NAVIGATION INFORMATION SYSTEM MOBILE UNIT FOR THE NAVIGATION INFORMATION SYSTEM AND METHOD OF PROVIDING NAVIGATION GUIDANCE DATA TO THE MOBILE UNITS

摘要

The present invention relates to a navigation information system, which comprises a fixed section, at least one moving section, which stores data, means for identifying the location of the moving object, generating appropriate guidance information thereon, By including processing means and imposing complex facilities such as navigation computers and geographic databases on the service provider, the system can be easily updated, the in-vehicle system such as a standard cellular telephone in its simplest form can be minimized, When requesting the guidance information, the system determines the current position of the user and then transmits an instruction to the user, and the current position of the user can be determined by a means such as a satellite positioning system.