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. 23, 1996
Filed:
May. 26, 1994
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
An optimum route determination apparatus comprises a plurality of specific points selected from a road map on the basis of a fixed criterion, and an optimum route leading to each destination in which one of the specific points is a departure point and which has been calculated in advance. A route memory has a route table in which data of an initial route leading from the one of the specific points to at least the next specific point through which the optimum route passes are stored in correspondence with the each destination and the one of the specific points. An initialization unit is provided for setting a destination, a specific point near to a vehicle's current location, and specific points along the optimum route. An initial route acquisition unit is provided for retrieving the route table to acquire the data of the initial route in accordance with the destination and the specific point set by the initialization unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile