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:
Nov. 11, 2008

Filed:

Dec. 07, 2005
Applicants:

Kazuyoshi Isaji, Kariya, JP;

Naohiko Tsuru, Handa, JP;

Takahiro Wada, Takamatsu, JP;

Hiroshi Kaneko, Okayama, JP;

Inventors:

Kazuyoshi Isaji, Kariya, JP;

Naohiko Tsuru, Handa, JP;

Takahiro Wada, Takamatsu, JP;

Hiroshi Kaneko, Okayama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A driver fatigue assessment device may include; a look information generator to generate look information regarding at least one of a driver's direction of a look and a locus at which a driver is looking; a visual stimulator to provide a visual stimulus within a driver's field of view at a first position and then move the location thereof to a second position; a change determination unit to determine whether the look information has changed in response to the movement of the visual stimulus; and a fatigue decision unit to assess driver fatigue based upon an output of the change determination unit.


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