Patents by Inventor Gunter Schwarzberger

Gunter Schwarzberger 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).

  • Method for detection of the presence of a load and drive circuit
    Patent number: 7812590
    Abstract: Methods and apparatuses for detection of a presence of a load. A method may include, for example, applying and subsequently removing a supply voltage across the pair of nodes, comparing an electrical potential at one of the pair of nodes at a time after the supply voltage is removed with a reference value, and generating a signal having a value that depends upon an outcome of the comparison.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: October 12, 2010
    Assignee: Infineon Technologies AG
    Inventors: Martin Kaltenegger, Gunter Schwarzberger, Heinrich Trebo, Peter Lang