Apparatus and method for electrical system measurements including battery condition, resistance of wires and connections, total electrical system quality and current flow

  • US 5,721,688 A
  • Filed: 09/06/1996
  • Issued: 02/24/1998
  • Est. Priority Date: 09/06/1996
  • Status: Expired due to Fees
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First Claim
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1. A method of measuring electrical characteristics of an electrical energy delivery system, including:

  • providing a voltage sensitive circuit and a controllable current source or sink;

    controlling said one of a controllable current source and a controllable current sink with a microcomputer in order to apply at least one predetermined current pattern to or sink at least one predetermined current pattern from at least a portion of an energy delivery system;

    responding with said voltage sensitive circuit to a voltage developed in response to the current pattern being applied or sunk; and

    calculating a value of at least one electrical characteristic of said energy delivery system as a function of said responding.

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