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Method and apparatus for remotely accessing meter status information in a meter reading system

  • US 5,684,472 A
  • Filed: 05/08/1996
  • Issued: 11/04/1997
  • Est. Priority Date: 05/08/1996
  • Status: Expired due to Term
First Claim
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1. A communication system for reading information, comprising:

  • a transmitting device for transmitting messages at a first data rate and messages at a second data rate;

    externally powered receiving devices for receiving at least the messages transmitted at the first data rate; and

    battery powered receiving devices for receiving only the messages transmitted at the second data rate.

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