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Map updating system, map updating server, and vehicle-mounted terminal

A map update, vehicle-mounted terminal technology, used in maps/plans/charts, traffic control systems, traffic control systems for road vehicles, etc., and can solve problems such as increased data traffic

Pending Publication Date: 2021-04-23
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the in-vehicle terminal temporarily uses the map data updated for a temporary road change, the same map data as the original road will be distributed after the completion of the project in vain, so the data traffic will increase accordingly.

Method used

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  • Map updating system, map updating server, and vehicle-mounted terminal
  • Map updating system, map updating server, and vehicle-mounted terminal
  • Map updating system, map updating server, and vehicle-mounted terminal

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other Embodiment approach

[0087] The update method of the map data may be communication by Wi-fi, update using a medium such as USB, other than communication by DCM.

[0088] The attribute for determining the matching of the map data is not only the shape of the road topography, but also road attributes such as the number of lanes and restrictions, as well as ground features such as roadside signs.

[0089] As a method of obtaining temporary road construction information, in addition to government gazettes, prefectural gazettes, information on paper / web provided by road administrators / construction administrators, images such as construction signs using vehicle camera images can also be used Infrastructure information such as identification, VICS (Vehicle Information and Communication System) (registered trademark), and DSRC (Dedicated Short Range Communications).

[0090] The in-vehicle terminal is not limited to car navigation, and smartphones, tablet PCs, and personal computers can also be used.

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Abstract

The invention relates to a map updating system, a map updating server, and a vehicle-mounted terminal. This map updating server is provided with a server side update management unit (19a) which, if a confirmation request is received when there are update data following the start of a temporary road change, responds with a confirmation result instructing that the update data are to be used temporarily, and delivers the update data, and if the confirmation request is received when there are update data following completion of a temporary road change, responds with the confirmation result instructing that the update data prior to the start of the temporary road change are to be used, and the vehicle-mounted terminal is provided with a vehicle-mounted terminal side update management unit (10a) which, if instructed by the map updating server, as the confirmation result, to use the update data temporarily, uses the update data that have been delivered, and if instructed, as the confirmation result, to use the update data prior to the start of the temporary road change, temporarily uses the update data by using the map data prior to the start of the temporary road change instead of the update data.

Description

[0001] Cross References to Related Applications [0002] This application is based on Japanese Application No. 2018-172499 filed on September 14, 2018, the content of which is cited here. technical field [0003] The present disclosure relates to a map update system, a map update server, and a vehicle-mounted terminal. Background technique [0004] Conventionally, there is a method in which road data and trajectories of vehicles passing on the road are compared / statistically processed, and a map update server detects changes in roads to update map data on an in-vehicle terminal (see Patent Document 1). [0005] Patent Document 1: Japanese Patent No. 6302848 [0006] In the technique of Patent Document 1, since the map update server updates / distributes map data every time a change in road conditions (hereinafter referred to as road change) is detected, it can be expected to update the map data promptly. [0007] However, for example, in the state of a temporary road change ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/26G08G1/01G08G1/13G09B29/00
CPCG09B29/004G01C21/3896G01C21/3859G08G1/0112G08G1/0129G08G1/0141G08G1/096741G08G1/096716G08G1/096775G08G1/096827G08G1/096844G08G1/0969
Inventor 田中毅野村朋夫
Owner DENSO CORP