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Method and apparatus for detecting artifacts using common-mode signals in differential signal detectors

  • US 5,902,249 A
  • Filed: 11/22/1996
  • Issued: 05/11/1999
  • Est. Priority Date: 03/03/1995
  • Status: Expired due to Term
First Claim
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1. In an apparatus that detects input signals in an environment where said input signals comprise differential mode signals that potentially co-exist with common mode signals, a method for analyzing the input signal and determining whether the input signal can be used to accurately diagnose the differential mode signal;

  • the steps of said method comprising;

    (A) input a signal into the apparatus;

    (B) separate the input signal into intermediate signals based on known functions of differential mode signals and common mode signals; and

    (C) determine whether to analyze the intermediate signal based on known function of differential mode signal data according to the amount of artifact signal present.

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