Patents by Inventor Bertrand Harold Johnson

Bertrand Harold Johnson 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: 5914705
    Abstract: An apparatus for providing detent-like tactile feedback to a user, comprising a shell, a rolling member rotatably provided within the shell, a motion sensing mechanism for determining displacement of the rolling member when the rolling member is rotated, at least one actuator situated within the shell and at least one brake member provided with respect to the at least one actuator, the at least one actuator retracting and extending the at least one brake member to selectively influence the rotation of the rolling member based on feedback from the embodying system.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: June 22, 1999
    Assignee: Lucent Technologies Inc.
    Inventors: Bertrand Harold Johnson, George Knoedl, Jr.