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:
May. 21, 2019

Filed:

Jun. 24, 2014
Applicant:

Panasonic Corporation, Osaka, JP;

Inventors:

Koji Morikawa, Kyoto, JP;

Jun Ozawa, Nara, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); A61B 5/0205 (2006.01); A61B 5/0456 (2006.01); A61B 5/08 (2006.01); A61B 5/04 (2006.01); A61B 5/0408 (2006.01); A61B 5/0468 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0205 (2013.01); A61B 5/0456 (2013.01); A61B 5/0826 (2013.01); A61B 5/0408 (2013.01); A61B 5/04012 (2013.01); A61B 5/0468 (2013.01); A61B 5/0809 (2013.01); A61B 5/4818 (2013.01); A61B 5/6804 (2013.01);
Abstract

A biosignal measurement apparatus includes: a potential difference measurement unit that measures a potential difference between a plurality of electrodes of an electrode unit placed on a user's chest; an ECG analysis unit that obtains an electrocardiogram (ECG) indicating a temporal variation of a cardiac potential of the user, from the potential difference measured by the potential difference measurement unit; an impedance measurement switching unit that determines a start timing of a first period which is a period not including an R wave, using the ECG obtained by the ECG analysis unit; an impedance measurement unit that measures an impedance between the plurality of electrodes in the first period; and a respiratory calculation unit that calculates respiratory information related to respiration of the user, based on a temporal variation of the impedance measured by the impedance measurement unit.


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