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:
May. 10, 2016

Filed:

Oct. 03, 2012
Applicant:

Denso Corporation, Kariya, Aichi-pref., JP;

Inventors:

Shinya Matsunaga, Kariya, JP;

Koji Oguri, Handa, JP;

Assignees:

DENSO CORPORATION, Kariya, JP;

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 23/00 (2006.01); A61B 5/02 (2006.01); A61B 5/18 (2006.01); A61B 5/00 (2006.01); A61B 5/0402 (2006.01); A61B 5/0205 (2006.01); B60W 40/08 (2012.01);
U.S. Cl.
CPC ...
A61B 5/02 (2013.01); A61B 5/04021 (2013.01); A61B 5/18 (2013.01); A61B 5/6893 (2013.01); A61B 5/0205 (2013.01); B60W 2040/0818 (2013.01);
Abstract

An absentminded state determination apparatus includes: a data obtaining element for obtaining a time series data of a physiological characteristic value of a participant, wherein a fluctuation component is overlapped on the time series data, and depends on a state of the participant including normal and absentminded states; a detection element for detecting reflecting portions of the time series data, which reflect on the fluctuation component; a counting element for counting the number of the reflecting portions of the time series data in a determination time period between a determination time and a certain past time; and a determination element for determining according to the number of the reflecting portions at the determination time whether the participant is in the absentminded state. The determination time period has a predetermined time width from the certain past time to the determination time.


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