Pulsimeter, control method for pulsimeter, wristwatch...

Details Pulsimeter, control method for pulsimeter, wristwatch... Pulsimeter, control method for pulsimeter, wristwatch...

2006-12-05

2006-12-05

Nasser, Robert L. (Department: 3735)

Surgery

Diagnostic testing

Cardiovascular

C600S500000

Reexamination Certificate

active

07144375

ABSTRACT:
A frequency analyzer carries out a frequency analysis on a pulse wave signal output from a pulse wave detector. A candidate extractor extracts candidate spectrum peaks from a frequency analysis result of the frequency analyzer. A phase variation calculator calculates variations in phase angle of each of the extracted candidate spectrum peaks, and a spectrum peak selector selects a target spectrum peak from among the extracted candidate spectrum peaks based on their respective variations in phase angle. A pulse rate is calculated using the target spectrum peak.

REFERENCES:
patent: 6491647 (2002-12-01), Bridger et al.
patent: 6529754 (2003-03-01), Kondo
patent: 2816944 (1998-08-01), None

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