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Power tester for electrical outlets

  • US 7,259,567 B2
  • Filed: 11/17/2005
  • Issued: 08/21/2007
  • Est. Priority Date: 11/18/2004
  • Status: Expired due to Fees
First Claim
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1. An electrical power tester for evaluating the condition of an electrical outlet comprising:

  • a user-input member for activating the tester;

    an activation circuit operably coupled to the user-input member;

    an electrical measurement system for receiving and transmitting information from the electrical outlet;

    a microcontroller operably coupled to the activation circuit, wherein the microcontroller receives information from the electrical measurement system, interprets the information, and transmits corresponding results based on the information; and

    a plurality of indicators operably coupled to the microcontroller providing test results of the electrical outlet audibly and visually, wherein the ground integrity testing system comprises;

    a plurality of capacitors configured in an unbalanced bridge configuration;

    a plurality of optoisolators receiving electrical signals from the capacitors; and

    a plurality of phototransistors electrically coupled to the microcontroller for transmitting logic status values.

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