Abstract
A monitoring apparatus comprising a multichannel pressure sensing sensor for measuring a ballistocardiographic signal of a human body is disclosed. The monitoring apparatus also comprises means for selecting a time window for heart inter beat interval including two consecutive heart beats to be estimated, defining a spectrum for the ballistocardiographic signal averaging between at least two measurement channels of the multichannel pressure sensing sensor, a cepstrum from the logarithm of a spectrum, and a heart inter beat interval. The invention relates to a method for defining a heart inter beat interval, where a ballistocardiographic signal of a body is measured with a multichannel pressure sensing sensor, a time window for heart inter beat interval Including two consecutive heart beats to be estimated is selected, a spectrum for the ballistocardiographic signal averaging between at least two measurement channels of the multichannel pressure sensing sensor, a cepstrum from the logarithm of a spectrum, and a heart inter beat interval are defined.
Patent family as of 27.9.2021
US2010249628 AA 20100930 US20090544630 20090820
US8262582 BB 20120911 US20090544630 20090820
Link to current patent family on right
| Original language | English |
|---|---|
| Patent number | US2010249628 |
| IPC | A61B 5/ 02 A I |
| Priority date | 20/08/09 |
| Publication status | Published - 30 Sept 2010 |
| MoE publication type | H1 Granted patent |
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