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Radio communication system

  • US 4,507,646 A
  • Filed: 07/21/1983
  • Issued: 03/26/1985
  • Est. Priority Date: 11/16/1981
  • Status: Expired due to Fees
First Claim
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1. A paging system for a structure having a common AC power network comprising:

  • a transmitting unit including;

    an oscillator for providing a radio frequency carrier wave;

    a modulator for applying an information signal to said carrier wave;

    a power amplifier for amplifying the signal modulated carrier wave;

    a power supply for providing operating current to said transmitting unit from said AC power network;

    connect/disconnect means for coupling said power amplifier output signal and said power supply means to said AC power network whereby said network radiates said coupled output signal through said structure; and

    at least one receiving unit having an antenna and demodulating circuit for receiving and demodulating said radiated signal.

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