Patents by Inventor Karen Martita Freeman

Karen Martita Freeman 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).

  • Audiovisual telecommunication method and apparatus using a digital network
    Patent number: 6075553
    Abstract: A videoconferencing network of audiovisual communication terminals is interconnected by a telephone network. Each terminal is activated only when the balance in a user account has been read and the account has been made available for debiting. The terminal includes a monitor system for playing out and receiving voice and picture information, an interface system for conditioning signals passing between the monitor system and the telephone network, and a database which contains the locations and telephone numbers of other terminals of the videoconferencing network. The terminal firer includes a display of information from the database, a pointing device by means of which a user can make a selection from the display by indicating the relevant position in the display, and a device for automatically dialing up the selected remote terminal.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: June 13, 2000
    Assignees: Lucent Technologies Inc., AT&T Corp.
    Inventors: Karen Martita Freeman, Herman Joseph Pieters, Jack Andrew Pitman, II
  • Audiovisual telecommunication method and apparatus using a digital network
    Patent number: 5841469
    Abstract: A videoconferencing network of audiovisual communication terminals is interconnected by a telephone network. Each terminal is activated only when the balance in a user account has been read and the account has been made available for debiting. The terminal includes a monitor system for playing out and receiving voice and picture information, an interface system for conditioning signals passing between the monitor system and the telephone network, and a database which contains the locations and telephone numbers of other terminals of the videoconferencing network. The terminal further includes a display of information from the database, a pointing device by means of which a user can make a selection from the display by indicating the relevant position in the display, and a device for automatically dialing up the selected remote terminal.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: November 24, 1998
    Assignees: Lucent Technologies Inc., Herman J. Pieters
    Inventors: Karen Martita Freeman, Herman Joseph Pieters, Jack Andrew Pitman II