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Wireless isolation relay for remote metering

  • US 6,577,245 B2
  • Filed: 02/28/2001
  • Issued: 06/10/2003
  • Est. Priority Date: 02/28/2001
  • Status: Expired due to Fees
First Claim
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1. A wireless isolation relay system for communicating utility meter relay pulses from an electric meter to a recipient system such as an energy management system, said wireless isolation relay system comprising:

  • a meter unit disposed nearby or co-resident with a utility meter, said meter unit having at least one relay pulse channel input for receiving meter relay pulses via an electrical conductor from an electric meter, a counter for said relay pulse channel input, and a first radio adapted to transmit said meter relay pulse state and counter count; and

    a building unit disposed nearby or co-resident with a recipient system for meter relay pulses, said building unit having a second radio adapted to receive said transmitted meter relay pulse state and counter count, and a pulse generator for recreating meter relay pulses according to said received meter relay pulse state and count, said pulse generator having at least one output suitable for input to a recipient system.

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