MINIMIZING COMMON MODE INTERFERENCE IN A PHYSIOLOGICAL MEASUREMENT DEVICE

The present invention relates to a physiological measurement device (11). In order to reduce common mode interference and/or to improve characteristics of the digital input filters (11) of the measurement device (11) without compromising common mode rejection capabilities of the input filters, it is...

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Bibliographic Details
Main Author FRANCK, Christoph, Florian
Format Patent
LanguageEnglish
French
German
Published 16.08.2023
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:The present invention relates to a physiological measurement device (11). In order to reduce common mode interference and/or to improve characteristics of the digital input filters (11) of the measurement device (11) without compromising common mode rejection capabilities of the input filters, it is proposed to calculate by means of optimization a set of filter coefficients for at least one digital input filter (31) associated with a specific input channel of the measurement device (11) based on samples (ci) of multiple input signals (si) of the measurement device (11) corresponding to a test signal (TS) applied to multiple input channels of the measurement device (11) and on at least one definition vector (vj) describing a linear combination of samples (ci) of at least two input channels.
Bibliography:Application Number: EP20210782557