Patents Assigned to Adret Electronic
  • Quaternary frequency synthesizer
    Patent number: 4008443
    Abstract: A frequency synthesizer operating in the quaternary system of numeration and comprising a plurality of "quaternade" units, each including a frequency inserting element with a mixer which receives respective frequencies equal to 63 A, 64 A, 65 A and 66 A, A being a predetermined frequency. The said frequencies are generated from a common standard frequency through dividing the standard frequency by variable ratios generating harmonics of the resulting frequencies and filtering.
    Type: Grant
    Filed: November 14, 1975
    Date of Patent: February 15, 1977
    Assignee: Adret Electronic
    Inventor: Joel Remy