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:
Oct. 03, 2017
Filed:
Dec. 17, 2012
Applicant:
Panasonic Corporation, Osaka, JP;
Inventors:
Mototaka Yoshioka, Osaka, JP;
Jun Ozawa, Nara, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/1455 (2006.01); A61B 5/0205 (2006.01); A61B 5/026 (2006.01); A61B 5/00 (2006.01); A61B 5/16 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0205 (2013.01); A61B 5/026 (2013.01); A61B 5/14551 (2013.01); A61B 5/4064 (2013.01); A61B 5/165 (2013.01);
Abstract
A concentration presence/absence determining device includes: a brain blood flow volume obtaining unit configured to obtain a brain blood flow volume of the user; a varying threshold obtaining unit configured to obtain a varying threshold that is a value smaller than the brain blood flow volume of the user at a base time; and an determining unit configured to determine that the user concentrates, when the brain blood flow volume obtained by the brain blood flow volume obtaining unit falls below the varying threshold obtained by the varying threshold obtaining unit.