Patents by Inventor Bruce M. Rozenblit

Bruce M. Rozenblit 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).

  • Transformerless output vacuum tube audio amplifier
    Patent number: 5604461
    Abstract: An audio amplifier including a series connected vacuum tube output stage for driving an audio loudspeaker. The preferred amplifier uses the output signal as a floating reference for an intermediate stage to prevent output stage degeneration for producing balanced push-pull drive signals, thereby eliminating the need for an output transformer or AC coupling.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: February 18, 1997
    Inventor: Bruce M. Rozenblit