초록 ▼

Plural guide routes to a destination are found based upon different bodies of road (intersection) information, one of these plural guide routes is selected, and guidance to the destination via the selected route is output. One of the bodies of road (intersection) information is memorized map informa

Plural guide routes to a destination are found based upon different bodies of road (intersection) information, one of these plural guide routes is selected, and guidance to the destination via the selected route is output. One of the bodies of road (intersection) information is memorized map information and another body of road (intersection) information is related to roads or intersections which have been passed through before.

대표청구항 ▼

[ I claim:] [1.] A navigational device for determining a guide route, comprising:present position detecting means for detecting present position;means for searching for a first route from a starting point or from the detected present position to a destination or neighborhood thereof, based upon memo

[ I claim:] [1.] A navigational device for determining a guide route, comprising:present position detecting means for detecting present position;means for searching for a first route from a starting point or from the detected present position to a destination or neighborhood thereof, based upon memorized map information;means for searching for a second route from the starting point or the detected present position to the destination or neighborhood thereof, based upon locus data related to at least one road or intersection learned, by said detecting of present position, in previous travel through said at least one road or intersection; outputting the first route and the second route, with the first route distinguished from the second route where the first and second routes do not overlap each other.