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Vehicle navigation device

A vehicle navigation and display device technology, which is applied to road network navigators and other directions, and can solve problems such as large screen information and cumbersome users

Inactive Publication Date: 2012-03-14
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the technique described in the above-mentioned Patent Document 1, when there is a branch point at which the user wants to display information (reason for non-guidance) related to each traveling direction, it is necessary to perform an operation to designate the branch point one by one.
At this time, although it is conceivable to display such information every time at each branch point, there are too many information on the route guidance screen, which is extremely cumbersome for the user.

Method used

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Examples

Experimental program
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Embodiment Construction

[0032] (1) The first embodiment

[0033] The following reference Figure 1 ~ Figure 6C The first embodiment of the present invention will be described. figure 1 The structure of the car navigation device 1 of this embodiment mounted on a vehicle such as a car is schematically shown.

[0034] This car navigation device 1 has a control device 2 which is mainly composed of a computer (CPU) and controls the whole. In addition, the car navigation device 1 further has: a position detection unit 3 as a vehicle position detection unit (own vehicle position detection unit) connected to the control device 2 for detecting the position of the vehicle; and an external information center 4 Wireless communication communication device 5; external memory 6; for example, a display device 7 composed of a full-color liquid crystal display and used as a display unit (display unit); an operation switch group 8 including a touch panel and mechanical switches; a composite sound output from a speaker Sou...

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Abstract

The present invention relates to a vehicle navigation device. A control device (2) is used for judging whether a vehicle is driven toward a set destination (G) and detecting existed specific branch point (C) of a current driving route according to resume information stored by a driving resume storage part (6), before the vehicle arrives the specific branch point (C), various driving directions exist on the specific branch point (C), and reference information of choosing the driving directions are displayed on images of a display device (7). The specific branch point (C) is, for example, a plurality of driving direction branch points can be chosen toward the way to the set destination, and is driving resume branch points of a plurality of routes when the driving direction of the vehicle is changed.

Description

Technical field [0001] The present invention relates to detecting the position of the vehicle and Figure one A car navigation device that activates the positioning function displayed on the screen of the display device. Background technique [0002] The car navigation device mounted on the car usually has a positioning function that detects the current position of the car and displays it on the screen of the display device superimposed on the road map. It searches for a recommended route to a user-specified destination through calculation and displays and voices it. Route guidance function for route guidance. [0003] At this time, in the route guidance function, guidance is based on one (one) route set to the destination. Regarding the set route, the user can know information such as the estimated time to arrive at the destination. However, when the user selects a route different from the set route, he cannot know information related to the unset route, such as how the estimated ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/26
Inventor 近江真宜加藤典子笹野孝则
Owner DENSO CORP