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Biological signal transmission apparatus

  • US 7,089,048 B2
  • Filed: 04/02/2002
  • Issued: 08/08/2006
  • Est. Priority Date: 12/25/1997
  • Status: Expired due to Term
First Claim
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1. A method of detecting an ECG wave of a subject, comprising:

  • providing only one electrode group consisting of two electrodes;

    positioning the two electrodes within 2.5 cm of an area defined between a xiphoid process and a navel perpendicular to a midsternal line of the subject; and

    detecting the ECG wave from signals from the two electrodes according to a standard limb lead method.

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