Patents by Inventor Stig Lennart Svensson

Stig Lennart Svensson 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).

  • Microwave oscillator having negative resistance diode inductively and capacitively mounted in waveguide cavity
    Patent number: 4021755
    Abstract: A microwave oscillator comprises a wave-guide having a closed end with a semiconductor diode having a negative differential resistance for the frequency used placed in the wave-guide spaced from the closed end and electrically connected to two elements protruding inwardly from opposite walls of the wave-guide, with one of the elements being electrically isolated from the wall and having an unsymmetrical, rotatable body. The wave-guide may be conical if desired.
    Type: Grant
    Filed: September 5, 1975
    Date of Patent: May 3, 1977
    Assignee: Incentive AB
    Inventor: Stig Lennart Svensson