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Apparatus for modulating and demodulating multiple channel FSK in power line communication system

  • US 20030007570A1
  • Filed: 01/23/2002
  • Published: 01/09/2003
  • Est. Priority Date: 05/16/2001
  • Status: Abandoned Application
First Claim
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1. In a power line communication system having a digital/analog conversion unit for converting digital signal into analog signal and transmitting it through a power line, a multiple channel frequency shift keying (FSK) modulating apparatus in the power line communication system comprising:

  • a plurality of modulation units for modulating transmission data of the multiple channel into predetermined frequencies; and

    a mixing unit for mixing signals of the multiple channel modulated by the modulation units and outputting the resultant signal to a digital/analog conversion unit.

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