Patents by Inventor Peter T. Weyandt

Peter T. Weyandt 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).

  • Test simulation of a read/write head
    Patent number: 6483298
    Abstract: A test simulation circuit includes a simulated read/write head with a magnet shield and a magnetoresistive sensor exposed at a lapped surface. The test simulation circuit also includes first and second electrical test path connected respectively to the magnet shield and the magnetoresistive sensor. The second electrical test path is electrically isolated from the first electrical test path.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: November 19, 2002
    Assignee: Seagate Technology LLC
    Inventors: Kevin R. Heim, Clifton H. Chang, Peter T. Weyandt, Patrick J. Ryan
  • Test simulation of a read/write head
    Publication number: 20010052773
    Abstract: A test simulation circuit includes a simulated read/write head with a magnet shield and a magnetoresistive sensor exposed at a lapped surface. The test simulation circuit also includes first and second electrical test path connected respectively to the magnet shield and the magnetoresistive sensor. The second electrical test path is electrically isolated from the first electrical test path.
    Type: Application
    Filed: June 1, 2001
    Publication date: December 20, 2001
    Inventors: Kevin R. Heim, Clifton H. Chang, Peter T. Weyandt, Patrick J. Ryan