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. 24, 2023
Filed:
Oct. 13, 2017
Citizen Watch Co., Ltd., Tokyo, JP;
Hideki Shimizu, Saitama, JP;
CITIZEN WATCH CO., LTD., Tokyo, JP;
Abstract
A detection device detecting changes in positive and negative feelings related to mild cognitive impairment is provided. This detection device includes: a detector detecting heartbeat information of a subject; a calculating unit calculating a maximum Lyapunov exponent from the heartbeat information, the maximum Lyapunov exponent indicating to what extent heartbeat intervals vary; a feeling determination unit determining whether the subject has a negative feeling with brain fatigue, anxiety or depression, or a positive feeling without brain fatigue, anxiety and depression, based on the maximum Lyapunov exponent; a change determination unit determining whether the positive or negative feeling of the subject has changed, based on frequency of occurrence of the negative or positive feeling in a predetermined period; and an output unit outputting a result of determination by the change determination unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile