Patents by Inventor Daniel Shamah

Daniel Shamah has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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