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Energy management device and architecture with multiple security levels

  • US 6,990,395 B2
  • Filed: 10/21/2003
  • Issued: 01/24/2006
  • Est. Priority Date: 12/30/1994
  • Status: Expired due to Fees
First Claim
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1. An energy management device for use in an energy management architecture for managing the flow of energy in an energy distribution system, said energy management architecture comprising a network, said energy management device comprising:

  • a sensor coupled with said energy distribution system and operative to measure an energy parameter from said energy distribution system;

    a processor coupled with said sensor and operative to generate power management data based on said measured energy parameter;

    a security module coupled with said processor and operative to encrypt said power management data wherein said encrypted power management data comprises first and second portions, said first portion associated with a first decryption key and said second portion associated with a second decryption key, such that said first portion is capable of being decrypted only with said first decryption key and said second portion is capable of being decrypted with said second decryption key; and

    a network interface coupled with said processor and said network and operative to facilitate communications of said encrypted power management data over said network.

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