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Device for reducing signal noise in a fetal ECG signal

  • US 6,658,284 B1
  • Filed: 04/26/2000
  • Issued: 12/02/2003
  • Est. Priority Date: 12/22/1998
  • Status: Expired due to Term
First Claim
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1. A method of reducing noise in a fetal ECG signal, said method comprising the steps of:

  • connecting electrodes to a fetus and maternal skin in a unipolar configuration; and

    feeding the signal detected by said electrodes through a first high pass filter, cut-off frequency of the first high pass filter being between 0.2 and 2.7 Hz.

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