Patent ID: 7788001

Claim:
A navigation system having a navigation apparatus, a server apparatus and a route information transmittance apparatus, which are capable of transferring and receiving information in bidirectional inter-communication via a communication network, (i) said route information transmittance apparatus comprising: an input device for inputting route search information which includes destination information and is required for performing a route search; and a transmittance device for transmitting the inputted route search information to said server apparatus, (ii) said server apparatus comprising: a server side communication device for receiving the route search information transmitted from said route information transmittance apparatus; an authentication device for judging whether or not the destination information is appropriately authorized to perform the route search and identifies appropriately the destination position in performing the route search; and a search device for performing the route search on the basis of the route search information which is judged to identify appropriately the destination position in the case where the destination information is judged to identify appropriately the destination position in performing the route search, wherein said server side communication device further transmits search result information indicating a route searched by said search device to said navigation apparatus, and (iii) said navigation apparatus comprising: a terminal side communication device for receiving the search result information; and a route guidance device for performing a route guidance on the basis of the received search result information.