Patents by Inventor Marco Ferro

Marco Ferro 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).

  • Fully-differential reference voltage source
    Patent number: 4926138
    Abstract: The source is apt to generate a fully-differential reference voltage at the output terminals, whereto precisely-balanced loads are applied. The voltage reference is obtained from a bandgap voltage source fed with currents proportional to the temperature, in order to minimize thermal voltage variations. Suitable circuits for starting the normal source operation after switching on are also provided.
    Type: Grant
    Filed: July 5, 1989
    Date of Patent: May 15, 1990
    Assignee: SGS-Thomson Microelectronics S.p.A.
    Inventors: Rinaldo Castello, Marco Ferro, Franco Salerno, Lucano Tomasini