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Data download system and method

  • US 8,204,189 B2
  • Filed: 08/01/2007
  • Issued: 06/19/2012
  • Est. Priority Date: 08/11/2006
  • Status: Active Grant
First Claim
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1. An appliance having a diagnostic capability, said appliance comprising:

  • a tone generator,a controller,a data collection function and memory for storing collected data, anda transmitter for transmitting a stream of data derived from said stored data, using a carrier having a transmission frequency, wherein said transmission includes;

    switching the carrier on and off according to bits in the stream of data derived from said stored data, andinterleaving each bit for transmission with an off period of the carrier.

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