Patents by Inventor Claudio S. Mariotta

Claudio S. Mariotta 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).

  • Double balanced modulator-demodulator
    Patent number: 3986146
    Abstract: A double balanced modulator-demodulator which includes an input transformer with a secondary winding including two sections and an output transformer including a primary section connected in parallel with said secondary winding and an output winding coupled to the primary winding. Two pairs of transistors are employed to alternately short one section of the input transformer responsive to a carrier signal to alternately connect the other section to the primary winding to provide a modulated or demodulated output signal.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: October 12, 1976
    Assignee: Farinon Electric
    Inventors: Mehr Ali Parkhideh, Claudio S. Mariotta