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:
Sep. 05, 2017
Filed:
Mar. 19, 2014
Applicant:
Komatsu Ltd., Minato-ku, JP;
Inventors:
Assignee:
Komatsu Ltd., Minato-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01); E01C 23/01 (2006.01); B60W 40/06 (2012.01); G01C 21/26 (2006.01); G01C 7/04 (2006.01);
U.S. Cl.
CPC ...
E01C 23/01 (2013.01); B60W 40/06 (2013.01); G01C 7/04 (2013.01); G01C 21/26 (2013.01); B60W 2510/22 (2013.01);
Abstract
A road surface condition determining method according to the invention includes: detecting a suspension pressure of a dump truck during a travel of the dump truck; calculating a maximum amplitude and a frequency of a detection value of the suspension pressure in a predetermined period of time; and determining a road surface condition based on the maximum amplitude and the frequency.