Patents by Inventor Martin Leifhelm

Martin Leifhelm 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).

  • Bandgap reference circuit and method for adjusting
    Patent number: 6812684
    Abstract: The invention relates to a method for adjusting a BGR circuit. In a first adjustment step, an offset adjustment of a voltage differential amplifier is performed at a predetermined temperature. In a second adjustment step, the reference voltage generated by the BGR circuit is regulated to as predetermined value of the reference voltage at the predetermined temperature by setting a variable resistance of an external circuitry of the voltage differential amplifier.
    Type: Grant
    Filed: May 22, 2003
    Date of Patent: November 2, 2004
    Assignee: Infineon Technologies AG
    Inventors: Martin Leifhelm, Markus Müllauer