Patents by Inventor Ulrich Seif

Ulrich Seif 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: 7315177
    Abstract: A mixed signal integrated circuit with self test capability in which a portion of the digital circuitry, during substantially mutually exclusive time intervals, controls self test functions within the analog circuitry and performs digital signal processing functions in conjunction with the remaining portion of the digital circuitry.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: January 1, 2008
    Assignee: National Semiconductor Corporation
    Inventor: Ulrich Seif