Patents by Inventor Dezso Forro

Dezso Forro 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).

  • DC/DC Stabilized voltage converter unit
    Patent number: 4309748
    Abstract: In a DC/DC stabilized voltage converting unit having a series circuit including an input filter, a converter stage having a control input and an output filter, the improvement comprising: a control stage having an output connected to the control input; a voltage regulating circuit receptive of an output of the output filter and having an output applied to the control stage; an anti-overvoltage and anti-overcurrent stage receptive of an output of the converter stage and having an output applied to the control stage; a voltage converter chain coupling circuit for effecting the linking of units in a chain; an internal monitoring and commutating circuit connected between the voltage regulating circuit and the control stage for surveying the outputs of the converter stage; a visually and electrically signalling alarm circuit receptive of the outputs of the output filter and having the outputs thereof applied to the chain coupling circuit; and wherein the chain coupling circuit includes a first input for linking to
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: January 5, 1982
    Assignee: BHG Hiradastechnikai Vallalat
    Inventors: Dezso Forro, Dezso Balogh, Laszlo Csaszar, Laszlo Tolgyesi, Endre Havalda