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Method and apparatus for repeating illumination information on a daisy chain bus structure

  • US 8,791,646 B2
  • Filed: 03/12/2009
  • Issued: 07/29/2014
  • Est. Priority Date: 03/13/2008
  • Status: Active Grant
First Claim
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1. A data communication method for transmitting a data packet comprising data bytes in a daisy chained bus structure of a LED illumination system, the LED illumination system comprising at least one group of nodes, the at least one group comprising a plurality of nodes including a last node, the method comprising:

  • the plurality of nodes of the at least one group, except the last node of the group, retransmitting the data packet without removing any data bytes from the incoming data packet; and

    the last node in the group removing the first byte of the data packet before retransmission, wherein each of the nodes in the group uses said first byte for its settings.

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