): G01C21/34
CPCG01C21/3461G01C21/3415G01C21/3484G01C21/3626
Inventor A.罗兹曼
Owner HARMAN INT IND INC
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