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:
Dec. 30, 2025
Filed:
Jul. 30, 2019
Applicant:
Nokia Technologies Oy, Espoo, FI;
Inventors:
Pellervo Ruponen, Helsinki, FI;
Kim Blomqvist, Espoo, FI;
Assignee:
Nokia Technologies Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/1455 (2006.01); A61B 5/00 (2006.01);
U.S. Cl.
CPC ...
A61B 5/14552 (2013.01); A61B 5/681 (2013.01);
Abstract
An apparatus, such as a photoplethysmographic sensor, including a light source configured to illuminate a target, wherein the apparatus is configured to receive incident light reflected from or transmitted through the target. The apparatus includes also a reflective element configured to direct at least part of the received incident light to a focus point, and a photodetector configured to receive light from the focus point.