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:
Apr. 28, 2020
Filed:
Feb. 05, 2018
Applicants:
Sangmyung University Industry-academy Cooperation Foundation, Jongno-gu, Seoul, KR;
Center of Human-centered Interaction for Coexistence, Seongbuk-gu, Seoul, KR;
Inventors:
Sang In Park, Seoul, KR;
Dong Won Lee, Seongnam-si, KR;
Sungchul Mun, Seoul, KR;
Myoung Ju Won, Cheonan-si, KR;
Min Cheol Whang, Goyang-si, KR;
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); A61B 3/11 (2006.01); A61B 5/024 (2006.01); A61B 5/0402 (2006.01); A61B 3/14 (2006.01); A61B 3/00 (2006.01); A61B 5/16 (2006.01);
U.S. Cl.
CPC ...
A61B 3/112 (2013.01); A61B 3/0025 (2013.01); A61B 3/145 (2013.01); A61B 5/024 (2013.01); A61B 5/02444 (2013.01); A61B 5/0402 (2013.01); A61B 5/163 (2017.08);
Abstract
Provided are a method and system for detecting time-domain cardiac information, the method comprising: obtaining moving images of a pupil from a subject; extracting a pupil size variation (PSV) from the moving images; calculating R-peak to R-peak intervals (RRIs) in a predetermined frequency range from the PSV; and obtaining at least one time-domain cardiac parameter by processing the RRIs.