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Vehicle-mounted device and new navigation route obtaining method

A technology of navigation path and on-board equipment, applied in the field of navigation, can solve problems such as reduced navigation efficiency, increased energy consumption of vehicles, and increased hidden dangers of driving safety, so as to improve navigation efficiency and ensure driving safety

Inactive Publication Date: 2013-06-05
SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical solution of the present invention solves the problem of increased vehicle energy consumption, reduced navigation efficiency, and increased driving safety hazards caused by existing navigation solutions that cannot effectively solve the problem of congestion.

Method used

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  • Vehicle-mounted device and new navigation route obtaining method
  • Vehicle-mounted device and new navigation route obtaining method
  • Vehicle-mounted device and new navigation route obtaining method

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Embodiment Construction

[0024] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following paragraphs the invention is described more specifically by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer from the following description.

[0025] Such as figure 1 As shown, the technical solution of the present invention provides a vehicle-mounted device, including:

[0026] The determination unit 11 is adapted to determine the problem road link according to the acquired real-time road condition information;

[0027] The distance obtaining unit 12 is adapted to obtain the first distance between the current position of the car and the problematic road link on the current navigation route;

[0028] The path calculation unit 13 is adapted to calculate a new navigation path from the current position to the target location based on the real-...

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Abstract

The invention provides a vehicle-mounted device and a new navigation route obtaining method. The vehicle-mounted device comprises a guaranteeing unit, a distance obtaining unit and a route calculating unit, wherein the guaranteeing unit is suitable for guaranteeing a problematic chain according to obtained real-time road condition information, and the distance obtaining unit is suitable for obtaining a first distance between current position of a car and the problematic chain on a navigation route. The route calculating unit is suitable for the new navigation route between the current position and a target position based on the real-time road condition information when the first distance is smaller than or equal to a distance threshold, at least one chain of routes constituting the new navigation route is different with the route constituting the current navigation route. By means of the technical scheme, before the problematic chain occurs, the new navigation route different with the current navigation route is obtained timely, navigation efficiency of the vehicle-mounted device is improved, and traffic safety is guaranteed without a manual input method.

Description

technical field [0001] The invention relates to the field of navigation, in particular to a vehicle-mounted device and a method for obtaining a new navigation path. Background technique [0002] With the rapid development of the automobile industry, more and more in-vehicle devices have been developed, such as in-vehicle navigation system, GPS (Global Positioning System) positioning, TTS (Text to Speech) broadcast, in-vehicle DVD player, in-vehicle communication, etc. At present, the application of using GPS (Global Position System, Global Positioning System) to locate the current position of the vehicle is very common. The car navigation device formed by the positioning system combined with the electronic map data is also more and more applied to people's daily life. [0003] The vehicle navigation system of the prior art uses the data provided by GPS, such as latitude and longitude information and heading, to match the road sections in the electronic map data, which can h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/34
Inventor 李军陈五湖
Owner SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING CO LTD
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