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Non-linear logic module for increasing complexity of bit sequences

  • US 4,325,129 A
  • Filed: 05/01/1980
  • Issued: 04/13/1982
  • Est. Priority Date: 05/01/1980
  • Status: Expired due to Term
First Claim
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1. A non-linear digital generator circuit for producing controllably complex bit sequences comprising in combination:

  • a plurality of shift registers each being of predetermined bit length, each of said plurality of shift registers comprising;

    a first segmented portion being controllable as to a bit delay length between an input thereto and an output thereof; and

    a second segmented portion having a fixed bit length for implementing a predetermined span between an input thereto and an output thereof, said input being derived from said output of said first segmented portion;

    means for controlling said bit length of each of said plurality of first segmented portions of said plurality of shift registers;

    a plurality of means for combining said inputs and outputs of each of said second segmented portions, each of said combining means having an output thereof; and

    means for modulo-two adding said outputs of said plurality of said combining means.

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