Patents by Inventor Charles Thiesfeld

Charles Thiesfeld 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).

  • Method and apparatus for securing communications ports in an electronic device
    Publication number: 20070033454
    Abstract: An apparatus comprises at least one port for coupling signals to the apparatus, a mode selector for setting the apparatus to a normal mode or a debug mode, and a port control for controlling access to secure information in the apparatus through the port in accordance with the selected mode. A method for controlling access to the port is also provided.
    Type: Application
    Filed: July 15, 2005
    Publication date: February 8, 2007
    Applicant: Seagate Technology LLC
    Inventors: Robert Moss, Monty Forehand, Donald Matthews, Laszlo Hars, Donald Beaver, Charles Thiesfeld, Jon Trantham, William Goodwill
  • Apparatus and method for generating a secret key
    Publication number: 20060133607
    Abstract: An apparatus comprises a circuit for generating a secret root key having bits representative of threshold voltages, and an error correction module for correcting errors in bits of the secret root key to produce a corrected secret root key. A method of generating a secret root key and a data storage system that includes a secret root key are also described.
    Type: Application
    Filed: December 22, 2004
    Publication date: June 22, 2006
    Applicant: Seagate Technology LLC
    Inventors: Monty Forehand, Jon Trantham, Laszlo Hars, Charles Thiesfeld