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Method and apparatus for recording physiologic signals

  • US 5,529,073 A
  • Filed: 10/22/1993
  • Issued: 06/25/1996
  • Est. Priority Date: 05/21/1992
  • Status: Expired due to Term
First Claim
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1. A method for recording at least two physiologic signals originating from different sources, comprising the steps of:

  • sensing at least two physiologic signals;

    recording a trace of each said physiologic signal so sensed on a medium having a grid with predefined scaling;

    at least one of said physiologic signals being recorded on the grid relative to said predefined scaling;

    at least one of said physiologic signals being recorded on the grid with an offset relative to said predefined scaling;

    switching between a first mode wherein said physiologic signals are recorded relative to said predefined scaling, and a second mode wherein at least one of said physiological signals is recorded with an offset relative to the predefined scaling; and

    providing a detector for automatic detection of at least two physiologic signals being recorded on said grid and within the same range of the predefined scaling on said grid.

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