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:
Jul. 03, 2018

Filed:

Aug. 16, 2016
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventor:

Hiroyuki Tani, Katsushika, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C 23/01 (2006.01); E01C 23/07 (2006.01);
U.S. Cl.
CPC ...
E01C 23/01 (2013.01); E01C 23/07 (2013.01);
Abstract

In estimating the degraded position of a road surface with high accuracy, a server apparatuscomprising a part configured to change, when detecting a road surface degradation with respect to a certain road position based on accumulation of measurement information evaluation values at a plurality of times of a travel of a vehicle on the certain road position, detection sensitivity for the road surface degradation according to an MCI value with respect to the certain road surface position, the measurement information evaluation values being measured with an acceleration sensor installed in the vehicle and being according to road surface positions on which the vehicle has traveled.


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