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:
Jan. 17, 2017
Filed:
Feb. 28, 2014
Applicant:
Union Tool Co., Tokyo, JP;
Inventors:
Mariko Matsui, Osaka, JP;
Sonoko Ishimaru, Shiga, JP;
Ryo Shinozaki, Niigata, JP;
Naoki Jinbo, Niigata, JP;
Assignee:
UNION TOOL CO., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 23/00 (2006.01); A61B 5/0245 (2006.01); G08B 21/06 (2006.01); A61B 5/16 (2006.01); A61B 5/00 (2006.01); B60K 28/04 (2006.01); A61B 5/18 (2006.01); B60W 40/08 (2012.01);
U.S. Cl.
CPC ...
A61B 5/02455 (2013.01); A61B 5/0245 (2013.01); A61B 5/16 (2013.01); A61B 5/18 (2013.01); A61B 5/4812 (2013.01); B60K 28/04 (2013.01); B60W 40/08 (2013.01); G08B 21/06 (2013.01); A61B 2503/22 (2013.01); B60W 2040/0827 (2013.01);
Abstract
A method for preventing dozing off, comprising the steps of: a measurement step measuring human heartbeats; a decision step (Sto S) generating a trigger, hereinafter referred to as a 'drowsiness trigger', for indicating occurrence of drowsiness when a state in which a time interval between adjacent heartbeats, hereinafter referred to as a 'heartbeat interval', is longer than the previous heartbeat interval consecutively occurs; and a warning step (S) giving a warning to prevent dozing off when the drowsiness trigger is generated.