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Navigation apparatus

A technology of navigation device and display device, applied in directions such as navigation, measurement device, surveying and navigation, etc., can solve the problem of impossible to obtain detailed information of facilities

Inactive Publication Date: 2008-01-09
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not possible with this technology for the user to obtain detailed information about the facility, such as which intersection to turn to reach the facility, the distance traveled, and the estimated travel time to the facility
Also, this technique assumes that the path is set, so unless the path is set, it is impossible to find such a utility
[0007] Therefore, with the above two conventional techniques for displaying information about a preselected road or its vicinity, the user may not necessarily obtain sufficient information about public facilities ahead along his / her path of travel

Method used

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Embodiment Construction

[0059] Fig. 1 is a block diagram showing the structure of a navigation device according to a first embodiment of the present invention. Although it is assumed that the navigation device according to the first embodiment is used for a vehicle (such as an automobile), in other embodiments, the navigation device is not limited to be used for a vehicle. In Fig. 1, the navigation device includes: an input part 1, a moving state detection part 2, a communication part 3, an information processing part 4, a history storage part 5, a map data storage part 6, an output part 7, and a state information acquisition part 8 . Each part of the navigation device will be described later.

[0060] The user operates the input section 1, which includes: a crosskey pad, a mouse, a keyboard, etc., for inputting information set by the user. Details of the information set by the user will be referred to later in the description of the operation of the present navigation device. Information input vi...

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Abstract

There is provided a navigation apparatus which displays information concerning facilities or the like which are present in a broad range ahead of a user. An information processing section 4 of a navigation apparatus identifies a facility type to be displayed. Next, a predicted road along which a user is expected to travel is determined, and a reference intersection is selected from among the intersections on the predicted road. The information processing section 4 computes a network of roads beginning from the selected reference intersection, and acquires facility information in the neighborhood thereof. Furthermore, the information processing section 4 generates facility information image data for displaying the acquired facility information on a map.

Description

technical field [0001] The present invention relates to navigation devices, and more particularly to navigation devices that display maps and information about public facilities in the vicinity of a user's location. Background technique [0002] The main purpose of a navigation device is to calculate a route to a destination and to display the calculated route. Some navigation devices display information useful to the user along with the route to the destination. For example, a navigation device has been proposed which displays various public facilities (such as gas stations, restaurants, etc.) in the vicinity of the current position of a vehicle equipped with the navigation device (hereinafter referred to simply as a vehicle). In the following description, information about public facilities in the vicinity of the vehicle displayed by the navigation device is referred to as "facility information". [0003] An example of a conventional navigation device capable of displayi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C21/00G08G1/0969G09B29/10G01C21/36
CPCG01C21/3682
Inventor 濱田裕司阪本清美山下敦士濱田浩行
Owner PANASONIC CORP
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