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Map displaying device

A map display device and map technology, which is applied to measurement devices, maps/plans/charts, surveying and navigation, etc., can solve the problems of not being able to display the map scale, and the reachable range of the map scale, etc., and achieve the effect of reducing the processing load.

Active Publication Date: 2008-09-10
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the navigation device disclosed in Patent Document 1 only displays the reachable range based on the time interval set by the user with an optimal scale, and cannot display the same map as the displayed one. The scale and / or the reachable range of any time interval corresponding to the driving conditions of the own vehicle
[0008] In addition, the reachable range display unit disclosed in Patent Document 2 only displays the reachable range at certain time intervals in the shape of an amoeba, and cannot display a map similar to that displayed The scale and / or the reachable range of any time interval corresponding to the driving conditions of the own vehicle

Method used

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Embodiment Construction

[0089] Hereinafter, a map display device according to an embodiment of the present invention will be described with reference to the drawings.

[0090] FIG. 1 shows the configuration of a map display device according to an embodiment of the present invention. In this embodiment, an example in which a map display device is applied to a navigation device installed in an automobile will be described.

[0091] The map display device according to this embodiment includes a map DB 101 , congestion information receiving section 102 , positioning section 103 , input section 104 , display section 105 , and control section 106 .

[0092] The map DB 101 is, for example, an HDD or a DVD that stores map information such as road and intersection data. However, it is not limited thereto, and the information stored in the map DB 101 may be downloaded each time from a center device (not shown) using a communication device not shown (for example, a mobile phone, a PHS, etc.). In addition, the...

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Abstract

Provided is a map displaying device for displaying an attainable range in an arbitrary display mode according to the scale of a map to be displayed and / or the running situation of a device carrying vehicle. The map displaying device comprises display means (105) for displaying the map information stored in a map database (101), and searching means (108) for calculating the information on the time period required to go from a reference point to an attainable point. Further comprised is time information drawing means (109) for displaying the required time period information over the map displayed by the display means (105), while the display mode being varied according to the scale of the map and / or the running situation.

Description

technical field [0001] The present invention relates to a map display device, and more particularly to a map display device for displaying a reachable range at an arbitrary time interval according to the scale of the displayed map and / or the driving condition of a vehicle. Background technique [0002] In recent years, navigation devices have been widely used. Based on map information stored in HDDs and DVDs, the navigation devices can display maps near the vehicle's position and a predetermined position on a display together with landmarks, traffic information, and the like. In such a navigation device, when a user sets a destination, an appropriate route to the destination can be searched for, the time required for driving can be calculated, and such information can be presented to the user. [0003] In such a navigation device, there has been proposed a technique of displaying a map showing reachable positions in all directions within a time set by the user from the curre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B29/00G01C21/00G09B29/10
CPCG01C21/3407G01C21/3667G01C21/3697G09B29/00G09B29/007G09B29/10
Inventor 金铜刚史工藤贵弘秋田贵志
Owner PANASONIC CORP
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