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Remote meter reading system

  • US 5,959,550 A
  • Filed: 10/15/1996
  • Issued: 09/28/1999
  • Est. Priority Date: 01/08/1996
  • Status: Expired due to Fees
First Claim
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1. A remote meter reading system, comprising:

  • means for collecting data from meters;

    means for providing a carrier signal;

    means for frequency modulating the carrier signal with the data to produce a first signal;

    a phase modulator for receiving the first signal and producing an output signal in which the carrier signal frequency is suppressed; and

    a transmitter for transmitting the output signal to a receiver.

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