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DATA DETECTOR WITH VOICE SIGNAL DISCRIMINATION

  • US 3,851,112 A
  • Filed: 04/26/1973
  • Issued: 11/26/1974
  • Est. Priority Date: 04/26/1973
  • Status: Expired due to Term
First Claim
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1. A data detector for use with a data receiver connected to a communication channel over which voice signals and tone signals are received, said data detector comprising:

  • first gating means connected to said data receiver operated in response to concurrent receipt of a plurality of signals in a first band of frequencies;

    second gating means connected to said data receiver operated in response to concurrent receipt of a plurality of signals in a second band of frequencies; and

    signal generating means connected to said first and to said second gating means, including an output circuit connection to said data receiver, operated in response to either said first or second gating means to generate an output signal to inhibit operation of said data receiver.

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