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Supervisory and control system having dynamic significant change of values

  • US 4,602,343 A
  • Filed: 03/19/1982
  • Issued: 07/22/1986
  • Est. Priority Date: 03/19/1982
  • Status: Expired due to Term
First Claim
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1. A signal transmission system comprising:

  • transmitter means for selectively transmitting at predetermined time-slots a characterization value of a data signal responsive to a control stimulus;

    adjustment means for providing a discriminant signal representing band limits, the value of the discriminant signal varying responsive to previous time-slot transmissions of said characterization value of said data signal; and

    control means coupled to said transmitter means and said adjustment means, said control means comparing a current time-slot value of said characterization value of said data signal to the value of the previously transmitted characterization value of said data signal, including means for selectively outputting said control stimulus when the differential of the compared signals is greater than said discriminant signal.

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