A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
354/22, 326/13.1
A61B 5/02 (2006.01) A61B 5/0245 (2006.01) G06F 17/00 (2006.01)
Patent
CA 1252893
- 20 - Abstract of the Disclosure A system for determining the heart rate in response to an electrocardiogram (EKG) signal that has been filtered by performing an autoregressive analysis, low-pass filtered by performing a digital filtering function, and the rate determined by utilizing a digital peak detection technique. In a heart rate detection system, the EKG signal from an EKG instrument is first digitized and then the colored noise component is removed from the digitized EKG samples by performing a linear predictive coding filtering function on the EKG samples. After the colored noise has been filtered from the digitized EKG samples, a low pass filtering function is performed to remove high-frequency white noise by utilizing a digital finite impulse response filter. Finally, the heart rate is determined from the previously filtered EKG samples by a peak detection technique that performs a recursive algorithm to determine both the amplitude of the remaining peaks in the EKG samples and the period between these peaks.
508395
Prezas Dimitrios P.
Zimmerman Gustavus H. III
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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