A map information providing apparatus and method are provided. Second map information of a second map range is acquired from an external apparatus having first map information of a first map range. A portable map transmitting apparatus having third map information of a third map range is communicated with the map information providing apparatus. The third map range is wider than the second map range. The second map range is narrower than the first map range. It is determined whether it is possible to provide predetermined map information corresponding to predetermined position information based on the second map information to the map information providing apparatus. If so, communication with the portable map transmitting apparatus is controlled to receive the third map information. The second map information is updated based on the third map information and the predetermined map information is acquired from the updated second map information.
Map information providing apparatus, portable map transmitting apparatus, map information providing system, map information providing method, and program
2021-02-09
Patent
Electronic Resource
English
IPC: | G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |
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