Patent ID: 6532475
Filing Date: 2003-03-11
Classification: G06F,Y10S

Abstract:
A map information providing system for providing map data to a terminal device via a data transmission path, comprising:a first server, the first server comprising a first storage unit for storing map data; and a second server connected with the first server and the terminal device via a network, the second server comprising a second storage unit for storing the map data, the first server comprising: a unit for producing map searching table which designates at least one of the first storage unit, the second storage unit and a third storage unit in the terminal device, from which certain map data is to be obtained; and a unit for transmitting the produced map searching table to the terminal device to be stored in the terminal device, wherein map data of regions of different scales are stored in different storage units and these data are accessed through the map searching table so as to optimize and minimize the time in which users access the network.