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.

Date of Patent:
Apr. 21, 2025

Filed:

Nov. 22, 2018
Applicant:

Nokia Technologies Oy, Espoo, FI;

Inventors:

Antti Salo, Lohja, FI;

Kim Blomqvist, Espoo, FI;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2005.12); A61B 5/053 (2020.12); A61B 5/308 (2020.12);
U.S. Cl.
CPC ...
A61B 5/308 (2020.12); A61B 5/053 (2012.12); A61B 5/6891 (2012.12); A61B 5/721 (2012.12); A61B 2560/0468 (2012.12); A61B 2562/0214 (2012.12);
Abstract

An apparatus comprising: a first displacement current sensor comprising a first sensing electrode and a first guard electrode, wherein the first displacement current sensor is configured to measure a first sensed signal dependent upon electrical activity of a subjects heart; a second displacement current sensor comprising a second sensing electrode and a second guard electrode, wherein the second displacement current sensor is configured to measure a second sensed signal dependent upon electrical activity of a subjects heart; and circuitry configured to process at least the first sensed signal to compensate for artefacts arising from motion of the subject.


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