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Electronic revenue meter with automatic service sensing

  • US 7,688,060 B2
  • Filed: 11/20/2007
  • Issued: 03/30/2010
  • Est. Priority Date: 03/26/1993
  • Status: Expired due to Fees
First Claim
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1. An apparatus for electronically measuring electrical energy, comprising:

  • at least one analog-to-digital converter connected to phases of an electrical service, said analog-to-digital converter configured to provide digital representations of said electrical service;

    memory, said memory storing electrical service digital representations relating to at least one type of electrical service; and

    a microprocessor interfaced with said at least one analog-to-digital converter and said memory, said microprocessor configured to determine the type of electrical service from said digital representations.

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