Patents by Inventor Raffaele Cannizzaro

Raffaele Cannizzaro 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).

  • Patent number: 7548127
    Abstract: A ring oscillator for generating an output signal, comprising a plurality of serially connected main elements for selectively delaying a signal input thereto, each of the plurality of main elements having two circuit paths, a first path including at least one time-delay element for delaying a signal input thereto and a second circuit path bypassing the first circuit path; and a multiplexor (MUX) having a first input coupled to the first circuit path including the at least one time-delay element and a second input coupled to the second circuit path, the MUX selecting the first or second inputs of a plurality of inputs and outputting an output signal.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: June 16, 2009
    Assignee: International Rectifier Corporation
    Inventors: Sergio Morini, Raffaele Cannizzaro
  • Publication number: 20070247240
    Abstract: A ring oscillator for generating an output signal, comprising a plurality of serially connected main elements for selectively delaying a signal input thereto, each of the plurality of main elements having two circuit paths, a first path including at least one time-delay element for delaying a signal input thereto and a second circuit path bypassing the first circuit path; and a multiplexor (MUX) having a first input coupled to the first circuit path including the at least one time-delay element and a second input coupled to the second circuit path, the MUX selecting the first or second inputs of a plurality of inputs and outputting an output signal.
    Type: Application
    Filed: April 9, 2007
    Publication date: October 25, 2007
    Inventors: Sergio Morini, Raffaele Cannizzaro