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Computer-aided drug-abuse detection

  • US 4,715,386 A
  • Filed: 03/14/1986
  • Issued: 12/29/1987
  • Est. Priority Date: 03/14/1986
  • Status: Expired due to Term
First Claim
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1. Apparatus for the non-invasive determination whether or not a subject has ingested a particular suspected single drug, said apparatus comprising:

  • (a) plural electodes adapted for placement in the temple region of the subject'"'"'s head, and ENG means connected to said electrodes for producing an electronystagmograph waveform for the subject;

    (b) said ENG means including an amplifier and analog-to-digital converter means for converting said waveform into a digitally recorded waveform for digital processing;

    (c) a digital computer with digital-storage means, wherein said storage means contains digitally stored reference data uniquely characterizing each of a plurality of waveform-component features for said single drug; and

    (d) means coacting with said computer for comparing the subject'"'"'s digitally recorded waveform for possible correlation with the digitally stored reference data for each of said component features.

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