Patents by Inventor Scott K. Brown

Scott K. Brown 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).

  • Managing access to streams hosted on duplicating switches
    Publication number: 20020161900
    Abstract: A source accessed by a terminal may be changed by enabling a terminal to access a stream of data units on a first duplicating switch, determining that the terminal should access the stream from a second duplicating switch, and transitioning the terminal to the second duplicating switch to access the stream.
    Type: Application
    Filed: April 30, 2002
    Publication date: October 31, 2002
    Inventors: Scott K. Brown, Thomas Pepper, David Biderman
  • Method and apparatus for changing the master key in a cryptographic system
    Patent number: 4972472
    Abstract: A method and apparatus for changing the key in a cryptographic system or device are disclosed. A memory contains three storage areas for pending, active, and retired keys. New keys are loaded into the pending storage area. The key is changed by shifting the pending key into the active storage area and shifting the active key into the retired area for use by applications which have not been made aware of the key change. When an application presents a retired key, use of the retired key is allowed and the new key is returned to the application.
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: November 20, 1990
    Assignee: Tandem Computers Incorporated
    Inventors: Scott K. Brown, Robert H. Hoem