Mitsubishi Denki Kabushiki Kaisha

Mitsubishi Electric Corporation

Shigeru Tateishi

Koichi Inoue

Hidekazu Arita

Masahito Hata

An update map data acquiring meansfor acquiring update map data is disposed in a navigation system. Even when a navigation function is being used by a control meanswhich controls the functions of the whole navigation system using yet-to-be-updated map data stored in a map data storing means, the control means updates the map data by writing the update map data from the update map data acquiring meansin a free space on the map data storing means

Navigation system

A navigation apparatus has an information taking-in means for taking-in road-in-facility information, which indicates roads placed in a facility and is supplied from the outside, and a displaying means for displaying a location map according to the road-in-facility information read out from the information taking-in means and for-navigation location map data read out from a storing means and displaying a position of a driver's car and a guiding route on the location map.

Growing community of inventors

Tokyo, Japan

Shigeru Tateishi