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Distributorless ignition adapter for diagnostic oscilloscopes

  • US 6,825,648 B2
  • Filed: 09/17/2002
  • Issued: 11/30/2004
  • Est. Priority Date: 09/17/2001
  • Status: Expired due to Fees
First Claim
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1. A distributorless ignition adapter for diagnostic oscilloscopes, comprising:

  • an interface box;

    an oscilloscope connection cord having a first end connected to the interface box and a second end terminating in an oscilloscope plug;

    several inductive pick ups connected to the interface box, whereby passage of electrical current through ignition coils is sensed and data relating to properties of the electrical current is transmitted to an oscilloscope via the interface box and the oscilloscope connection cord;

    the number of inductive pick ups corresponding in one to one relation with the number of ignition coils for a particular model of engine having a coil on plug ignition system; and

    each of the several inductive pick ups is sufficiently flexible to wrap around an ignition coil.

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