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.

Date of Patent:
Jun. 02, 2015

Filed:

Jan. 10, 2011
Applicant:

Kenichi Mineta, Rancho Palos Verdes, CA (US);

Inventor:

Kenichi Mineta, Rancho Palos Verdes, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/34 (2006.01); G08G 1/01 (2006.01);
U.S. Cl.
CPC ...
G01C 21/3469 (2013.01); G01C 21/3492 (2013.01); G08G 1/0125 (2013.01);
Abstract

A route searching device according to an embodiment of the invention includes an estimated fuel consumption amount computing unit that computes an estimated fuel consumption amount of each interval constituting plural routes from a departure point to a destination and an optimum route selecting unit that selects a route in which a total of the estimated fuel consumption amount from the departure point to the destination is minimized. The estimated fuel consumption amount may be obtained by adding a cruise fuel consumption amount, a gradient fuel consumption amount, and a vehicle-speed fluctuation fuel consumption amount. In a further aspect, an average fuel consumption value for each speed range of an interval may be determined based on limited fuel consumption data, and fuel consumption values may be updated using measured probe data.


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