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:
Jul. 23, 2024
Filed:
May. 29, 2023
Applicant:
Pixart Imaging Inc., Hsin-Chu County, TW;
Inventor:
Ming-Chang Li, Hsin-Chu County, TW;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/08 (2006.01); A61B 5/00 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0816 (2013.01); A61B 5/0077 (2013.01); A61B 5/721 (2013.01); A61B 2562/0219 (2013.01);
Abstract
A respiration rate detection device including a photoplethysmography (PPG) detector, an acceleration detector and a processing unit is provided. The processing unit calculates an acceleration peak frequency in an acceleration frequency spectrum, and takes a PPG acceleration peak frequency in a PPG frequency spectrum corresponding to the acceleration peak frequency as a respiration rate.