Patents by Inventor Wolfgang Ruck

Wolfgang Ruck 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 CMOS Circuit
    Publication number: 20080272831
    Abstract: A charge pump CMOS circuit comprises a differential input stage with two parallel circuit branches. Each of the parallel circuit branches has a diode-connected MOS transistor connected in series with a complementary input MOS transistor. There is a common tail current source for both circuit branches. The diode-connected MOS transistors each have their gate/drain node connected to corresponding current sources. The charge pump CMOS circuit is suitable for use in an oscillator.
    Type: Application
    Filed: April 2, 2008
    Publication date: November 6, 2008
    Inventors: Bernhard Wolfgang Ruck, Johannes Gerber