Patents by Inventor David Respigo

David Respigo 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).

  • Ground fault detection circuit for use in high voltage motor drive applications
    Patent number: 8013612
    Abstract: An integrated ground fault detection circuit in accordance with an embodiment of the present application includes a shunt resistor provided on a positive rail of a DC bus, a high voltage pocket including a sensory circuit connected to the shunt resistor and operable to detect a fault condition indicating a short circuit and a transmitter section operable to continuously transmit a fault condition signal indicating the fault condition and a low voltage pocket including a receiver operable to receive the fault condition signal from the sensory circuit and a logic unit, connected to the receiver, and operable to provide a fault output signal indicating the presence of a fault condition based on the fault condition signal.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: September 6, 2011
    Assignee: International Rectifier Corporation
    Inventors: Sergio Morini, Marco Giandalia, David Respigo, Stefano Ruzza, Massimo Grasso