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US 11,692,846 B2Granted
Map presentation device
AssigneesHitachi Astemo, Ltd., Nissan Motor Co., Ltd.
InventorsShinya Ootsuji, Akihiko Sato, Mitoshi Yajima, Seiji Tokunaga
Life of this patent
Estimating the term…
Abstract
Road information of surroundings of an own vehicle is kept as latest version as possible, and road information of distant areas are updated efficiently. A map providing device according to the present invention searches for an update target portion included in a planned travel route, and also searches for an update target portion with an end point of the planned travel route being a starting point.
Claims11
A map providing device that provides map data describing a map of roads on which a vehicle travels, the map providing device comprising:
- a storage unit that stores the map data;
- a communicator that receives update data describing road information of an update target portion that is an update target in the map data stored in the storage unit;
- a searcher that searches for the update target portion included in the map data;
- and
- a processor that reflects, on the map data, the update data corresponding to the update target portion obtained through the search by the searcher,
- wherein the searcher further includes:
- a first searcher that searches for the update target portion included in a planned travel route on which the vehicle is scheduled to travel;
- and
- a second searcher that searches for the update target portion from an end point of the planned travel route as a starting point of search;
- wherein the second searcher searches for the update target portion if an amount of the update target portion found by the first searcher does not reach a predetermined amount.
7 more elements
Dependencies are inferred from the claim text.