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Method and apparatus for inexpensively monitoring and controlling remotely distributed appliances

  • US 8,407,333 B2
  • Filed: 02/13/2012
  • Issued: 03/26/2013
  • Est. Priority Date: 11/18/2002
  • Status: Expired due to Term
First Claim
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1. A cluster communications module, comprising:

  • a core module;

    a local area network (LAN) communication device coupled to the core module; and

    a wide area network (WAN) communication device coupled to the core module;

    wherein the core module transmits and receives data through the LAN communication device via a first communications protocol and transmits and receives data through the WAN communications protocol.

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