Map data providing device

A map data and map technology, applied in geographic information databases, measurement devices, structured data retrieval, etc., to achieve the effect of small map data volume and low cost

Active Publication Date: 2012-03-28
CLARION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some map data is provided in a nationwide version, such map data will definitely be expensive
Further, nationwide versions of map data may not include detailed information

Method used

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Examples

Experimental program
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Embodiment Construction

[0027] Structure of map data providing system

[0028] figure 1 The map data providing system in the embodiment has been described. The in-vehicle navigation system 1 reads map data, search data (guide search data), and the like from a recording medium 2 such as a CD-ROM or DVD-ROM. The server 6 of the data providing center 9 reads the map data and the search data from the map database 7 and the search database 8 respectively, and provides the read map data and search data to the navigation system through the recording medium 2 .

[0029] The map database 7 and the search database 8 of the data providing center 9 are parent databases, storing all versions of map data and search data from the earliest to the latest. The server 6 provides the recording medium 2 containing map data, search data or the like by using the map database 7 or the search database 8 .

[0030] When the server 6 supplies the recording medium as described above, the actual server 6 supplies the parent ...

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PUM

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Abstract

A method for providing map data to be used in a navigation device divides an area, the map data of which is to be provided, into a plurality of sections in a plurality of division patterns, in which the divided sections do not overlap each other, and creates the map data individually corresponding to the sections divided in the plural division patterns. The method provides the map data corresponding to the individual sections divided into the plural division patterns, so that a user can select the map data at will.

Description

technical field [0001] The invention relates to a device for providing map data used in a navigation system. Background technique [0002] A navigation system in the related art performs a navigation operation using map data recorded in a recording medium such as a CD-ROM (eg, in Patent Reference 1). These map data provided in the recording medium can be divided into different versions corresponding to specific regions, such as the Kanto region version, the Chubu region version, and the Kinki region version. [0003] It is conceivable that a user of a navigation system typically uses the navigation system while driving in the area in which he lives. If the user's place of residence is adjacent to the border of two districts, his daily life range is on these two districts. In this case, if the map data is provided in different versions, each version corresponding to a specific area, such as Kanto area or Chubu area, the user of the navigation system needs to purchase two v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B29/00G01C21/00G06F17/30G08G1/137G09B29/10G01C21/28G01C21/32G08G1/0967G09B29/02
CPCG09B29/10G09B29/02G08G1/096733G01C21/32G08G1/096775G06F17/30241G01C21/28G06F16/29G01C21/3881
Inventor 野村高司
Owner CLARION CO LTD
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