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Apparatus and method for electrocardiogram data compression

  • US 5,263,486 A
  • Filed: 04/28/1992
  • Issued: 11/23/1993
  • Est. Priority Date: 11/01/1991
  • Status: Expired due to Term
First Claim
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1. Apparatus for providing a digital representation of an electrocardiac (ECG) signal, said apparatus comprising:

  • means for detecting a predetermined portion of said ECG signal;

    means for sampling a ECG signal to generate a plurality of digital samples which correspond proportionally to the amplitude of said ECG signal and are separated from one another by sampling intervals, said sampling intervals being adjustable; and

    means responsive to said detecting means for adjusting the sampling intervals, based upon time differences between said predetermined portion and respective portions of said ECG signal being sampled, whereby the digital samples include samples generated at more than one interval.

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