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Apparatus for detecting alcohol content of liquid

  • US 5,337,017 A
  • Filed: 07/26/1993
  • Issued: 08/09/1994
  • Est. Priority Date: 08/11/1992
  • Status: Expired due to Term
First Claim
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1. An apparatus for detecting an alcohol content of a liquid, comprising:

  • dielectric constant detecting means including a resonance circuit whose resonance frequency changes in accordance with dielectric constant of a liquid containing alcohol;

    resonance frequency detecting means for outputting a frequency signal having a same frequency as the resonance frequency of said resonance circuit of said dielectric constant detecting means;

    frequency divider means for dividing the output frequency of said resonance frequency detecting means to thereby output a signal indicative of said dielectric constant on the basis of which said alcohol content can be determined; and

    frequency division ratio adjusting means for adjusting a frequency division ratio of said frequency divider means.

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