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Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (DBPSK)

  • US 6,567,474 B1
  • Filed: 03/02/1999
  • Issued: 05/20/2003
  • Est. Priority Date: 03/02/1999
  • Status: Expired due to Fees
First Claim
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1. A communication system for communicating signals and data, comprising:

  • (A) a differential modulator receiving an analog signal and producing a modulated signal, wherein said differential modulator further comprises;

    (1) a frame buffer receiving said analog signal and producing a clocked data stream;

    (2) a toggle block receiving said clocked data stream and producing an alternating signal based on said clocked data stream; and

    (3) a multiplier receiving said alternating signal and producing said modulated signal;

    (B) a transmitter receiving said modulated signal and transmitting a transmitted signal over a communication channel;

    (C) a receiver receiving said transmitted signal over said communication channel and producing an output signal; and

    (D) a demodulator receiving said output signal and producing a data output signal for use by a communication device.

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