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Systems and methods for direct current system digital carried message conveyance

  • US 8,638,216 B2
  • Filed: 12/22/2010
  • Issued: 01/28/2014
  • Est. Priority Date: 09/17/2004
  • Status: Expired due to Fees
First Claim
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1. A method of transmitting a digital communication comprising:

  • powering an input module and a first output module with direct current (DC) electrical power provided on at least one DC system power line;

    receiving an input signal at the input module from an input source;

    transmitting a serial command code based on the input signal, the serial command code being transmitted from the input module over the at least one DC system power line to the first output module, the DC electrical power being present on the at least one DC system power line during this transmitting step;

    processing the serial command code at the first output module;

    activating a load line from the first output module to a first load as a result of the processing step.

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