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Optical sensor for utility meter

  • US 20020039068A1
  • Filed: 06/29/2001
  • Published: 04/04/2002
  • Est. Priority Date: 10/16/1999
  • Status: Active Grant
First Claim
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1. An interface module, comprising:

  • a) a transmitter adapted to emit radiation toward a face of a meter measuring a quantity of delivered product;

    b) a receiver adapted to detect radiation reflected from said meter; and

    c) a circuit converting the intensity of said detected radiation into an output signal indicative of the quantity of delivered product.

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