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Toxic gas detector with a time measurement sensor

  • US 5,682,145 A
  • Filed: 06/30/1995
  • Issued: 10/28/1997
  • Est. Priority Date: 06/30/1995
  • Status: Expired due to Fees
First Claim
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1. A gas detector comprising the elements of:

  • a. a gas sensor;

    b. a capacitor;

    c. a transformer;

    d. a gated time measuring device; and

    e. a permanent memory chip;

    all of which are interconnected by means of and are integral with a circuit board wherein the gated time measuring device measures a time for the capacitor to charge, which time measurement value is an indicator of the presence of a gas.

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