The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 2001
Filed:
Apr. 12, 1999
Yuichi Abe, Tottori, JP;
Other;
Abstract
To cope with differences in the evaluation depending on the user, or depending on the situation, by making it possible to alter the evaluation values used for automatically searching for the route, in a navigation system, which has a map reproduction means,storing segment data such as the distance and the road type, of the road segment forming a road network, a RAM,for storing the evaluation values corresponding to the segment data, and a control circuit,for searching for the route from a starting point to a destination, in accordance with a synthetic evaluation function using, as parameters, the evaluation values stored in the RAM,, a setting means,is provided for altering the evaluation values stored in the RAM