Monitoring system for an internal combustion engine

  • US 6,542,074 B1
  • Filed: 08/30/2000
  • Issued: 04/01/2003
  • Est. Priority Date: 08/30/2000
  • Status: Expired due to Fees
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First Claim
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1. A monitoring system for monitoring an internal combustion engine, comprising:

  • a power source, including an ignition winding;

    a magnet that magnetically interacts with the ignition winding so that the ignition winding generates an ignition signal having both positive and negative portions;

    a conditioner that conditions the ignition signal to generate a substantially DC conditioned signal;

    a counter circuit powered by the conditioned signal that outputs an indication signal; and

    a visual or audible indicator that provides an indication to the user upon receiving the indication signal.

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