Patents by Inventor Jeffery Grundvig

Jeffery Grundvig 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).

  • Systems and methods for detecting a reference pattern
    Patent number: 8456775
    Abstract: Various embodiments of the present invention provide systems and methods for locating a reference pattern on a storage medium. For example, various embodiments of the present invention provide systems for locating a reference pattern on a storage medium. Such systems include a sliding window phase calculator circuit, a delay circuit and a mark detector circuit.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: June 4, 2013
    Assignee: LSI Corporation
    Inventors: Jeffery Grundvig, Viswanath Annampedu, Jason Byrne, Keith Bloss