Patents by Inventor Jan Grulich

Jan Grulich 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).

  • Charge pump circuit and method therefor
    Patent number: 7688052
    Abstract: In one embodiment, a charge pump circuit is used to keep a boost capacitor of a power supply system charged while the switch transistors are not switching such as when the power supply system is operating in a burst mode of operation.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: March 30, 2010
    Assignee: Semiconductor Components Industries, LLC
    Inventors: Antonin Rozsypal, Jan Grulich, Karel Ptacek
  • CHARGE PUMP CIRCUIT AND METHOD THEREFOR
    Publication number: 20080129372
    Abstract: In one embodiment, a charge pump circuit is used to keep a boost capacitor of a power supply system charged while the switch transistors are not switching such as when the power supply system is operating in a burst mode of operation.
    Type: Application
    Filed: December 5, 2006
    Publication date: June 5, 2008
    Inventors: Antonin Rozsypal, Jan Grulich, Karel Ptacek