Patents Assigned to Wavetek Rockland Inc.
  • Spectrum analyzer with frequency band selection
    Patent number: 4321680
    Abstract: A spectrum analyzer for FFT analyzing and displaying the frequency spectrum of a digital signal over a given frequency band (background), as well as over a more limited frequency band (foreground). The spectrum of the signal over each frequency band is calculated and displayed so as to appear on a screen as a simultaneous display. The position of the limited frequency band as well as the width thereof, may be varied.
    Type: Grant
    Filed: April 22, 1980
    Date of Patent: March 23, 1982
    Assignee: Wavetek Rockland Inc.
    Inventors: John Bertrand, Joseph H. Flink, Daniel Shamah, Rodger H. Hosking