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:
Jan. 08, 2019

Filed:

Aug. 28, 2015
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Nobuaki Matsuura, Tokyo, JP;

Kei Kuwabara, Tokyo, JP;

Kazuhiko Takagahara, Tokyo, JP;

Ryusuke Kawano, Tokyo, JP;

Hiroshi Koizumi, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/0245 (2006.01); A61B 5/00 (2006.01); A61B 5/0456 (2006.01); A61B 5/024 (2006.01); A61B 5/117 (2016.01);
U.S. Cl.
CPC ...
A61B 5/0245 (2013.01); A61B 5/02405 (2013.01); A61B 5/0456 (2013.01); A61B 5/117 (2013.01); A61B 5/7235 (2013.01); A61B 5/7278 (2013.01);
Abstract

A heartbeat detection device includes a difference value calculation unit () for calculating, from a sampling data sequence of an electrocardiographic waveform of a living body, one of an amount of change and a degree of change of sampling data for each sampling time, a multiplication unit () for calculating, for each sampling time, a product by multiplying one of an amount of change and a degree of change of the sampling data at a time K by one of the sampling data at the time K and sampling data at a time before the time K by a predetermined time t, a peak detection unit () for detecting a peak of the product, and a heartbeat time determination unit () for setting time of the peak of the product as a heartbeat time.


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