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:
Mar. 31, 2026
Filed:
Oct. 12, 2022
Applicant:
Polar Electro Oy, Kempele, FI;
Inventor:
Elias Pekonen, Kempele, FI;
Assignee:
Polar Electro Oy, Kempele, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/024 (2006.01); A61B 5/026 (2006.01); A61B 5/1455 (2006.01); G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
A61B 5/02427 (2013.01); A61B 5/02438 (2013.01); A61B 5/024 (2013.01); A61B 5/02416 (2013.01); A61B 5/0261 (2013.01); A61B 5/1455 (2013.01); A61B 5/14552 (2013.01); G01N 21/00 (2013.01);
Abstract
An apparatus includes the following: a photoplethysmogram sensor head including a light emitter and a photo detector, wherein the photo detector is disposed in a diagonal orientation with respect to a light path from the light emitter to the light detector; and an opaque mask over the photo detector, wherein the mask covers at least partially that half of the photo detector that is at a greater distance from the light emitter and leaves a remaining half of the photo detector exposed.