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Testing operation of electric energy meter optics system

  • US 5,113,130 A
  • Filed: 04/22/1991
  • Issued: 05/12/1992
  • Est. Priority Date: 04/05/1990
  • Status: Expired due to Fees
First Claim
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1. Apparatus for monitoring operation of a meter, the meter including signaling means and signal receiving means for providing an indication of a quantum of energy consumption, the signaling means comprising means for emitting a first light signal and the signal receiving means comprising means for detecting the presence of the first light signal, said apparatus comprising:

  • means for determining that said signal receiving means is receiving a light signal other than the first light signal from said signaling means; and

    means for generating an error signal in response to said determining.

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