Patents by Inventor Thomas Keith Johnson

Thomas Keith 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: 6265993
    Abstract: A furlable keyboard apparatus includes a generally cylindrical housing and a flexible keyboard mounted to the housing such that the keyboard is furlable around the housing when the keyboard apparatus is not in use. The keyboard has keyboard indicia formed thereon providing a plurality of visual key representations arranged in a plurality of generally horizontal key rows and partially diagonal key columns. A plurality of keystroke signal generators underly the keyboard indicia and are arranged in one-to-one correspondence with the key representions forming the key columns and key rows. The keystroke signal generators are responsive to finger pressure and are interconnected by logical ORing to form key groups providing key group signals whenever a keystroke signal generator underlying one of the key groups is pressed or released. An imaging device is mounted on the housing and is positionable over the keyboard.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: July 24, 2001
    Assignee: Lucent Technologies, Inc.
    Inventor: Thomas Keith Johnson