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Navigation system

A navigation system and traffic information technology, applied in navigation, surveying and navigation, traffic control system, etc., can solve the problem of not being able to explore until it takes time

Inactive Publication Date: 2006-01-04
AISIN AW CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, even if the above-mentioned traffic information is used for route search, for the information of places far away from the current position, when the vehicle actually passes, the traffic conditions have changed, so that the route that takes the shortest time cannot be found.

Method used

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Embodiment Construction

[0023] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] figure 2 It is a figure which shows the structure of the navigation system concerning embodiment of this invention. Such as figure 2 As shown, 11 is a server providing information as a server, which is constituted in a computer equipped with computing mechanisms such as CPU and MPU, storage devices such as semiconductor memories, magnetic disks, and optical disks, and communication interfaces.

[0025] Here, 31 is an in-vehicle device operated by an operator as a user. Mounted on vehicles such as passenger cars, trucks, buses, and motorcycles. In addition, there are actually a plurality of in-vehicle devices, but in this embodiment, the above-mentioned in-vehicle device 31 is used as a representative for convenience of description. The above-mentioned operator may be, for example, a driver, a passenger, etc. of the above-mentioned vehicle,...

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Abstract

A navigation system, traffic prediction method, and traffic prediction program search for a plurality of routes to a destination. The system, method, and program calculate, if any of the plurality of routes passes through a predetermined area (55), a predicted time at which a link within the predetermined (55) area will be passed through. The system, method, and program generate predicted traffic information for the link at the predicted time at which the link will be passed through based on the stored traffic information.

Description

technical field [0001] The invention relates to a navigation system. Background technique [0002] In the conventional technology, for a vehicle-mounted navigation device in a vehicle such as an automobile, after an operator such as a driver operates a predetermined input unit to set a destination, based on the destination and the position of the vehicle detected by the current position detection processing unit, The current location, explore the route from the current location to the destination, and guide the explored route. At this time, the route with the shortest distance from the current position to the destination or the route with the shortest time required for the search is to be searched. [0003] Also, there is a system that provides traffic information to a navigation device, such as searching for a route that avoids a congested section by receiving road congestion information (for example, refer to Patent Document 1). At this time, the server explores a plural...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/26G01C21/34G08G1/00
CPCG01C21/3492G08G1/096827G01C21/34G01C21/26
Inventor 吉川和孝富田浩南敏彰长濑健儿
Owner AISIN AW CO LTD
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