Patents by Inventor Manfred Föhler

Manfred Föhler 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: 6476588
    Abstract: A voltage transformer includes a voltage input and a voltage output. A capacitor is disposed on the output side for providing an output voltage. A controllable switching element controls a current flowing through a coil. A control unit is connected on the output side to the switching element, for controlling switching times of the switching element. The control unit controls the switching times as a function of the input and output voltages. An associated operating method is also provided.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: November 5, 2002
    Assignee: Siemens Aktiengesellschaft
    Inventor: Manfred Föhler